性狀:白色結(jié)晶粉末,易吸潮。20℃,1g溶于10ml水。熔點(diǎn)>300℃。紫外線吸光度A(5%/1cm, 250nm,水中)<0.05。
儲(chǔ)存方式:密封陰涼干燥保存
用途:Good’s緩沖液之一,緩沖范圍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
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≤0.0005%
|
Appearance
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White crystalline powder
|