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agency
USP/NF
reag. ISO
reag. Ph. Eur.
等級
puriss. p.a.
化驗
99.5-100.5%
形狀
crystalline powder
雜質
acidic or alkalic reac. substances, complies
≤0.0005% heavy metals (as Pb)
≤0.001% total nitrogen (N)
≤0.003% free acid (as HCl)
≤0.003% free alkali (as KOH)
≤0.005% water insolubles
損耗
≤0.2% loss on drying, 130 °C
pH值
5-8 (20 °C, 5%)
mp
770 °C (lit.)
密度
1.98 g/mL at 25 °C (lit.)
負離子痕跡
bromide (Br-): ≤100 mg/kg
iodide (I-): ≤20 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg
正離子痕跡
Al: ≤1 mg/kg
Ba: ≤10 mg/kg
Ca: ≤10 mg/kg
Fe: ≤2 mg/kg
Mg: ≤5 mg/kg
Na: ≤200 mg/kg
適合性
corresponds for appearance of solution
SMILES 字串
[Cl-].[K+]
InChI
1S/ClH.K/h1H;/q;+1/p-1
InChI 密鑰
WCUXLLCKKVVCTQ-UHFFFAOYSA-M
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應用
可用于磷酸盐缓冲液制备，以及蛋白提取和溶解。
包裝
本品也提供玻璃瓶包装。
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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H Fukada et al.
Proteins, 33(2), 159-166 (1998-10-21)
Enthalpy and heat capacity changes for the deprotonation of 18 buffers were calorimetrically determined in 0.1 M potassium chloride at temperatures ranging from 5 to 45 degrees C. The values of the dissociation constant were also determined by means of
The use of potassium chloride and tris (hydroxymethyl) aminomethane as standard substances for solution calorimetry.
Rychly R and Pekarek V.
The Journal of Chemical Thermodynamics, 9(4), 391-396 (1977)
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