???? ????????? ????????? ??? ?????

??? ????????

Anhydyous sodium sulphite

???? ??????

Na₂SO₃

??? ?????

126.04

?????

?????? ????? ?????? ? ?????? ?????? 2.633 ? ???? ??????? ?? ????? ? ???????? ?? ?????? ? ????? ???? ????? ??????? ? ??????? ??????? ? ?? ???? ?? ???? ?????.

????? ??????????

?????? ????? ?? ????? ??????? ???????? ? ????? ? ?????? ????? ???????? ????????? ???????? ??????????? ? ????????? ???????? ??????.

???? ??????????

???? ??????? ???????

?????? ????????

?????? ?????????

???? ????????? ?????????

??? ???????? ???????

??? ???????? ???????  

???? ????????? ?????????

Na₂SO₃ ≥ %

98.0

97.0

96.0

97.0

??????? ≤ %

0.003

0.003

0.005

0.002

??????? ??? ??????? ?????? ≤ %

0.01

0.02

0.03

0.05

??????? ??????? ≤ %
 (Na₂CO₃ )

0.001

0.1

0.4

0.15

??????? ???????? (Na₂SO₃) ≤ % 

1.2

2.5

-

-

?????? ???????? (NaCl) ≤ %

0.003

0.1

-

-

??? ???? ( ????? ?Pb ) ≤ %

0.001

-

-

0.002

????? (As) ≤ %

0.0001

-

-

-

????????? ????????  ≤%

0.001

-

-

0.0015

???? ??????? ??????? ???????

???????

-

-

???????

?????? ?????? ????? ?????

???????

-

-

???????