性状：白色结晶粉末，易吸潮。20℃，1g溶于10ml水。熔点＞300℃。紫外线吸光度A(5％/1cm, 250nm，水中）＜0.05。
储存方式：密封阴凉干燥保存
用途：Good’s缓冲液之一，缓冲范围pH 8.6～10.0。
|
Purity
|
≥99.0%
|
|
Infrared
|
Confirm to reference
|
|
pH suitable range
|
8.6~10.0
|
|
pKa
|
9.3
|
|
Chloride (Cl)
|
≤0.05%
|
|
Sulfate (SO4)
|
≤0.005%
|
|
Loss on drying
|
≤1.0%
|
|
Heavy Metals
|
≤0.0005%
|
|
Appearance
|
White crystalline powder
|