Sodium sulfate puriss. meets analytical specification of Ph. Eur. BP USP anhydrous 99.0-100.5% (calc. to the dried substance)

Code: 13464-1KG-M D2-231

Application

Sodium sulfate (Na2SO4) may be employed as a reagent for the precipitation of globulins during the estimation of proteins in blood.


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Application

Sodium sulfate (Na2SO4) may be employed as a reagent for the precipitation of globulins during the estimation of proteins in blood.

General description

Sodium sulfate (Na2SO4) can be obtained directly via precipitation from a saturated solution of Na2SO4 at room temperature (20°C). Its crystallization and growth rates at room temperature (20°C) under various conditions have been investigated. Sodium sulfate can be produced during Leblanc process, from sodium chloride and sulfuric acid.

anion traceschloride (Cl-): ≤0.02%
assay99.0-100.5% (calc. to the dried substance)
cation tracesCa: ≤0.005%, Mg: ≤0.005%, Zn: ≤0.03%, As: ≤0.0002%, Fe: ≤0.005%
density2.68 g/mL at 25 °C (lit.)
formcrystalline
gradepuriss.
impurities≤0.05% free acid (as H2SO4), ≤0.001% heavy metals (as Pb), residual solvents, complies, ≤0.04% free alkali (as NaOH), acidity or alkalinity, complies
InChI keyPMZURENOXWZQFD-UHFFFAOYSA-L
InChI1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
loss≤0.5% loss on drying, 130 °C
mp884 °C (lit.)
pH5.2-8 (20 °C, 50 g/L)
Quality Level100
qualitymeets analytical specification of Ph. Eur., BP, USP
SMILES string[Na+].[Na+].[O-]S([O-])(=O)=O
suitabilitycomplies for appearance of solution
vapor pressure﹤0.1 hPa ( 20 °C)
Cas Number7757-82-6
This product has met the following criteria to qualify for the following awards:



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