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A200384 | Sodium Sulphite Anhydrous ANALYTIC-ACS

M: 126,04 EC: 231-821-4 NC: 2832 10 00

  • CAS Number:   7757-83-7
  • Formula:   Na2SO3
Specifications

Minimum assay (Iodom.)................................................................ 98,0 %

MAX. IMPURITIES

Insoluble matter in H2O................................................................. 0,005 %

Acidity................................................................................................... p/t.

Alkalinity.................................................................................. 0,03 meq/g

Chloride (Cl).................................................................................... 0,01 %

Thiosulphate......................................................................................... p/t.

Heavy metals (as Pb).................................................................... 0,001 %

As............................................................................................... 0,0001 %

Ca................................................................................................. 0,013 %

Cu................................................................................................. 0,001 %

Fe.................................................................................................. 0,001 %

K..................................................................................................... 0,05 %

Mg................................................................................................ 0,013 %

Ni.................................................................................................. 0,001 %

Pb................................................................................................. 0,001 %

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