PX1405
氯化钾
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
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线性分子式:
KCl
化学文摘社编号:
分子量:
74.55
UNSPSC Code:
12352302
EC Index Number:
231-211-8
MDL number:
Assay:
99.0-100.5% (silver nitrate titration)
Grade:
ACS reagent
Form:
crystals
InChI
1S/ClH.K/h1H;/q;+1/p-1
SMILES string
[Cl-].[K+]
InChI key
WCUXLLCKKVVCTQ-UHFFFAOYSA-M
grade
ACS reagent
agency
meets USP/NF
assay
99.0-100.5% (silver nitrate titration)
form
crystals
impurities
≤0.005% Insoluble matter
color
white
pH
5.5-8.0 (25 °C, 50 g/L in H2O)
bp
1413 °C/1013 hPa
mp
770 °C (lit.)
density
1.98 g/mL at 25 °C (lit.)
anion traces
bromide (Br-): ≤0.01%, chlorate, nitrate (as NO3-): ≤0.003%, iodide (I-): ≤0.002%, phosphate (PO43-): ≤5 ppm, sulfate (SO42-): ≤0.001%
cation traces
Ba: ≤0.001%, passes test, Ca: ≤0.002%, Fe: ≤3 ppm, Mg: ≤0.001%, Na: ≤0.005%, heavy metals (as Pb): ≤5 ppm
shipped in
ambient
storage temp.
room temp
Quality Level
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Application
可用于磷酸盐缓冲液制备，以及蛋白提取和溶解。
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Analysis Note
Assay (argentometric)99.0-100.5%Barium (Ba)Passes test (Limit about 0.001%)Bromide (Br)0.01% maxCalcium (Ca)0.002% maxChlorate and nitrate (as NO3)0.003% maxColorWhiteFormCrystalsHeavy metals (as Pb)5ppm maxInsoluble matter0.005% maxIodide (I)0.002% maxIron (Fe)3ppm maxMagnesium (Mg)0.001% maxPhosphate (PO4)5ppm maxSodium (Na)0.005% maxSulfate (SO4)0.001% maxpH of a 5% solution at 25°C5.4-8.6
存储类别
13 - Non Combustible Solids
wgk
WGK 1
法规信息
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