半岛bd体育手机客户端 说明

联系

Replaces: SX0761-20

分析说明

Assay (alkalimetric): ≥ 99.0 %
Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.01 %
Acidity or alkalinity: passes test
pH-value (5?%; water; 25?°C): 5.2 - 8.0
Chloride (Cl): ≤ 0.001 %
Phosphate (PO?): ≤ 0.001 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.001 %
Loss on drying (130?°C): ≤ 0.5 %
Loss on ignition (800?°C): ≤ 0.5 %
Corresponds to ACS, ISO, Reag. Ph Eur

法律信息

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

基本信息

线性分子式	Na2SO4
分子量	142.04
MDL编号	MFCD00003504
EC索引号	231-820-9

半岛bd体育手机客户端 性质

质量水平	300
等级	ACS reagent
agency	reag. ISO reag. Ph. Eur.
测定	≥99.0% (alkalimetric) 98.5-101% dry basis (alkalimetric)
形式	solid
效能	>2000 mg/kg LD50, oral (Rat)
pH值(酸碱度)	5.2-8.0 (20 ℃, 50 g/L in H2O)
mp	884 ℃ (lit.)
密度	2.68 g/mL at 25 ℃ (lit.)
堆积密度	1400?1600 kg/m3
痕量阴离子	chloride (Cl-): ≤0.001% phosphate (PO43-): ≤0.001%
痕量阳离子	As: ≤ 0.0001% Ca: ≤ 0.005% Fe: ≤ 0.0005% K: ≤ 0.002% Mg: ≤ 0.001% N: ≤ 0.0005% heavy metals: ≤ 0.0005% heavy metals (as Pb): ≤ 0.0005%
储存温度	2-30℃
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

安全信息

储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable