High Quality Food and Industry Grade Sodium Sulfite Chemical CAS 7757-83-7 Na2so3 Sodium Sulphite Anhydrous Sodium Sulfite Powder
Product Description
Sodium sulfite
CAS
7757-83-7
(1)
Industry Grade
: Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.
(2)
Food Grade
: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.
(3)
Photo Grade
: In the photographic industry as component of developer bath.
(4)
Pharmaceutical Grade
: pharmaceutical industry for the production of benzene and formaldehyde phenylpropanoid Sulfone
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SODIUM SULPHITE 97%MIN(ANHYDROUS)
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ITEM
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SPECIFICATION
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TEST RESULT
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NA2SO3 CONTENT
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97 %MIN
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0.976
|
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IRON (FE)
|
0.003%MAX
|
0.000017
|
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SODIUM CHLORIDE (NACL)
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0.1%MAX
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0.0006
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AS
|
0.0002%MAX
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0.000001
|
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HEAVY METALS ( AS PB)
|
0.001%MAX
|
0.000005
|
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WATER INSOLUBLE
|
0.02%MAX
|
0.0001
|
Wuhan Quanjinci New Material Co., LTD. is located in Wuhan, Hubei Province, China. We mainly produce ketones, alcohols, organic acids, caine and other fine chemicals and organic chemical raw materials. Products are exported to North America, Europe, Australia, Middle East and other regions. At the same time, we can also provide customers with product customization services.
Our factory covers an area of approximately 3,800 square meters. The first-class R&D team, professional production team, and strict quality inspection department make us a leader in the domestic chemical industry.
Our factory has been developing vigorously, and the production capacity has been rising constantly, which can meet the demands of customers more and faster. Even for large orders, we can complete production in 2-3 weeks. We have professional sales staff, experienced logistics team and patient and meticulous after-sales service to help you solve problems in the order process.
Choosing us, you will have a reliable partner, high-quality products, fast and safe transportation, and worry-free after-sales experience. Sincerely hope that we can establish long-term cooperative relations with our customers and achieve a win-win situation.
Q1:Will you supply samples for test the quality?
Free samples for the quality evaluation for most products, but customers only need to undertake the shipping fee for delivery the samples to your destionation.
Q2:What's the MOQ?
Differentiate
a
ccording to the product value,1 gram or 50 kilograms and 100 kilograms.
Q3
:
How can I release the payment to you ?
We can receive your payment by T/T, ESCROW or Western union which is recommended, and we can also receive by L/C at sight.
Q4.Which transportation do we use?
A:Samples could be DHL, UPS, TNT, EMS, Fedex, and so on. For mass orders, it will be delivered by air or sea.
Q5:How about your delivery time?
Generally, it will take 3 to 5 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Depending on your location, please allow 3-5 business days for your order to arrive.
For small order, please expect 3-7 days by DHL FEDEX EMS.
For mass order, please allow 5-8 days by Air, 15-30 days by Sea.
Q6:What is your package?
Powder: PE bag, glass bottle or PTFE bottle for inner packing, and aluminium foil bag for outer packing.
Liquid: glass bottle or PTFE bottle for inner packing, and aluminium foil bag for outer packing.
Bulk order: Fiber drum or steel drum.
Q7:Is there a discount?
Yes, for larger quantity, we always support with better price.The more you order,the cheaper.
Q8:How does your factory control quality?
All the raw material purchasing and production quality control are strictly following the ISO9001: 2008 management system. Besides, the full-featured detection equipment and GMP quality management system to provide the strongest guarantee for high quality product. We can provide our customers the detailed test report for the quality evaluation before the sample.
Q9:How do you treat quality complaint?
First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
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