Sodium Thiosulfate Gr For Analysis Emsure

ürün Kodu : 106516.1000

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106516.1000

Sodium thiosulfate GR for analysis

Ürün bilgisi
Grade ACS,ISO,Reag. Ph Eur
Hill Formula Na2O3S2 * 5 H2O
HS Code 2832 30 00
EC number 231-867-5
Molar mass 248.21 g/mol
CAS number 10102-17-7
Kimyasal ve fiziksel veri
Solubility 701 g/l (20 °C)
Melting point 48 °C
Molar mass 248.21 g/mol
Density 1.74 g/cm3 (20 °C)
Bulk density 1000 kg/m3
pH value 6.0 - 7.5 (100 g/l, H2O, 20 °C)
Güvenlik bilgisi
RTECS WE6660000
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 28
Aqueous solutions: Container D.
Toksikolojik veri
LD 50 oral LD50 rat > 5000 mg/kg
Spesifikasyonlar
Assay (iodometric) 99.5 - 101.0 %
Identity passes test
Clarity of solution passes test
Insoluble matter ≤ 0.005 %
pH-value
- 5 %; water, 25 °C
6.0 - 7.5
- 10 %; water 6.0 - 7.5
Chloride (Cl) ≤ 0.008 %
Sulfate and sulphite (as SO4) ≤ 0.1 %
Sulfide (S) passes test
Heavy metals (as Pb) ≤ 0.001 %
Total nitrogen (N) ≤ 0.002 %
Ca (Calcium) ≤ 0.002 %
Cu (Copper) ≤ 0.0005 %
Fe (Iron) ≤ 0.0005 %
K (Potassium) ≤ 0.001 %
Mg (Magnesium) ≤ 0.001 %
Pb (Lead) ≤ 0.0005 %

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