哌嗪-N,N’-双(2-乙磺酸),又称PIPES,CAS 5625-37-6|,西宝生物专业供应生物缓冲液,详情致电400-021-8158!
白色粉末。pH range 6.1 - 7.5 pKa (25 °C) 6.8 熔点:>300℃;
主要用途:生物缓冲剂,用在生化诊断试剂盒、DNA/RNA提取试剂盒及PCR诊断试剂盒里。
质量指标:
Item
|
Specifications
|
Assay(Titration)
|
≥99.0%
|
Solubility
|
Clear, colorless water solution
|
Heavy metals
|
≤5ppm
|
Water
|
≤0.5%
|
Residue on ignition
|
≤0.1%
|
pH
|
3.6~4.4
|
Ultraviolet absorbance
0.1M in 1M NaOH
|
≤0.05Abs unit (@260nm)
≤0.05Abs unit (@280nm)
|
Infrared absorbance
|
Confirm to reference
|
Appearance
|
White crystalline powder
|
Storage: Store at room(18~25℃) temperature.Protect from moisture.