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最小订单:
22 Metric Ton
包装细节:
225kg drum
交货时间:
10 days
供应能力:
8000 Metric Ton per Month
付款方式:
T/T, L/C, D/A, D/P, Western Union, Money Gram, PayPal
联系人 Alice
Tianjin, Tianjin
Sodium Hydrosulfite *5%, *0%
Quickview
Synonyus: Sodium Hydrosulfite
Formula: Na2O4S2
UN NO.: ***4
DG Class: 4.2
CAS NO.: ********6
Property: white free-flow crystal powders, has strong
reducibility.
Specification
|
INDEX |
*0% |
*8% |
*5% |
FOOD ADDITIVE |
|
Na2S2O4 |
≥*0% |
≥*8% |
≥*5% |
≥*5% |
|
Fe |
≤*0ppm |
≤*0ppm |
≤*0ppm |
≤*0ppm |
|
ZincZn |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Other heavy metal calculated as Pb |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Water Insolubles |
≤0.*5% |
≤0.*5% |
≤0.*5% |
≤0.*5% |
|
Shelf Life(month) |
*2 |
*2 |
*2 |
*2 |
Packing
*5kg, *0kg, *5kg, *0kg, **0kg, **0kg iron drums with double polyethylene liners;
Application .
1. Widely used in textile industry for vat dyeing, reduction
cleaning, printing and stripping, textile textile bleaching
.
2. It is also used in bleaching paper pulps , especially mechanical
pulps, its the most fittable bleaching agent in
pulps.
3. It is used in bleaching kaolin clay, fur bleaching and reductive
whitening, bleaching of bamboo products and straw products,
4. It is used in mineral, the compound of thiourea and other
sulphides.
5. It is used as reducing agent in chemical industry.
6. Sodium hydrosulfite food additive grade is used in foodstuffs,
as bleaching agent and preservative dried fruits, dried vegetable,
vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid
glucose, bamboo shoots, mushrooms and canned mushrooms.
