High quality for Sodium Sulphite Anhydrous 96% Na2so3 industrial grade

Product description:

Molecular Formula	Na2SO3
Molecular weight	126.04
Appearance	white or yellowish powder
PH valune	9~9.5(alkaline)
Solubility	at 40 ºC, the highest solubility is about 37.4g/100 ml of water.
Oxidizability	oxidize to sodium sulfate when contacting with air.
Decomposabilty	decompose into sodium sulphide at high temperature
Ratio	2.633 (15.4ºC)
Refractive Index	1.565

Usage

(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) Photo Grade: In the photographic industry as component of developer bath .

(3) Pharmaceutical Grade : pharmaceutical industry for the production of chloroform, benzene and formaldehyde phenylpropanoid Sulfone

Specification:

Item	Super grade	First grade
Assay	97%min	96%min
Fe	0.003%max	0.005%max
Water insoluble	0.02%max	0.03%max
Na2CO3	0.1%max	0.4%max
H2SO4	2.5%max	Not test
NaCl	0.1%max	Not test

Quality Control

Qingdao Hisea Chem is a company that focus on delivery reliable and high-quality products. Our analytical laboratory equipped with advanced apparatus as well as a professional chemist team that ensure our product meet your criteria. After you confirmed your order, we make sure your goods will be delivered with the corresponding certificate of analysis (CoA). For more details of our product CoA, Check Products or talk to one of our sale representative.

Quotation & Payment

Qingdao Hisea Chem offer competitive price to our customer. We offer Free on Board (FOB), Cost, Insurance, and Freight (CIF) price to your designated port. Payment options is flexible with Hisea chem, our company have gained great confidence with difference banks all around the world. Email us if you have questions about our quotation and payment policy.

Shipment & After sale service

After over 20 years on global trade, Qingdao Hisea Chem has formed a mature international trade logistics chain. For most of our products, we offer "door to door service", our professional team gives you this "one-stop" service to save your time and increase your purchase experience.

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FAQ

Q: What's your advantage? Why choose you?

A: More than 10 years experienced of production chemical production. We have the most professional techniques and team. Great production capacity Sustainable Supply. According to customer requirements, we support the customized.

Q: What's the payment?

A: T/T would be better with quick transfer and few bank. LC could also be accept, but the proceure is complex and the fee is high. You can also use Western Union. For large quantity, sea shipping can be provided.

Q: Are you a factory or trading company?

A: We are a professional manufacturer. We are warmly welcome clients from worldwide to visit our factory and cooperate with us.

Q: How can i get some samples?

A: We are honored to offer you samples. New clients are expected to pay for the courier cost,the samples are free for you.

Q: When can i get the price?

A: We usually quote within 24 hours after we get your inquiry. If you are urgent to get the price, Please tell us in your email so that we will regard your inquiry priority.

Q: Where is your factory located?

A: Our factory is located in Qingdao,China.

Q: What is your sample policy?

A: Some of our samples are available for free,while others are available at a cost.

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