Sodium sulfide
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  • Air ProSodium sulfide
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Sodium sulfide

​ Sodium sulfide
Synonyms: Sodium Polysulfide, Stinky Alkali, Sodium Sulfide Dehydrate.

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Product Description

Sodium sulfide


Synonyms: Sodium Polysulfide, Stinky Alkali, Sodium Sulfide Dehydrate.





1. Features:



(1) It has strong absorption ability of moisture, easy to dissolve in water. Its water solution reacts and forms into strong basicity.

(2) It will be oxidized slowly into sodium thiosulfate, sodium sulfite, sodium sulfate and sodium polysulfide.

(3) It deliquesces when exposed to air, and also goes bad by being carbonated and meanwhile releases hydrogen sulfide gas continuously.







2. Application

(1) Used to remove heavy metal in electroplating wastewater treatment.

(2) Use for wastewater treatment of tanning, paper making, mineral dressing, dyestuff production, organic intermediate, printing & dyeing and pharmacy etc.


3. Quality Specification

Executive Standard GB10500-2009


Item

High iron

Low iron

Grade one

Grade two

Grade one

Grade two

Appearance

Red or bronzing flakes




red

Yellow flakes

Content (%) ≥

60

50

60

50

Sodium sulfite(%) ≤

1.0




Sodium thiosulfate(%) ≤

5




Iron   (%) ≤

0.03

0.03

0.005

0.005

Sodium carbonate  (%) ≤

2.0


3.5


Water insoluble(%) ≤

0.05

0.05

0.2

0.2


4. Recommended Brand

Qingyuan


5. How to Use

First, make it up to 5% water solution and stirring continuously (prohibit stirring it with aeration way, and can not dissolve it with acid liquid, avoid H2S toxic gas overflowing), and add to original water when it is made up into turbid liquid.


6. Packing, storage and transportation

Packed with 25 kg three layer woven bag.

Stored in a dry (humidity less than 85%), cool and ventilate place. Keep it away from oxidant, acids strictly. It can keep good for 6 months under this condition.




Q1: Are you a manufacture or trader?
A1: We are a manufacturer in China, located in Shenzhen, Guangdong.

Q2: May I have a sample order?
A2: Yes, free sample is welcome to test quality. Please feel free to contact us/leave a message with your contact information. Sample is free, only delivery fee needs to be paid.

Q3: What is your acceptable payment term?
A3: L/C, T/T and etc.

Q4: How about the validity of the offer?
A4: Usually our offer is valid for 1 week. However, validity might vary between different products. Keep in touch with sales to find out the latest price.

Q5: What documents you provide?
A5: Usually, we provide Commercial Invoice, Packing List, bill of loading, COA, SGS, MSDS and Origin certificate. Please let us know if you need additional documents.

Q6: What is loading port?
A6: Usually loading port is Shenzhen port, we also can ship from Shanghai, Qingdao or any main port in China if you need.


Q7: What’s the package of the cargoes? 

A7: 50kg/25kg woven bags, within plastic bags, or as customized.





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