Sulphites

Sodium Sulphite Photo/Food Grade 99%

We are expert in supplying an exclusive range of sodium sulphite which is available in white crystalline powder and has maximum purity of 93 to 97 percent. These chemicals are offered in special packing in 25kg in plastic woven bags. These have molecular weight of 126.04 with molecular formula of Na2SO3.

Specifications:

• Na2SO4: 2.5%max.
• NaCl: 0.10%max.
• CAS NO.: 7757-83-7
• Molecular Weight: 126.04
• Molecular Formula: Na2SO3
• Description: white crystalline powder
• Fe 0.003%max. 0.005%max. 0.01%max.
• Free alkali 0.10%max. 0.40% max. 0.60%max.
• Packing: packed in 25kg net plastic woven bag.
• Purity (na2co3) 97.0%min. 96% min. 93.0%min.
• Water insoluble 0.02%max. 0.03% max. 0.05%max.

Application areas:

• As a developer for photographic industry
• As a lignin-removing agent for paper industry
• As a stabilizer for synthetic fiber for textile industry
• As a reducing agent for chemical industry, or for electroplating industry
• It is used as a deoxidizing or bleaching agent for printing and dyeing industry

Particulars	Grade
Sodium Sulphite wt %	98.5 min
Sodium Sulphate wt %	1.5 max
Sodium Chloride wt %	0.05 max
Sodium Carbonate wt %	0.1 max
Moisture wt %	0.05 max
Insoluble wt %	0.1 max
Iron (fe) ppm	5 max
Heavy metal (pb) ppm	10 max
Selenium ppm	30 max
Arsenic ppm	3 max

Sodium Metabisulphite Photo/Food Grade 66% We are offering a wide range of sodium bi-sulphite which is at par with international standards. Also, we are exporting these sulphites to more than 20 countries. These are available in white to light yellow color as crystalline solids. Also, we offer these chemicals in special kind of HDPE woven bags packing. These are used as preservatives for deteriorative liquid or solution and for teeth as antiseptic in fermentation industries. Applications • In paper making • As preservative for deteriorative liquid or solution • Used for Teeth, purpose, as antiseptic in fermentation industries Specifications: • Color: White to light yellow crystalline solid • SO2 Content: 60% Min. • Packing: Standard packing - 50 kgs Net in HDPE woven Bag with Liner • Uses: As Disinfectant and Bleach in Dyeing for preparing Hot and Cold indlgovats NOTE We hereby certify that tha above reported results are correct and the product meets the designated specificatio. We make no other warranty, either express or implied, including any warranty of merchantability or fitness for particular purpose as the condition of application are beyond our control.We also recommends that the product be stored as suffested and in its original packing.

Sodium Sulphite Technical 92-93%

The broad range of sodium meta-bi-sulphite are offered by us is at par with international standards. These sulphites are available in white and faint cream color as crystalline material. Also, these are highly insoluble matter and are very pure.

Specifications:

• Physical Appearance: White to very faint cream color crystalline material
• Appearance of 20% Aqua Solution: Slightly Hazy solution free from extraneous impurities Pale yellow color
• pH of 5% Solution: From 5.0+0.5 at R.T.
• Thisulphate as Na2 S2 O3 5H2O : 0.5% (max)
• Heavy Metal as P.B.: 0.05% (max)
• Iron as Fe: 0.05% (max)
• Purity as Na2 S2 O5: 95.0% (mini)
• Purity as SO2: 64.0% (mini)
• Purity as NaHSO3/2: 100.00% (mini)
• Insoluble Matter: 0.05% (max)
• Chlorides as (CL): 0.06%
• Sodium Sulphite: 5.00 (max)

Particulars	Grade
Purity as	94 min
Sodium Sulphate wt %	3 max
Sodium Chloride wt %	1 max
Sodium Carbonate wt %	0.1 max
Moisture wt %	0.05 max
Insoluble wt %	0.1 max
Tron (FE) PPM	20 max
Heavy metal (pb) PPM	10 max
Selenium PPM	---
Arsenic PPM	---

We have with us a range of sodium metabi sulphide photo grade that is used as a co-product in the manufacture of barium carbonate. It is purchased from the reputed and trustworthy manufacturers to ensure high pH value and accurate formulation. Our range is available in different purity ranges to meet the diverse application needs.