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Sodium sulfate decahydrate

产品编号:4060288
规格:for analysis EMSURE® ACS,Reag. Ph Eur
CAS NO:7727-73-3
包装规格:1 KG,25 KG
产品类别:进口试剂
品牌:Supelco
优惠价:立即咨询
产品编号包装单位单价(元)国内现货国外库存询价单
40602881 KG1220
406028825 KG23890
产品别名

7727-73-3

Sodium sulfate decahydrate

基本信息
Empirical Formula【经验(实验)分子式】
Na2O4S · 10H2O
Molecular weight
322.20
MDL number
MFCD00149189
EC Index Number【EC索引号】
231-820-9
Analysis Note【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 %
pH-value (5 %; water; 25 °C): 5.2 - 8.0
Acidity or alkalinity: passes test
Chloride (Cl): ≤ 0.0003 %
Phosphate (PO₄): ≤ 0.0005 %
Total nitrogen (N): ≤ 0.0003 %
Heavy metals (as Pb): ≤ 0.0003 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.001 %
Loss on drying (130 °C): 52.0 - 57.0 %
corresponds to ACS,Reag. Ph Eur
Legal Information【法律信息】
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
产品性质
Quality Level【质量水平】
300
grade【等级】
ACS reagent
agency
reag. Ph. Eur.
Assay【测定】
≥99.0% (alkalimetric)
98.5-101% dry basis (alkalimetric)
form【形式】
crystals
pH【pH值(酸碱度)】
5.2-8.0 (25 ℃, 50 g/L in H2O, anhydrous substance)
mp
32.4 ℃
density
1.464 g/cm3
bulk density【堆积密度】
700 kg/m3
anion traces【痕量阴离子】
chloride (Cl-): ≤0.0003%
phosphate (PO43-): ≤0.0005%
cation traces【痕量阳离子】
As: ≤ 0.0001%
Ca: ≤ 0.002%
Fe: ≤ 0.0005%
K: ≤ 0.002%
Mg: ≤ 0.001%
N: ≤ 0.0003%
heavy metals (as Pb): ≤ 0.0003%
storage temp.【储存温度】
15-25℃
InChI
1S/2Na.H2O4S.10H2O/c;;1-5(2,3)4;;;;;;;;;;/h;;(H2,1,2,3,4);10*1H2/q2*+1;;;;;;;;;;;/p-2
InChI key
RSIJVJUOQBWMIM-UHFFFAOYSA-L
安全信息
Storage Class Code【储存分类代码】
13 - Non Combustible Solids
WGK
WGK 1
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