China
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( Negotiable ) Get Latest Price
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23 Metric Ton
25kg/bag
21 days after received in advance
500 Metric Ton per Month
T/T, L/C
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Item |
Specification |
|
|
Food Grade |
Tech Grade |
Appearance |
White To Slightly Yellowish Crystalline Powder |
|
Content |
98.0% Min |
98.0% Min |
SO2 |
65.0% Min |
65.0% Min |
Na2S2O4 |
2.0% Max |
2.0% Max |
Insolubles In Water |
0.05% Max |
0.05% Max |
Particle Size |
85% (Mesh 200) |
85% (Mesh 200) |
pH |
4.5 -5.5 |
4 -4.6 |
Fe |
5ppm max |
5ppm max |
Heavy Metal |
10 ppm max |
|
As |
1 ppm max |
Contact Person :Mr. Frank
Company:shijiazhuang standard imp and exp co., ltd
Address:No 8, Huixin, Shijiazhuang, Hebei, China,
Telephone:
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Mobile:
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Fax:
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