Sigma-Aldrich 13464 Sodium sulfate puriss., meets analytical specification of Ph. Eur., BP, USP, anhydrous, 99.0-100.5% (calc. to the dried substance) 1 kg
Kategori
Marka
Stok Kodu
LB.SA.13464-1KG-R
Kısa Bilgi
Linear Formula: Na2SO4 CAS Number: 7757-82-6 Molecular Weight: 142.04 EC Number: 231-820-9 MDL number: MFCD00003504 PubChem Substance ID: 329750184 NACRES: NA.21
Bilgi
CAS Number: 7757-82-6
| Sigma-Aldrich 13464 Sodium sulfate puriss., meets analytical specification of Ph. Eur., BP, USP, anhydrous, 99.0-100.5% (calc. to the dried substance) |
| Linear Formula: Na2SO4 CAS Number: 7757-82-6 Molecular Weight: 142.04 EC Number: 231-820-9 MDL number: MFCD00003504 PubChem Substance ID: 329750184 NACRES: NA.21 |
|
PROPERTIES
grade puriss.
Assay 99.0-100.5% (calc. to the dried substance) form crystalline quality meets analytical specification of Ph. Eur., BP, USP impurities 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) loss ≤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.) anion traces chloride (Cl-): ≤200 mg/kg cation traces As: ≤2 mg/kg Ca: ≤50 mg/kg Fe: ≤50 mg/kg Mg: ≤50 mg/kg Zn: ≤300 mg/kg suitability 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 DESCRIPTION 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.[1] Sodium sulfate can be produced during Leblanc process, from sodium chloride and sulfuric acid.[2] Application Sodium sulfate (Na2SO4) may be employed as a reagent for the precipitation of globulins during the estimation of proteins in blood.[3] |
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