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1 Products availableLeading Manufacturer, Supplier & Retailer of Sodium Bisulfite.
Specifications :
| Chemical Formula | (NH 4)2 S2O3 |
|---|---|
| Molecular Weight | 148.21 |
| Specific Gravity | 1.320 to 1.340 |
| Free Ammonia | 1 % Max |
| Sulphite Content | 1.5 % Max |
| pH | 8 to 9.5 pH |
| Assay as (NH 4)2 S2O3 | 58 to 60 % W/W |
Specifications :
| Physical Appearance | White Crystalline Free flowing Powder |
|---|---|
| Appearance of Solution | 10% solution in distilled water is clear, colorless & free from External Impurities |
| Assay of dried material as NaBr | 99.2 % |
| pH of solution | 7.25 Max. |
| Bromates (As BrO3) | passes |
| Iron as Fe. | passes |
| Heavy Metal as Pb. | passes |
| Sulphate as SO4 | 0.005. |
| Moisture by mass | 0.25 % |
| Chloride as Cl | 0.05 % |
Specifications :
| Chemical Formula | AlNH4(SO4).12 H20 |
|---|---|
| CAS No. | 7784-24-9 (DODECAHYDRATE) |
| Color | White Powder or Crystals |
| MOL Wt | 474.39 |
| Assay | 98.00 TO 99.00 % |
| Insolubles | 0.01 % |
| pH | 3 TO 3.5 IN 10 % Solution |
| Iron | 0.02 % |
| Clorides | 0.02% |
| Lead as Pb | 0.002 % |
| Zinc as Zn | 0.002 % |
| Melting Point | 92 TO 93 C |
| Boiling Point | 200 C (DECOMPOSES) |
| Specific Gravity | 1.750 TO 1.760 |
Specifications :
| Chemical Formula | (Na2S2O3. 5H2O) |
|---|---|
| Physical Appearance | White P Crystals |
| MOL. WT. | 248.17 |
| Appearance | 20 % |
| Solution in distilled water | Solution is clear and colorless |
| Assay as Na2S2O3. 5H2O | 98.65 % W/W. |
| Sulphide as Na2S | 0.002 % MAX. |
| pH of 10 % solution | 7.25 AT ROOM TEMP. |
| Insolubles Matter as | 0.04 % MAX |
| Insolubles Matter as Ca , Mg and NH4OH | 0.04 % MAX |
| Iron as Fe | Passes |
| Heavy Metals as Pb | Passes |
Specifications :
| Formula | K2S2O5 |
|---|---|
| Molecular Weight | 222 |
| Assay as K2S2O5 | 95 % Min |
| pH of 5% Solution | 4 ± 0.5 |
| Iron as Fe, Percentage by Mass | 0.005 % Max |
| Heavy Metals as Pb, Percentage by Mass | 0.005 % |
| 10% Solution | Clear & Colorless |
Specifications :
| Formula | NaHSO3 |
|---|---|
| Molecular Weight | 104 |
| Assay as (Na2S2O5) | 95 % Min |
| Assay as (SO2) | 62 % Min |
| Solubility (10 % Aquous Soln) | V. S. Hazy to clear solution |
| pH Value of 5% Solution | 3.5 to 4.5 |
Specifications :
| Chemical Formula | AlNH4(SO4).12 H20) |
|---|---|
| CAS No. | 7784-26-1 MOL WT:- 453.33 |
| Color | White Powder |
| Assay | 98.56 % |
| Insolubles | With in limits (0.005 %) |
| pH | 2.75 |
| Iron | In Limits (0.001 %) |
| Clorides | 0.001% |
| Lead as Pb | NIL |
| Zinc as Zn | NIL |
