Quality Level
grade
puriss.
분석
99.0-100.5% (calc. to the dried substance)
양식
crystalline
품질
meets analytical specification of Ph. Eur., BP, USP
불순물
acidity or alkalinity, complies
residual solvents, complies
≤0.001% heavy metals (as Pb)
≤0.04% free alkali (as NaOH)
≤0.05% free acid (as H2SO4)
손실
≤0.5% loss on drying, 130 °C
pH
5.2-8 (20 °C, 50 g/L)
mp
884 °C (lit.)
density
2.68 g/mL at 25 °C (lit.)
음이온 미량물
chloride (Cl-): ≤200 mg/kg
양이온 미량물
As: ≤2 mg/kg
Ca: ≤50 mg/kg
Fe: ≤50 mg/kg
Mg: ≤50 mg/kg
Zn: ≤300 mg/kg
적합성
complies for appearance of solution
SMILES string
[Na+].[Na+].[O-]S([O-])(=O)=O
InChI
1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
InChI key
PMZURENOXWZQFD-UHFFFAOYSA-L
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일반 설명
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.
애플리케이션
Sodium sulfate (Na2SO4) may be employed as a reagent for the precipitation of globulins during the estimation of proteins in blood.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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