Sulphates in inorganic chemistry may be defined as the salt or ester of sulphuric acid. These are available in different compositions such as Zinc Sulphate, Ammonium Sulphate, Magnese Sulphate, etc. Every batch of sulphate is carefully packed in vacuum sealed bags and properly labeled with complete details. We can efficiently undertake small and bulk orders for sulphates meeting the deadlines of the clients.
Ammonium Sulphate (LR Grade)
Specifications :
| Product Name |
Ammonium Sulphate LR |
| Formula |
(NH4)2SO4 |
| CAS Nos. |
7783-20-2 |
| Molecular Weight |
132.14 |
| Appearance |
Colorless to White Crystals |
| Assay |
Min. 99 % |
| pH |
4.4 – 5.5 |
| Chloride |
NMT 0.002 % |
| Nitrates |
NMT 0.002 % |
| Heavy Metals ( as PB
) |
NMT 0.001 % |
| Iron |
NMT 0.001 % |
| Loss on drying |
NMT 2% |
Zinc Sulphate
Monohydrate Pure
Specifications :
| Product Name |
Zinc Sulphate Monohydrate Pure |
| Formula |
ZnSO4.H2O |
| CAS Nos. |
74446-19-7 |
| Molecular Weight |
179.45 |
| Appearance |
White Fine Powder |
| Assay |
99 - 100.5 % |
| pH |
4 – 5.2 |
| Zn-Content |
Min. 32 % |
| Chloride |
NMT 0.002 % |
| Arsenic |
NMT 0.0005 % |
| Heavy Metals ( as PB
) |
NMT 0.002 % |
| Iron |
NMT 0.003 % |
| Alkaline & Earth
Alkaline (as SO4) |
NMT 0.7% |
| Loss on Drying at 105
degree C |
NMT 1 % |
Zinc Sulphate Heptahydrate LR
Grade
Specifications :
| Product Name |
Zinc Sulphate Heptahydrate LR |
| Formula |
ZnSO4.7H2O |
| CAS Nos. |
7446-20-0 |
| Molecular Weight |
287.54 |
| Appearance |
White Crystalline Powder |
| Assay |
99 – 102 % |
| pH |
4 – 6 |
| Zn |
Min. 22 % |
| Chloride |
NMT 0.01 % |
| Total Nitrogen |
NMT 0.005 % |
| Cadmium |
NMT 0.001 % |
| Copper |
NMT 0.0005 % |
| Heavy Metals ( as PB ) |
NMT 0.005 % |
| Iron |
NMT 0.005 % |
| Loss on Drying (105 degree Celsius, 32
Hrs) |
35% - 39% |
Zinc
Sulphate Heptahydrate (GR Grade)
Specifications :
| Product Name |
Zinc Sulphate Heptahydrate GR |
| Formula |
ZnSO4.7H2O |
| CAS Nos. |
7446-20-0 |
| Molecular Weight |
287.54 |
| Assay |
Min. 99.5 % |
| pH |
4.4 - 6 |
| Chloride |
NMT 0.0005 % |
| Total Nitrogen |
NMT 0.0005 % |
| Cadmium |
NMT 0.0005 % |
| Copper |
NMT 0.0005 % |
| Heavy Metals ( as PB ) |
NMT 0.001 % |
| Iron |
NMT 0.0005 % |
Magnesium
Sulphate Heptahydrate
Specifications :
| Product Name |
Magnesium Sulphate Heptahydrate
Technical |
| Formula |
MgSO4.7H2O |
| CAS Nos. |
10034-99-8 |
| Molecular Weight |
246.31 |
| Appearance |
Colourless Efflorescent Crystals
Powder |
| Assay |
99.25% |
| pH (5% solution) |
5.5 – 8.5 |
| Chloride |
NMT 0.012% |
| Arsenic |
NMT 0.0002 % |
| Zinc |
NMT 0.001% |
| Heavy Metals ( as PB ) |
NMT 0.0002% |
| Iron |
NMT 0.0005 % |
Magnesium
Sulphate (L.R Grade /I.P. Passing)
Specifications :
| Product Name |
Magnesium Sulphate LR |
| Formula |
MgSO4 |
| CAS Nos. |
7487-88-9 |
| Molecular Weight |
120.37 |
| Appearance |
White Powder |
| Assay |
Min 92. % |
| pH (5% solution) |
7 – 9.5 |
| Chloride |
NMT 0.002 % |
| Arsenic |
NMT 0.0002 % |
| Heavy Metals ( as PB
) |
NMT 0.0010 % |
| Iron |
NMT 0.0015 % |
Magnesium
Sulphate (ACS grade)
Specifications :
| Product Name |
Magnesium Sulphate |
| Formula |
MgSO4.7H2O |
| CAS Nos. |
10034-99-8 |
| Molecular Weight |
246.31 |
| Appearance |
Colorless crystals |
| Assay |
98.0% – 102% |
| pH |
5.0 – 8.2 |
| Chloride |
NMT 0.0005 % |
| Nitrates |
NMT 0.002 % |
| Iron |
NMT 0.0005 % |
Magnesium
Sulphate Anhydrous
Specifications :
| Product Name |
Magnesium Sulphate Anhydrous |
| Formula |
MgSO4 |
| CAS Nos. |
7487-88-9 |
| Molecular Weight |
120.37 |
| Appearance |
White Powder |
| Assay |
Min 92. % |
| pH(5% solution) |
7 – 9.5 |
| Chloride |
NMT 0.002 % |
| Arsenic |
NMT 0.0002 % |
| Heavy Metals ( as PB
) |
NMT 0.0010 % |
| Iron |
NMT 0.0015 % |
Zinc
Sulphate Monohydrate
Specification (Extra pure grade)
| Physical Appearance
|
White Fine Powder |
| Assay |
99.9% |
| Zn-Content |
36.4% minimum |
| pH 5% w/v |
4.6 -4.8 (+/- 0.2) |
| Fe |
NMT 10 p p m |
| Pb |
NMT 10 p p m |
| Cu |
NMT 5 p p m |
| Chloride |
passes test (U.S.P ) |
| 5% Solution |
is clear & colourless |
| Solubility in distilled water |
Complete |
| 5% Solution in excess Ammonia |
Clear & Colourless |
Specification (Technical grade)
| Physical Appearance
|
White Fine Powder |
| Assay |
90% (+ 1%) |
| Zn-Content |
32 to 33 % |
| Fe – Contents |
0.5 % Maximum |
| Cu-Contents |
0.1% Maximum |
| Insoluable |
Less than 0.15% |
| Ph of 5% Soln |
3.0 to 3.5 |
| Mesh Size |
100 to 150 Mesh |
Manganese
Sulphate Monohydrate
Specification
| Molecular Formula |
MnSO4.H2O |
| Molecular Weight |
169.01 |
| Purity |
99% Min |
| Mn Content |
32% Min |
| Iron |
70 ppm max |
| Water Insolubles |
0.1% max |
| Chlorides |
0.03% max |
| Aluminium |
0.025% max |
| Lead |
25 ppm max |
| Arsenic |
2.0 ppm max |
| Bismuth |
Nil |
| Antimony |
2.0 ppm max |
| Cadmium |
Nil |
| Zinc |
5.0 ppm max |
| Mercury |
Nil |
| Dioxine |
Nil |
| Total Organics (0.1% Max Bulk
Density) |
1.20 – 1.40 |
| Moisture |
0.40% max |
| Dissolution Text (10% Solution) |
Clear Solution |
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