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酶底物等色原
此反应首先由Trinder于1969年提出,故名Trinder反应。其原理为被测物质通过酶作用产生的过氧化氢(H2O2)在4-氨基替比林(4-AAP)、过氧化物酶(POD)的存在下,使色原物质可生成红色醌亚胺化合物。起初使用苯酚作生色剂,后来有许多种化合物替代苯酚,使反应的灵敏度得以显著提高。Trinder反应构成了葡萄糖、胆固醇、甘油三脂及尿酸等酶法测定的基础。[查看]
http://cxbio.com/Article/434_1.html
ES、人类iPS细胞冷冻保存产品Y-27632
本产品是具有选择性的强力ROCK(Rho-associated coiled-coil forming kinase/Rho结合酶)抑制剂。通过收缩ROCK信号传导系统的血管平滑肌,抑制癌细胞的浸润和控制细胞分化。2007年笹井等人对人类ES细胞培养时,做了许多因分散而抑制细胞死亡的报告。 近年发现,本产品的人类ES细胞、人类iPS细胞冷冻保存液在冷冻保存后解冻,向培养基中添加10μmol/L,会大幅改善克隆形成率。同时,冷冻保存的ES细胞解冻后,同样用含本产品的培养基进行培养,也可以得到不错的形成率。[查看]
http://cxbio.com/Article/432_1.html
链酶亲和素|strepavidin|SA
链霉亲和素 (Streptavidin,简称SA),是链霉菌在培养过程中分泌的一种蛋白质产物。是一种稍偏酸性的蛋白质,其pI为5.5,并且不带糖基。生物素-亲和素系统,通过一分子亲和素和四分子生物素之间特异结合实现信号放大,在生物学特别是免疫检测中有越来越广泛的用途。[查看]
http://cxbio.com/Article/428_1.html
车内、室内、大气中小分子醛酮的检测
空气中的醛酮类物质是人们常关注的一类污染物。目前,色谱法尤其是液相色谱HPLC法由于分离效果好,是主要分析方法。灵敏且专属性好的分析方法是:在酸性溶液中,醛酮类物质与涂渍于硅胶上的2,4-二硝基苯肼(DNPH)反应,生成DNPH衍生产物苯腙,用专用洗脱液洗涤后HPLC进行分离。Seebio推出一系列基于上述原理的DNPH吸附柱和HPLC分离柱及相应的洗脱液。[查看]
http://cxbio.com/Article/425_1.html
稀土金属粉、锭详细列表
产品牌号 化学成分      %Chemical compositions Codes 稀土 总量 金属镧粉 相对纯度 杂质含量  &n...[查看]
http://cxbio.com/Article/422_1.html
稀土元素(Rare Earth Element)
稀土金属元素 常见17种稀土金属列表 稀土金属粉、锭 稀土金属粉、锭化学成分 稀土氧化物 稀土氟化物[查看]
http://cxbio.com/Article/421_1.html
稀土氧化物、氟化物
稀土氧化物 No. 分子式 英文品名 中文品名 CASN 外观、性质 用途 1 La2O3 Lanthanum[查看]
http://cxbio.com/Article/420_1.html
LUDOX 硅溶胶
硅溶胶是纳米级二氧化硅微粒在水中均匀扩散形成的胶体溶液,由于胶体粒子细微(10-20nm),有相当大的比表面积,粒子本身无色透明,不影响被覆盖物的颜色;粘度较低;当硅溶胶中水分蒸发时,胶体粒子牢固地附着在物体表面,粒子间形成硅氧结合;既可形成具有比表面积大及均匀细孔的凝胶,又可均匀分散粉料,增加悬浮体的稳定性;通过Si—OH基和吸附水可提高润湿性和防止带电的性能;通过均匀混合微粒,可使有机树脂进行机械、光学及电性能方面的改性增强;能进行均相反应,以硅溶胶代替二氧化硅作原料进行反应,可提高反应速度。[查看]
http://cxbio.com/Article/419_1.html
药物代谢和药物相互作用体外研究试剂
Product Summary   1) CYPxxxR Bactosomes (human) 人细胞色素cytochrome P450&nbs...[查看]
http://cxbio.com/Article/417_1.html
稳定同位素试剂,氘、氧十八
中文名称 英文名称 氘代度(%) 包装(盒) 描述 苯-d6 Benzen-D6 99.6 min 10×0.5ml  99.6% ato[查看]
http://cxbio.com/Article/416_1.html
核酸提取试剂盒
Favorgen核酸提取试剂盒和EB去除试剂畅销欧洲,上海西宝生物总代理,欢迎来电来信咨询。 部分产品列举如下:       FavorPrep? Plasmid DNA Extraction Mini Kit   质粒DNA小量提取试剂盒       Pla[查看]
http://cxbio.com/Article/415_1.html
引发剂系列
引发剂,英文为initiator,又称自由基引发剂,指一类容易受热分解成自由基(即初级自由基)的化合物,可用于引发烯类、双烯类单体的自由基聚合和共聚合反应,也可用于不饱和聚酯的交联固化和高分子。[查看]
http://cxbio.com/Article/414_1.html
高效液相色谱法(HPLC)测定黄曲霉素
GB 5009.24-2010,NY/T 1664-2008,SN/T 1664-2005,GB/T 8381-2008,SN 0637-1997 HPLC法具有灵敏度和准确度高、方法重现性好等优点,现已成为黄曲霉毒素分析的主要手段。HPLC法测定黄曲霉毒素,一般使用灵敏度和选择性较好的荧光检测器。但由于黄曲霉毒素的荧光强度会受溶剂影响,正相色谱中,B1和B2的荧光强度仅稍低一点,不需衍生化;而在常用的反相色谱中,B1和G1两种异构体荧光强度很弱,需进行衍生化,提高其荧光强度,灵敏度才能满足一般食品法规的限量[查看]
http://cxbio.com/Article/409_1.html
含氟中间体
     由于氟原子半径小,又具有较大的电负性,它所形成的C-F键键能要比C-H键键能要大的多,明显地增加了有机氟化合物的稳定性和生理活性。含氟精细化学品包括含氟医药、含氟农药、含氟染料及其中间体、氟碳表面活性剂、其他含氟精细品等多个门类。含氟有机化合物具有较高的脂溶性和疏水性,促进其在生物体内吸收与传递速度,使生理作用发生变化,所以很多含氟医药和农药在性能上相对具有用量少、毒性低、效果好、代谢能力强等特点,这使它在新医药农药品种中所占比例越来越高。[查看]
http://cxbio.com/Article/406_1.html
木薯淀粉
     木薯淀粉,是木薯经过淀粉提取后脱水干燥而成的粉末。木薯淀粉有原淀粉和各种变性淀粉两大类,广泛应用于食品工业及非食品工业。 一、产品信息      产品编号:152046      中文名称:木薯淀粉               &n[查看]
http://cxbio.com/Article/404_1.html
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Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 0.75 mg/L C NIST Sucrose
Calibration Standard 0.75 mg/L C NIST Sucrose
Calibration Standard 0.75 mg/L C NIST Sucrose
Calibration Standard 0.75 mg/L C NIST Sucrose
Validation Kit for TOC contains a blank and 2 x 100mg/l C NIST KHP. 125mL Bottles
Validation Kit for TOC contains a blank and 2 x 100mg/l C NIST KHP. 125mL Bottles
Validation Kit for TOC contains a blank and 2 x 10mg/l C NIST KHP. 125mL Bottles
Validation Kit for TOC contains a blank and 2 x 10mg/l C NIST KHP. 125mL Bottles
Validation Kit for Wet Chemistry TOC contains 3 x blanks, 2 x 0.5mg/L C NIST KHP,1mg/L NIST KHP.
Validation Kit for Wet Chemistry TOC contains 3 x blanks, 2 x 0.5mg/L C NIST KHP,1mg/L NIST KHP.
Calibration Kit;2 x blank,2 x 0.1 mg/L,2 x 0.25 mg/L, 2 x 0.5 mg/L,0.75 mg/L,1 mg/L C NIST KHP
Calibration Kit;2 x blank,2 x 0.1 mg/L,2 x 0.25 mg/L, 2 x 0.5 mg/L,0.75 mg/L,1 mg/L C NIST KHP
Calibration Standard 0.75 mg/L C NIST Sucrose
Calibration Standard 0.75 mg/L C NIST Sucrose
Calibration Standard 0.75 mg/L C NIST Sucrose
Calibration Standard 0.75 mg/L C NIST Sucrose
Calibration Standard 0.25 mg/L C NIST Sucrose
Calibration Standard 0.25 mg/L C NIST Sucrose
Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 1.25 mg/L C NIST Sucrose
Calibration Standard 1.25 mg/L C NIST Sucrose
Calibration Standard 1.25 mg/L C NIST Sucrose
Calibration Standard 1.25 mg/L C NIST Sucrose
Calibration Standard 0.1 mg/L C NIST KHP
Calibration Standard 0.1 mg/L C NIST KHP
Calibration Standard 0.25 mg/L C NIST KHP
Calibration Standard 0.25 mg/L C NIST KHP
Calibration Standard 0.25 mg/L C NIST KHP
Calibration Standard 0.25 mg/L C NIST KHP
Calibration Standard 0.25 mg/L C NIST KHP
Calibration Standard 0.25 mg/L C NIST KHP
Calibration Standard 0.25 mg/L C NIST KHP
Calibration Standard 0.25 mg/L C NIST KHP
Calibration Standard 0.5 mg/L C NIST KHP
Calibration Standard 0.5 mg/L C NIST KHP
Calibration Standard 0.5 mg/L C NIST KHP
Calibration Standard 0.5 mg/L C NIST KHP
Calibration Standard 0.5 mg/L C NIST KHP
Calibration Standard 0.5 mg/L C NIST KHP
Calibration Standard 0.5 mg/L C NIST KHP
Calibration Standard 0.5 mg/L C NIST KHP
Calibration Standard 0.5 mg/L C NIST KHP
Calibration Standard 0.5 mg/L C NIST KHP
Calibration Standard 0.75 mg/L C NIST KHP
Calibration Standard 0.75 mg/L C NIST KHP
Calibration Standard 1mg/L NIST KHP
Calibration Standard 1mg/L NIST KHP
Calibration Standard 1mg/L NIST KHP
Calibration Standard 1mg/L NIST KHP
Calibration Standard 1mg/L NIST KHP
Calibration Standard 1mg/L NIST KHP
Calibration Standard 1mg/L NIST KHP
Calibration Standard 1mg/L NIST KHP
Calibration Standard 1mg/L NIST KHP
Calibration Standard 1mg/L NIST KHP
Calibration Standard 5mg/L NIST KHP
Calibration Standard 5mg/L NIST KHP
Calibration Standard 5mg/L NIST KHP
Calibration Standard 5mg/L NIST KHP
Calibration Standard 10mg/L NIST KHP
Calibration Standard 10mg/L NIST KHP
Calibration Standard 10mg/L NIST KHP
Calibration Standard 10mg/L NIST KHP
Calibration Standard 25mg/L NIST KHP
Calibration Standard 25mg/L NIST KHP
Calibration Standard 25mg/L NIST KHP
Calibration Standard 25mg/L NIST KHP
Calibration Standard 50 mg/L C NIST KHP
Calibration Standard 50 mg/L C NIST KHP
Calibration Standard 50 mg/L C NIST KHP
Calibration Standard 50 mg/L C NIST KHP
Calibration Standard 1000 mg/L C NIST Sucrose
Calibration Standard 1000 mg/L C NIST Sucrose
System Suitability USP Set;2 x H2O,0.5 mg/L C Sucrose,0.5 mg/L C,C6H4O2,0.25 mg/L C NIST Sucrose
System Suitability USP Set;2 x H2O,0.5 mg/L C Sucrose,0.5 mg/L C,C6H4O2,0.25 mg/L C NIST Sucrose
Calibration Standard 0.25 mg/L C NIST Sucrose
Calibration Standard 0.25 mg/L C NIST Sucrose
Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 0.5 mg/L C NIST Sucrose
Calibration Standard 0.75 mg/L C NIST Sucrose
Calibration Standard 0.75 mg/L C NIST Sucrose
Validation Set;2 x Blanks,0.25,0.5,0.75 mg/L C NIST Sucrose.
Validation Set;2 x Blanks,0.25,0.5,0.75 mg/L C NIST Sucrose.
Calibration Kit;Blank, 0.25 mg/L C NIST Sucrose,0.5 mg/L C NIST Sucrose,0.75 mg/L C NIST Sucrose.
Calibration Kit;Blank, 0.25 mg/L C NIST Sucrose,0.5 mg/L C NIST Sucrose,0.75 mg/L C NIST Sucrose.
Validation Kit, 2 x Blanks and 0.5 mg/L C NIST Sucrose. 60ml Bottles
Validation Kit, 2 x Blanks and 0.5 mg/L C NIST Sucrose. 60ml Bottles
Validation Kit, Blank and 0.5 mg/L C NIST Sucrose. 60ml Bottles
Validation Kit, Blank and 0.5 mg/L C NIST Sucrose. 60ml Bottles
Validation Kit, 2 x Blanks and 0.5 mg/L C NIST Sucrose. 60ml Bottles
Validation Kit, 2 x Blanks and 0.5 mg/L C NIST Sucrose. 60ml Bottles
TIC Standard 0.5mg/L as Na2CO3
TIC Standard 0.5mg/L as Na2CO3
TIC Standard 1.0mg/L as Na2CO3
TIC Standard 1.0mg/L as Na2CO3
TIC Standard 1.5mg/L as Na2CO3
TIC Standard 1.5mg/L as Na2CO3
TIC Standard 2mg/L as Na2CO3
TIC Standard 2mg/L as Na2CO3
TIC Standard 5mg/L as Na2CO3
TIC Standard 5mg/L as Na2CO3
TIC Standard 10mg/L as Na2CO3
TIC Standard 10mg/L as Na2CO3
TIC Standard 25mg/L as Na2CO3
TIC Standard 25mg/L as Na2CO3
TIC Standard 50mg/L as Na2CO3
TIC Standard 50mg/L as Na2CO3
TIC Standard 4mg/L as Na2CO3
TIC Standard 4mg/L as Na2CO3
TOC Standard 50mg/L C as Nicotinamide
TOC Standard 50mg/L C as Nicotinamide
TOC Standard 0.5mg/L C as Nicotinamide
TOC Standard 0.5mg/L C as Nicotinamide
Nitrate Nitrogen Standard Solution [NO3- (as N):1,000ppm]
Nitrate Nitrogen Standard Solution [NO3- (as N):1,000ppm]
Nitrite NaNO2 H2O 1000mg/L
Nitrite NaNO2 H2O 1000mg/L
Multi Element Standard in H2O / Tr HNO3 Na 200ppm K 10ppm Mg 2ppm
Multi Element Standard in H2O / Tr HNO3 Na 200ppm K 10ppm Mg 2ppm
Fine Silicon Nitride Powder for Fine Ceramics (Direct Nitridation) I
Fine Silicon Nitride Powder for Fine Ceramics (Direct Nitridation) I
Polystyrene Latex Nanoparticle, 120 nm
Polystyrene Latex Nanoparticle, 120 nm
Fine Silicon Nitride Powder for Fine Ceramics (Direct Nitridation)II
Fine Silicon Nitride Powder for Fine Ceramics (Direct Nitridation)II
Poly(ethylene glycol) Nonylphenyl Ether
Poly(ethylene glycol) Nonylphenyl Ether
High Nickel Alloy for EPMA
High Nickel Alloy for EPMA
Reference Thin Film for Heat Diffusion Time Across a Thickness(Titanium Nitride Thinfilm/Synthetic Quartz Substrate)
Reference Thin Film for Heat Diffusion Time Across a Thickness(Titanium Nitride Thinfilm/Synthetic Quartz Substrate)
Fine Silicon Nitride Powder for Fine Ceramics (Liquid InterfaClal Reaction)
Fine Silicon Nitride Powder for Fine Ceramics (Liquid InterfaClal Reaction)
Fe- Ni alloy Reference Material Set (Ni 5%, 10%, 20%, 40%, 60% )
Fe- Ni alloy Reference Material Set (Ni 5%, 10%, 20%, 40%, 60% )
O-(3,5,5-Trimethyl-l-hexyl) ninhydrin
O-(3,5,5-Trimethyl-l-hexyl) ninhydrin
O-(3,5,5-Trimethyl-l-hexyl) ninhydrin
O-(3,5,5-Trimethyl-l-hexyl) ninhydrin
O-(3,5,5-Trimethyl-l-hexyl) ninhydrin
O-(3,5,5-Trimethyl-l-hexyl) ninhydrin
Curcumin, Natural
Curcumin, Natural
Silver N, N-diethyldithiocarbamate
Silver N, N-diethyldithiocarbamate
Silver N, N-diethyldithiocarbamate
Silver N, N-diethyldithiocarbamate
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution Nitrite
CSK Standard Solution Nitrite
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution nitrate (contains 3.05% NaCl)
CSK Standard Solution nitrate (contains 3.05% NaCl)
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
CSK Standard Solution Nitrite
CSK Standard Solution Nitrite
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
CSK Standard Solution Nitrite
CSK Standard Solution Nitrite
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution nitrate (contains 3.05% NaCl)
CSK Standard Solution nitrate (contains 3.05% NaCl)
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution nitrate (contains 3.05% NaCl)
CSK Standard Solution nitrate (contains 3.05% NaCl)
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
CSK Standard Solution Nitrite
CSK Standard Solution Nitrite
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution Silicate (contains 3.05% NaCl)
CSK Standard Solution nitrate (contains 3.05% NaCl)
CSK Standard Solution nitrate (contains 3.05% NaCl)
CSK Standard Solution nitrate (contains 3.05% NaCl)
CSK Standard Solution nitrate (contains 3.05% NaCl)
N, N-Dimethylaceatamide
N, N-Dimethylaceatamide
N, N-Dimethylaceatamide
N, N-Dimethylaceatamide
N. N-Dimethylformamide
N. N-Dimethylformamide
N. N-Dimethylformamide
N. N-Dimethylformamide
Silver Nitrate, AgNO, 0.25M
Silver Nitrate, AgNO, 0.25M
Mercuric Nitrate 0.00705M
Mercuric Nitrate 0.00705M
rac N-亚硝基降烟碱 (NNN) D4
rac N-亚硝基降烟碱 (NNN) D4
8.5% v/v Ethanol/Water - nominal density 0.9883g/ml
8.5% v/v Ethanol/Water - nominal density 0.9883g/ml
10% v/v Ethanol/Water - nominal density 0.9865g/ml
10% v/v Ethanol/Water - nominal density 0.9865g/ml
11% v/v Ethanol/Water - nominal density 0.9853g/ml
11% v/v Ethanol/Water - nominal density 0.9853g/ml
12% v/v Ethanol/Water - nominal density 0.9891g/ml
12% v/v Ethanol/Water - nominal density 0.9891g/ml
13.5% v/v Ethanol/Water - nominal density 0.9824g/ml
13.5% v/v Ethanol/Water - nominal density 0.9824g/ml
14% v/v Ethanol/Water - nominal density 0.9868g/ml
14% v/v Ethanol/Water - nominal density 0.9868g/ml
16% v/v Ethanol/Water - nominal density 0.9795g/ml
16% v/v Ethanol/Water - nominal density 0.9795g/ml
20% v/v Ethanol/Water - nominal density 0.9753g/ml
20% v/v Ethanol/Water - nominal density 0.9753g/ml
Fehlings Solution No. 1
Fehlings Solution No. 1
Fehlings Solution No. 2
Fehlings Solution No. 2
Iodine N/64, 0.03125M
Iodine N/64, 0.03125M
Electrode Filling Solution Double junction bridge sol; 10% w/v Potassium Nitrate
Electrode Filling Solution Double junction bridge sol; 10% w/v Potassium Nitrate
Sodium Hydroxide, NaOH, 2% w/v
Sodium Hydroxide, NaOH, 2% w/v
酸性橙6 NaCl ( 工业级)
酸性橙6 NaCl ( 工业级)
CSK栎准溶液硝酸盐(含3.05%NaCl, N:40.00ug atom/L)
CSK栎准溶液硝酸盐(含3.05%NaCl, N:40.00ug atom/L)
CSK标准溶液硝酸盐(含3.05%NaCl, N:0.00ug atom/L)
CSK标准溶液硝酸盐(含3.05%NaCl, N:0.00ug atom/L)
CSK标准溶液硝酸盐(含3.05%NaCl, N:10.00ug atom/L)
CSK标准溶液硝酸盐(含3.05%NaCl, N:10.00ug atom/L)
浊度标准液Non Ratio 0.0 NTU
浊度标准液Non Ratio 0.0 NTU
浊度标准液Non Ratio 0.0 NTU
浊度标准液Non Ratio 0.0 NTU
浊度标准液Non Ratio 0.1 NTU
浊度标准液Non Ratio 0.1 NTU
浊度标准液Non Ratio 0.1 NTU
浊度标准液Non Ratio 0.1 NTU
浊度标准液Non Ratio 0.2 NTU
浊度标准液Non Ratio 0.2 NTU
浊度标准液Non Ratio 0.2 NTU
浊度标准液Non Ratio 0.2 NTU
浊度标准液Non Ratio 0.5 NTU
浊度标准液Non Ratio 0.5 NTU
浊度标准液Non Ratio 0.5 NTU
浊度标准液Non Ratio 0.5 NTU
浊度标准液Non Ratio 1000 NTU
浊度标准液Non Ratio 1000 NTU
浊度标准液Non Ratio 1000 NTU
浊度标准液Non Ratio 1000 NTU
浊度标准液Non Ratio 100 NTU
浊度标准液Non Ratio 100 NTU
浊度标准液Non Ratio 100 NTU
浊度标准液Non Ratio 100 NTU
浊度标准液Non Ratio 10 NTU
浊度标准液Non Ratio 10 NTU
浊度标准液Non Ratio 10 NTU
浊度标准液Non Ratio 10 NTU
浊度标准液Non Ratio 1 NTU
浊度标准液Non Ratio 1 NTU
浊度标准液Non Ratio 1 NTU
浊度标准液Non Ratio 1 NTU
浊度标准液Non Ratio 200 NTU
浊度标准液Non Ratio 200 NTU
浊度标准液Non Ratio 200 NTU
浊度标准液Non Ratio 200 NTU
浊度标准液Non Ratio 20 NTU
浊度标准液Non Ratio 20 NTU
浊度标准液Non Ratio 20 NTU
浊度标准液Non Ratio 20 NTU
浊度标准液Non Ratio 2 NTU
浊度标准液Non Ratio 2 NTU
浊度标准液Non Ratio 2 NTU
浊度标准液Non Ratio 2 NTU
浊度标准液Non Ratio 4000 NTU
浊度标准液Non Ratio 4000 NTU
浊度标准液Non Ratio 4000 NTU
浊度标准液Non Ratio 4000 NTU
浊度标准液Non Ratio 400 NTU
浊度标准液Non Ratio 400 NTU
浊度标准液Non Ratio 400 NTU
浊度标准液Non Ratio 400 NTU
浊度标准液Non Ratio 40 NTU
浊度标准液Non Ratio 40 NTU
浊度标准液Non Ratio 40 NTU
浊度标准液Non Ratio 40 NTU
浊度标准液Non Ratio 500 NTU
浊度标准液Non Ratio 500 NTU
浊度标准液Non Ratio 500 NTU
浊度标准液Non Ratio 500 NTU
浊度标准液Non Ratio 50 NTU
浊度标准液Non Ratio 50 NTU
浊度标准液Non Ratio 50 NTU
浊度标准液Non Ratio 50 NTU
浊度标准液Non Ratio 5 NTU
浊度标准液Non Ratio 5 NTU
浊度标准液Non Ratio 5 NTU
浊度标准液Non Ratio 5 NTU
浊度标准液Non Ratio 60 NTU
浊度标准液Non Ratio 60 NTU
浊度标准液Non Ratio 60 NTU
浊度标准液Non Ratio 60 NTU
浊度标准液Non Ratio 800 NTU
浊度标准液Non Ratio 800 NTU
浊度标准液Non Ratio 800 NTU
浊度标准液Non Ratio 800 NTU
浊度标准液Ratio 0.1 NTU
浊度标准液Ratio 0.1 NTU
浊度标准液Ratio 0.1 NTU
浊度标准液Ratio 0.1 NTU
浊度标准液Ratio 0.2 NTU
浊度标准液Ratio 0.2 NTU
浊度标准液Ratio 0.2 NTU
浊度标准液Ratio 0.2 NTU
浊度标准液Ratio 0.4 NTU
浊度标准液Ratio 0.4 NTU
浊度标准液Ratio 0.4 NTU
浊度标准液Ratio 0.4 NTU
浊度标准液Ratio 0.5 NTU
浊度标准液Ratio 0.5 NTU
浊度标准液Ratio 0.5 NTU
浊度标准液Ratio 0.5 NTU
浊度标准液Ratio 0.0 NTU
浊度标准液Ratio 0.0 NTU
浊度标准液Ratio 0.0 NTU
浊度标准液Ratio 0.0 NTU
浊度标准液Ratio 1000 NTU
浊度标准液Ratio 1000 NTU
浊度标准液Ratio 1000 NTU
浊度标准液Ratio 1000 NTU
浊度标准液Ratio 100 NTU
浊度标准液Ratio 100 NTU
浊度标准液Ratio 100 NTU
浊度标准液Ratio 100 NTU
浊度标准液Ratio 10 NTU
浊度标准液Ratio 10 NTU
浊度标准液Ratio 10 NTU
浊度标准液Ratio 10 NTU
浊度标准液Ratio 1 NTU
浊度标准液Ratio 1 NTU
浊度标准液Ratio 1 NTU
浊度标准液Ratio 1 NTU
浊度标准液Ratio 20 NTU
浊度标准液Ratio 20 NTU
浊度标准液Ratio 20 NTU
浊度标准液Ratio 20 NTU
浊度标准液Ratio 2 NTU
浊度标准液Ratio 2 NTU
浊度标准液Ratio 2 NTU
浊度标准液Ratio 2 NTU
浊度标准液Ratio 4000 NTU
浊度标准液Ratio 4000 NTU
浊度标准液Ratio 4000 NTU
浊度标准液Ratio 4000 NTU
浊度标准液Ratio 400 NTU
浊度标准液Ratio 400 NTU
浊度标准液Ratio 400 NTU
浊度标准液Ratio 400 NTU
浊度标准液Ratio 40 NTU
浊度标准液Ratio 40 NTU
浊度标准液Ratio 40 NTU
浊度标准液Ratio 40 NTU
浊度标准液Ratio 4 NTU
浊度标准液Ratio 4 NTU
浊度标准液Ratio 4 NTU
浊度标准液Ratio 4 NTU
浊度标准液Ratio 500 NTU
浊度标准液Ratio 500 NTU
浊度标准液Ratio 500 NTU
浊度标准液Ratio 500 NTU
浊度标准液Ratio 50 NTU
浊度标准液Ratio 50 NTU
浊度标准液Ratio 50 NTU
浊度标准液Ratio 50 NTU
浊度标准液Ratio 5 NTU
浊度标准液Ratio 5 NTU
浊度标准液Ratio 5 NTU
浊度标准液Ratio 5 NTU
浊度标准液Ratio 90 NTU
浊度标准液Ratio 90 NTU
浊度标准液Ratio 90 NTU
浊度标准液Ratio 90 NTU
Tergitol(R) NP-9 (NPE)
Tergitol(R) NP-9 (NPE)
黄瓜专用杀菌剂 N28
黄瓜专用杀菌剂 N28
Zwittergent 3-14,zwitterionic detergent, powder, N-Tetradecyl-N,N-dimethyl-3-ammonio-1-propane-sulfonate
Zwittergent 3-14,zwitterionic detergent, powder, N-Tetradecyl-N,N-dimethyl-3-ammonio-1-propane-sulfonate
湿润剂 NP-40,乙基苯基聚乙二醇
湿润剂 NP-40,乙基苯基聚乙二醇
Purine Nucleoside Phosphorylase
Purine Nucleoside Phosphorylase
N-乙基- N-(3-磺丙基)-3-甲氧基苯胺,钠盐,一水合物, CAS号 82611-88-9
N-乙基- N-(3-磺丙基)-3-甲氧基苯胺,钠盐,一水合物, CAS号 82611-88-9
铬黑T, Black T, CAS No. 1787-61-7
铬黑T, Black T, CAS No. 1787-61-7
Eriochrome Blue Black R,铬蓝黑R | CAS No. 2538-85-4
Eriochrome Blue Black R,铬蓝黑R | CAS No. 2538-85-4
曙红Y(醇溶) CAS No.:15086-94-9, Eosin Y alcohol solution
曙红Y(醇溶) CAS No.:15086-94-9, Eosin Y alcohol solution
镍试剂 丁二酮肟 | CAS No.: 95-45-4
镍试剂 丁二酮肟 | CAS No.: 95-45-4
砷试剂 ;二乙基二硫代氨基甲酸银 | CAS No.:1470-61-7
砷试剂 ;二乙基二硫代氨基甲酸银 | CAS No.:1470-61-7
铜试剂 ;二乙基二硫代氨基甲酸钠盐 | CAS No.: 20624-25-3
铜试剂 ;二乙基二硫代氨基甲酸钠盐 | CAS No.: 20624-25-3
抗 2019-nCov N蛋白鼠单克隆抗体(包被)
抗 2019-nCov N蛋白鼠单克隆抗体(包被)
抗 2019-nCov N蛋白鼠单克隆抗体(标记)
抗 2019-nCov N蛋白鼠单克隆抗体(标记)
重组2019-nCoV N蛋白(全长)
重组2019-nCoV N蛋白(全长)
2019-nCoV N蛋白抗体(包被、标记)
2019-nCoV N蛋白抗体(包被、标记)
Cholesterol Oxidase,from Nocardia erythropolis, lyophilizate
Cholesterol Oxidase,from Nocardia erythropolis, lyophilizate
Cholesterol Oxidase,from Nocardia erythropolis, solution
Cholesterol Oxidase,from Nocardia erythropolis, solution
Glucose Oxidase (GOD), Grade I,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), Grade I,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), Grade II,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), Grade II,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), chemically modified,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), chemically modified,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase Amano NA
Glucose Oxidase Amano NA
灭幼脲,10 ng/ul 于乙腈
灭幼脲,10 ng/ul 于乙腈
氧氯丹,100 ng/ul 于环己烷
氧氯丹,100 ng/ul 于环己烷
噻苯哒唑 NH D6
噻苯哒唑 NH D6
高效异丙甲草胺 NOA 413173
高效异丙甲草胺 NOA 413173
N,N-Dimethyldithiocarbamate nickel salt
N,N-Dimethyldithiocarbamate nickel salt
USP Solution Acetic Acid 2.00 Normal Conforms to USP 34
USP Solution Acetic Acid 2.00 Normal Conforms to USP 34
USP Solution Acetic Acid 2.00 Normal Conforms to USP 34
USP Solution Acetic Acid 2.00 Normal Conforms to USP 34
USP Solution Barium Nitrate TS Conforms to USP 34
USP Solution Barium Nitrate TS Conforms to USP 34
USP Solution Barium Nitrate TS Conforms to USP 34
USP Solution Barium Nitrate TS Conforms to USP 34
USP Solution Bromate-Bromide Solution 0.100 Normal Conforms to USP 34
USP Solution Bromate-Bromide Solution 0.100 Normal Conforms to USP 34
USP Solution Bromate-Bromide Solution 0.100 Normal Conforms to USP 34
USP Solution Bromate-Bromide Solution 0.100 Normal Conforms to USP 34
USP Solution Hydrochloric Acid 1.00 Normal Conforms to USP 34
USP Solution Hydrochloric Acid 1.00 Normal Conforms to USP 34
USP Solution Hydrochloric Acid 1.00 Normal Conforms to USP 34
USP Solution Hydrochloric Acid 1.00 Normal Conforms to USP 34
USP Solution Iodine (Iodine-Iodide) 0.100 Normal Conforms to USP 34
USP Solution Iodine (Iodine-Iodide) 0.100 Normal Conforms to USP 34
USP Solution Iodine (Iodine-Iodide) 0.100 Normal Conforms to USP 34
USP Solution Iodine (Iodine-Iodide) 0.100 Normal Conforms to USP 34
USP Solution Neutral Red TS Conforms to USP 34
USP Solution Neutral Red TS Conforms to USP 34
USP Solution Neutral Red TS Conforms to USP 34
USP Solution Neutral Red TS Conforms to USP 34
USP Solution Perchloric Acid 0.100 Normal Conforms to USP 34
USP Solution Perchloric Acid 0.100 Normal Conforms to USP 34
USP Solution Perchloric Acid 0.100 Normal Conforms to USP 34
USP Solution Perchloric Acid 0.100 Normal Conforms to USP 34
USP Solution Potassium Permanganate 0.100 Normal ) Conforms to USP 34
USP Solution Potassium Permanganate 0.100 Normal ) Conforms to USP 34
USP Solution Potassium Permanganate 0.100 Normal ) Conforms to USP 34
USP Solution Potassium Permanganate 0.100 Normal ) Conforms to USP 34
USP Solution Silver Nitrate 0.100 Normal Conforms to USP 34
USP Solution Silver Nitrate 0.100 Normal Conforms to USP 34
USP Solution Silver Nitrate 0.100 Normal Conforms to USP 36
USP Solution Silver Nitrate 0.100 Normal Conforms to USP 36
USP Solution Sodium Hydroxide 1.00 Normal Conforms to USP 34
USP Solution Sodium Hydroxide 1.00 Normal Conforms to USP 34
USP Solution Sodium Hydroxide 1.00 Normal Conforms to USP 34
USP Solution Sodium Hydroxide 1.00 Normal Conforms to USP 34
USP Solution Sodium Thiosulfate 0.100 Normal (N/10) Conforms to USP 34
USP Solution Sodium Thiosulfate 0.100 Normal (N/10) Conforms to USP 34
USP Solution Sodium Thiosulfate 0.100 Normal (N/10) Conforms to USP 34
USP Solution Sodium Thiosulfate 0.100 Normal (N/10) Conforms to USP 34
USP Solution Sulfuric Acid 1.00 Normal Conforms to USP 34
USP Solution Sulfuric Acid 1.00 Normal Conforms to USP 34
USP Solution Sulfuric Acid 1.00 Normal Conforms to USP 34
USP Solution Sulfuric Acid 1.00 Normal Conforms to USP 34
European Pharmacopoeia Reagent Lanthanum Nitrate Solution
European Pharmacopoeia Reagent Lanthanum Nitrate Solution
European Pharmacopoeia Reagent Naphtolbenzein Solution
European Pharmacopoeia Reagent Naphtolbenzein Solution
European Pharmacopoeia Reagent Nile blue A Solution
European Pharmacopoeia Reagent Nile blue A Solution
European Pharmacopoeia Reagent Ninhydrin Solution
European Pharmacopoeia Reagent Ninhydrin Solution
European Pharmacopoeia Reagent Ninhydrin Solution R1
European Pharmacopoeia Reagent Ninhydrin Solution R1
European Pharmacopoeia Reagent Ninhydrin Solution R2
European Pharmacopoeia Reagent Ninhydrin Solution R2
European Pharmacopoeia Reagent Nitric acid, dilute
European Pharmacopoeia Reagent Nitric acid, dilute
European Pharmacopoeia Reagent Silver Nitrate Solution R1
European Pharmacopoeia Reagent Silver Nitrate Solution R1
European Pharmacopoeia Reagent Silver Nitrate Solution R2
European Pharmacopoeia Reagent Silver Nitrate Solution R2
European Pharmacopoeia Reagent 0.1M Ammonium and cerium Nitrate
European Pharmacopoeia Reagent 0.1M Ammonium and cerium Nitrate
European Pharmacopoeia Reagent 0.01M Ammonium and cerium Nitrate
European Pharmacopoeia Reagent 0.01M Ammonium and cerium Nitrate
European Pharmacopoeia Reagent 0.1M Lead Nitrate
European Pharmacopoeia Reagent 0.1M Lead Nitrate
European Pharmacopoeia Reagent 0.02M Mercuric Nitrate
European Pharmacopoeia Reagent 0.02M Mercuric Nitrate
European Pharmacopoeia Reagent 0.1M Silver Nitrate
European Pharmacopoeia Reagent 0.1M Silver Nitrate
European Pharmacopoeia Reagent 0.1M Sodium nitrite
European Pharmacopoeia Reagent 0.1M Sodium nitrite
European Pharmacopoeia Reagent 0.001M Silver Nitrate
European Pharmacopoeia Reagent 0.001M Silver Nitrate
European Pharmacopoeia Reagent Concentrate to make Ammonium Standard sol (100ppm NH4)
European Pharmacopoeia Reagent Concentrate to make Ammonium Standard sol (100ppm NH4)
Concentrate to make Ammonium Standard Solution (1ppm NH4)
Concentrate to make Ammonium Standard Solution (1ppm NH4)
European Pharmacopoeia Reagent Concentrated to make Nickel Solution (10ppm Ni)
European Pharmacopoeia Reagent Concentrated to make Nickel Solution (10ppm Ni)
European Pharmacopoeia Reagent Concentrated to make Nitrate sol. (100ppm NO3)
European Pharmacopoeia Reagent Concentrated to make Nitrate sol. (100ppm NO3)
European Pharmacopoeia Reagent conc. to make Nitrate Standard Solution (2ppm NO3)
European Pharmacopoeia Reagent conc. to make Nitrate Standard Solution (2ppm NO3)
European Pharmacopoeia Reagent Concentrated to make Sodium Standard sol (200ppm Na)
European Pharmacopoeia Reagent Concentrated to make Sodium Standard sol (200ppm Na)
非饮用水-阴离子表面活性剂 (亚甲蓝活性物质,MBAs) 能力验证样品 NPW PT -MBAs
非饮用水-阴离子表面活性剂 (亚甲蓝活性物质,MBAs) 能力验证样品 NPW PT -MBAs
非饮用水-碱性和中性半挥发性有机物能力验证 样品 NPW PT -Base/Neutrals
非饮用水-碱性和中性半挥发性有机物能力验证 样品 NPW PT -Base/Neutrals
Wakopak Navi C18-5硅胶柱(235-60531)
Wakopak Navi C18-5硅胶柱(235-60531)
Wakopak Navi C18-5硅胶柱(231-60533)
Wakopak Navi C18-5硅胶柱(231-60533)