Hampton蛋白结晶试剂盒Citric acid Buffer

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Products > Optimize Reagents > Optimize – Buffers > Citric acid Buffer

Citric acid Buffer

应用

  • Crystallization grade Citric acid buffer for formulating screens or for optimization
  • 用于配制筛选或优化的结晶级柠檬酸缓冲液

特征

  • Sterile filtered
  • 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)
  • 无菌过滤
    在 1+ 型超纯水中配制:25°C 时电阻率为 18.2 兆欧厘米,总有机碳 < 5 ppb,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 Citric acid

Synonyms: Citric acid anhydrous
C6H8O7
HOC(COOH)(CH2COOH)2
Mr 192.13
CAS Number [77-92-9]
EC Number 201-069-1
Beilstein Registry Number 782061
Merck 14,2326
RTECS GE7350000
MDL Number MFCD00011669
PubChem Substance ID 24856611
Purity ≥ 99.5%
Useful pH range of citric acid as a buffer 2.2 – 6.5
pKa1 = 3.13
pKa2 = 4.76
pKa3 = 6.4

HR2-757 is titrated to pH 3.5 at 25 degrees Celsius using NaOH
Measured Conductivity Range: 28.7 – 33.3 mS/cm at 25°C
Measured Refractive Index Range: 1.36236 – 1.36329 at 20°C

别名: 无水柠檬酸
C6H8O7
HOC(COOH)(CH2COOH)2
192.13 先生
CAS 编号 [77-92-9]
欧盟编号 201-069-1
贝尔斯坦注册号 782061
默克 14,2326
RTECS GE7350000
MDL 编号 MFCD00011669
PubChem 物质 ID 24856611
纯度≥99.5%
柠檬酸作为缓冲液的有用 pH 值范围 2.2 – 6.5
pKa1 = 3.13
pKa2 = 4.76
pKa3 = 6.4

HR2-757 在 25 摄氏度下使用 NaOH 滴定至 pH 3.5
测得的电导率范围:25°C 时 28.7 – 33.3 mS/cm
测得的折射率范围:20°C 时为 1.36236 – 1.36329

Al  ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi  ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl  ≤0.0005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe  ≤0.0005%
K   ≤0.005%
Li   ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.005%
Ni  ≤0.0005%
Oxalate (C2O4) ≤0.05%
Pb ≤0.0005%
PO4 ≤0.0005%
SO4 ≤0.002%
Sr ≤0.0005%
Tartrate (C4H4O6) ≤0.2%
Zn ≤0.0005%

Citric acid

Citric acid Buffer
CAT NO

HR2-757

NAME

1.0 M Citric acid pH 3.5

DESCRIPTION

100 mL

PRICE

$44.00

相关项目

  • Sodium hydroxide
  • StockOptions Citric Acid Buffer Kit
  • Individual StockOptions Citric Acid Reagents
  • 氢氧化钠
    StockOptions 柠檬酸缓冲液套件
    个别股票期权柠檬酸试剂

参考

1. Crystallization and preliminary X-ray structure solution of Rhizomucor miehei aspartic proteinase. Jia, Z; Vandonselaar, M; Schneider, P; Quail, JW. Acta Crystallogr D 51, 243- 244, 1995.

1.米黑根毛霉天冬氨酸蛋白酶的结晶和初步X射线结构解。 贾,Z; 范登塞拉,M; 施耐德,P; 鹌鹑,JW。 晶体学学报 D 51, 243-244, 1995。