Potassium phosphate dibasic-Hampton磷酸氢二钾

Potassium phosphate dibasic-Hampton磷酸氢二钾

Potassium phosphate dibasic-Hampton磷酸氢二钾

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Potassium phosphate dibasic

Applications

  • Crystallization grade Potassium phosphate dibasic for formulating screens or for optimization

Features

  • Sterile filtered solution
  • Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)

Description

Potassium phosphate dibasic

Synonyms: Dipotassium hydrogenphosphate or Dipotassium phosphate or sec.-Potassium phosphate or di-Potassium hydrogen phosphate anhydrous
K2HPO4
HK2O4P
Mr 174.18
CAS Number [7758-11-4]
EC Number 231-834-5
Merck 14,7658
MDL Number MFCD00011383
PubChem Substance ID 24881849
Purity ≥ 99.0%

pKa1 = 2.15 at 25°C
pka2 = 6.82 at 25°C
pka3 = 12.38 at 25°C

Measured pH Range: 9.5 – 9.8 at 25°C
Measured Conductivity Range: 126.9 – 154.8 mS/cm at 25°C
Measured Refractive Index Range: 1.40735 – 1.40877 at 20°C

Total Impurities: Insoluble matter passes filter test
Al  ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi  ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl  ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
Li  ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.5%
Ni  ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr  ≤0.0005%
Zn ≤0.0005%

磷酸氢二钾
应用
结晶级磷酸氢二钾,用于配制筛网或优化
特征
无菌过滤溶液
在 1+ 型超纯水中配制:25°C 时电阻率为 18.2 兆欧厘米,< 5 ppb 总有机碳,无细菌(<1 细菌(CFU/ml)),无热原(<0.03 内毒素(EU/ml)) , 无 RNase (< 0.01 ng/mL) 和无 DNase (< 4 pg/µL)
描述
磷酸氢二钾

同义词:磷酸氢二钾或磷酸二钾或磷酸二钾或无水磷酸氢二钾
K2HPO4
HK2O4P
174.18 先生
CAS 编号 [7758-11-4]
EC 编号 231-834-5
默克 14,7658
MDL 编号 MFCD00011383
PubChem 物质 ID 24881849
纯度≥ 99.0%

pKa1 = 2.15 在 25°C
pka2 = 6.82 在 25°C
pka3 = 12.38 在 25°C

测量的 pH 值范围:9.5 – 9.8 at 25°C
电导率测量范围:126.9 – 154.8 mS/cm at 25°C
测得的折射率范围:1.40735 – 1.40877 at 20°C

总杂质:不溶物通过过滤测试
铝≤0.0005%
≤0.00001%
钡≤0.0005%
铋≤0.0005%
钙≤0.001%
镉≤0.0005%
氯≤0.005%
钴≤0.0005%
铬≤0.0005%
铜≤0.0005%
铁≤0.0005%
锂≤0.0005%
镁≤0.0005%
锰 ≤0.0005%
钼≤0.0005%
钠≤0.5%
镍≤0.0005%
铅≤0.0005%
SO4 ≤0.005%
锶≤0.0005%
锌≤0.0005%

Potassium phosphate dibasicPotassium phosphate dibasic-Hampton磷酸氢二钾

CAT NO

HR2-635

NAME

4.0 M Potassium phosphate dibasic

DESCRIPTION

200 mL

PRICE

$93.00

cart quote

Support Material(s)

Potassium phosphate dibasic-Hampton磷酸氢二钾 HR2-635 Potassium phosphate dibasic SDS

Certificate Of Analysis

Related Item(S)

  • Sodium potassium phosphate (Quik Optimize)
  • Quik Screen

References

1. Preliminary crystallographic study of the Fab fragments of two monoclonal anti-2-phenyloxazolone antibodies. Mariuzza, RA; Boulot, G; Guillon, V; Poljak, RJ; Berek, C; Jarvis, JM; Milstein, C. J Biol Chem 260, 10268-10270, 1985.

2. New crystal form of the photosynthetic reaction centre from Rhodobacter sphaeroides of Improved diffraction quality. Buchanan, SK; Fritzsch, G; Ermler, U; Michel, H. J Mol Biol 230, 1311- 1314, 1993.