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Merck 1066579050 亚硫酸钠 (Na₂O₃S, 纤维纸箱 50kg)

  • 制造商:Merck
    Model: 1066579050
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  • Price (exclude VAT)43,928,850 VND
    Price (include VAT)48,321,735 VND
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CAS #: 7757-83-7

EC number: 231-821-4 

Hill Formula: Na₂O₃S 

Molar Mass: 126.04 g/mol

Assay (iodometric): 97.0 - 100.5 %

Identity: passes test

Appearance of solution: passes test

Insoluble matter: ≤ 0.005 %

Free acid: passes test

Titrable free base: ≤ 0.03 meq/g

Chloride (Cl): ≤ 0.02 %

Thiosulfate (S₂O₃): ≤ 0.1 %

Heavy metals (as Pb): ≤ 0.0005 %

As (Arsenic): ≤ 0.0001 %

Cu (Copper): ≤ 0.0005 %

Fe (Iron): ≤ 0.001 %

Pb (Lead): ≤ 0.0005 %

Se (Selenium): ≤ 0.0004 %

Zn (Zinc): ≤ 0.001 %

Details

Datasheet 

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