Product Name
|
Sodium Hydrosulphite/Sodium Hydrosulfite
|
Purity
|
85% 88% 90%
|
CAS NO.
|
7775-14-6
|
Appearance
|
White Crystal Powder
|
MF
|
Na2S2O4
|
HS Code
|
2831101000
|
EINECS NO.
|
231-890-0
|
UN NO.
|
1384
|
SODIUM HYDROSULFITE 85%
|
||
ITEM
|
STANDARD
|
TESTING RESULT
|
Purity(wt%)
|
85min
|
85.84
|
Na2CO3(wt%)
|
3-4
|
3.41
|
Na2S2O3(wt%)
|
1-2
|
1.39
|
Na2S2O5(wt%)
|
5.5 -7.5
|
6.93
|
Na2SO3(wt%)
|
1-2
|
1.47
|
Fe(ppm)
|
20max
|
18
|
Water lnsoluble
|
0.1
|
0.05
|
HCOONa
|
0.05max
|
0.04
|
Appearance
|
White crystalline powder
|
|
Odor
|
No or light sulfurous acid
|
SODIUM HYDROSULFITE 88%
|
|||||
Na2S2O4%
|
Water insolubles%
|
Heavy Metal Content(ppm)
|
Na2CO3%
|
Fe(ppm)
|
Zn(ppm)
|
88 MIN
|
0.05MAX
|
1MAX
|
1-5.0
|
20MAX
|
1MAX
|
88.59
|
0.043
|
0.34
|
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