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1 Products availableLeading Manufacturer, Supplier & Retailer of Sodium Bisulfite.
Specifications :
Chemical Formula | (NH 4)2 S2O3 |
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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 |
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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) |
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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 |