|
Analytical item
|
Technique Index
|
|
sodium metabisulfite≥
|
64
|
|
sodium sulfite
|
3
|
|
sodium sulphate %≤
|
1.5
|
|
sodium chloride %≤
|
0.1
|
|
moisture %≤
|
0.05
|
|
insoluble %≤
|
0.1
|
|
iron
|
10 ppm
|
|
heavy metals
|
10 ppm
|
