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Sodium citrate tribasic dihydrate Buffer
Applications
Crystallization grade Sodium citrate tribasic dihydrate 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
Sodium citrate tribasic dihydrate buffer
Synonym:Citric acid trisodium salt dihydrate or Trisodium citrate dihydrate
C6H5Na3O7•2H2O
HOC(COONa)(CH2COONa)2•2H2O
Mr 294.10
CAS Number [6132-04-3]
EC Number 200-675-3
Merck 14,8602
Beilstein Registry Number 6104939
MDL Number MFCD00150031
Purity ≥99.0%

Useful pH range of a Sodium citrate tribasic dihydrate buffer: 2.2 - 6.5
HR2-735 is titrated to pH 5.6 using HCl
HR2-735 Measured Conductivity Range: 67.4 - 78.5 mS/cm at 25°C
HR2-735 Measured Refractive Index Range: 1.37400 - 1.37502 at 20°C

Titrate HR2-571 using HCl (Catalog number: HR2-581)
HR2-571 Measured pH Range: 8.1 - 8.4 at 25°C
HR2-571 Measured Conductivity Range: 60.0 - 69.8 mS/cm at 25°C
HR2-571 Measured Refractive Index Range: 1.37347 - 1.37370 at 20°C

Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.005%
Cd ≤0.0005%
Cl ≤0.001%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.01%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
NH4+ ≤0.001%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Zn ≤0.0005%

CAT NO NAME DESCRIPTION
HR2-571 Sodium citrate tribasic dihydrate 1.0 M solution - 100 ml
Price Quantity
$50.00
CAT NO NAME DESCRIPTION
HR2-735 Sodium citrate tribasic dihydrate pH 5.6 1.0 M solution - 100 ml
Price Quantity
$50.00
CAT NO NAME DESCRIPTION
HR2-581 1.0 M Hydrochloric acid 100 ml
Price Quantity
$32.90
References
1.Crystallization and preliminary X-ray diffraction studies on ADP-ribosylation factor 1. Greasley, S; Jhoti, H; Fensome, AC; Cockcroft, S; Thomas, GM; Bax, B. J Mol Biol 244, 651- 653, 1994.
Certificates of Analysis
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