Citric acid Buffer蛋白结晶试剂盒Hampton Research

Hampton Research蛋白结晶试剂盒

Citric acid Buffer
Citric acid Buffer

Citric acid Buffer

Citric acid Buffer

Citric acid Buffer

Citric acid Buffer

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

Citric acid Buffer

Applications

  • Crystallization grade Citric acid buffer for formulating screens or for optimization

Features

  • 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)

Description

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

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%

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Citric acid Buffer

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Citric acid Buffer

Citric acid Buffer

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Citric acid Buffer

CAT NO

HR2-757

NAME

1.0 M Citric acid pH 3.5

DESCRIPTION

100 mL

PRICE

$44.00

cart quote

Support Material(s)

Citric acid Buffer HR2-757 Citric acid pH 3.5 SDS

Certificate Of Analysis

Related Item(S)

  • Sodium hydroxide
  • StockOptions Citric Acid Buffer Kit
  • Individual StockOptions Citric Acid Reagents

References

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.

Citric acid Buffer Citric acid Buffer

Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).

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