Customization: | Available |
---|---|
CAS No.: | 7772-98-7 |
Formula: | Na2s2o3 |
Still deciding? Get samples of US$ 0/kg
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Item
|
Photographic grade
|
Industrial grade
|
Anhydrous grade
|
Appearance
|
colorless transparent crystal
|
colorless transparent crystal
|
white powder
|
Assay
|
≥99.00%
|
≥98.5%
|
≥97.0%
|
Water Insoluble matter
|
≤0.01%
|
≤0.03%
|
≤0.03%
|
Sulfide
|
≤0.001%
|
≤0.003%
|
≤0.001%
|
Fe
|
≤0.001%
|
≤0.003%
|
≤0.005%
|
PH
|
6.5~9.5
|
6.5~9.5
|
6.5~9.5
|
Water solution reaction
|
in accordance with the test
|
in accordance with the test
|
----
|
Granularity(g/g)
|
12~16
|
---
|
----
|
Residual AM (PPM)
|
<500<>
|
<500<>
|
<500<>
|
PH Value
|
5-14
|
5-14
|
5-14
|
25 KG bag , 25 MT/20'FCL .
also be packed according to customer's needs.
Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.
Q1: Can I get samples?
A: Yes, we can supply free sample, you pay for the freight charge only.
Q2: How to pay?
A: PI will be sent firstly after our aligned products specification. Payment by Paypal , T/T, Western Union,LC, are ok.
Q3: How is your MOQ?
A: Normally speaking, our MOQ is 1 container. But we can also accept less quantity on the condition that sample charge is100% paid.
Q4: How can you guarantee the quality of your products ?
1. Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
2. Free sample or pre-shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers
3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.
4. On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.
Q5: Do you have any other chemicals?
A: Yes, We can provide kinds of additives and flocculating agent, such as PAC,PAM,Aluminum Sulfate and Citric acid,Soda Ash,Soda Flake, etc .....