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| SPECIFICATION OF SODIUM BI SULPHITE (Co. Code No. B12P) |
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Sr.
No. |
Characteristics |
Specifications |
1. |
Physical Appearance |
White Crystalline Powder |
2. |
Assay as SO2% by mass |
65% Min. |
3. |
PH of 10% Solution |
4 to 5.5 |
4. |
Clearity of 10% Solution |
Clear |
5. |
Insoluble Matter, |
0.05% Max. |
6. |
Iron ( as Fe) |
10ppm Max. |
7. |
Heavy Metal ( as Pb) |
10ppm Max. |
8. |
Thiosulphate % |
0.1% Max. |
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SPECIFICATION OF SODIUM BI SULPHITE (Co. Code No. B11R) |
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Sr.
No. |
Characteristics |
Specifications |
1. |
Physical Appearance |
White Crystalline Powder |
2. |
Assay as SO2% by mass |
65% Min. |
3. |
PH of 10% Solution |
4 to 5.5 |
4. |
Clearity of 10% Solution |
Clear |
5. |
Insoluble Matter |
0.05% Max. |
6. |
Iron ( as Fe) |
20ppm Max. |
7. |
Heavy Metal ( as Pb) |
10ppm Max. |
8. |
Thiosulphate % |
0.1% Max. |
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SPECIFICATION OF SODIUM BI SULPHITE (Co. Code No. B9R) |
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Sr.
No. |
Characteristics |
Specifications |
1. |
Physical Appearance |
White Crystalline Powder |
2. |
Assay as SO2% by mass |
64-65% |
3. |
PH of 10% Solution |
4 to 5.5 |
4. |
Clearity of 10% Solution |
Clear |
5. |
Insoluble Matter |
0.05% Max. |
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| SPECIFICATION OF SODIUM BI SULPHITE (Co. Code No. B10P) |
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Sr.
No. |
Characteristics |
Specifications |
1. |
Physical Appearance |
White Crystalline Powder |
2. |
Assay as SO2% by mass |
64-65% |
3. |
PH of 10% Solution |
4 to 5.5 |
4. |
Clearity of 10% Solution |
Clear |
5. |
Insoluble Matter, Max. |
0.05% |
6. |
Iron ( as Fe) Max. |
10ppm |
7. |
Heavy Metal ( as Pb) Max. |
10ppm |
8. |
Thiosulphate % Max. |
0.1% |
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SPECIFICATION OF SODIUM BI SULPHITE (Co. Code No. B8P) |
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Sr.
No. |
Characteristics |
Specifications |
1. |
Physical Appearance |
White Crystalline Powder |
2. |
Assay as SO2% by mass |
63-64% |
4. |
PH of 10% Solution |
4 to 5.5 |
5. |
Clearity of 10% Solution |
Clear |
6. |
Insoluble Matter |
0.05% Max. |
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SPECIFICATION OF SODIUM BI SULPHITE (Co. Code No. B6P) |
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Sr.
No. |
Characteristics |
Specifications |
1. |
Physical Appearance |
Creamish Crystalline Powder |
2. |
Assay as SO2% by mass |
60-63% |
3. |
Assay as NaHSO3 % by mass |
98% Min. |
4. |
PH of 10% Solution |
4 to 5.5 |
5. |
Clearity of 10% Solution |
Clear |
6. |
Insoluble Matter |
0.1% Max. |
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SPECIFICATION OF SODIUM BI SULPHITE (Co. Code No. B4P) |
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Sr.
No. |
Characteristics |
Specifications |
1. |
Physical Appearance |
Yellowish Powder |
2. |
Assay as SO2% by mass |
50-52% |
3. |
Assay as NaHSO3 % by mass |
81-84% |
4. |
PH of 10% Solution |
5 to 6 PH |
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SPECIFICATION OF SODIUM BI SULPHITE (Co. Code No. B2P) |
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Sr.
No. |
Characteristics |
Specifications |
1. |
Physical Appearance |
Yellowish Powder |
2. |
Assay as SO2% by mass |
40-42% |
3. |
Assay as NaHSO3 % by mass |
65-68% |
4. |
PH of 10% Solution |
5 to 6 PH |
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SPECIFICATION OF SODIUM BI SULPHITE (Co. Code No. BC1) |
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Sr.
No. |
Characteristics |
Specifications |
1 |
Physical Appearance |
Yellowish Powder |
2 |
Assay as SO2% by mass |
30-32% |
3 |
Assay as NaHSO3 % by mass |
48-50% |
4 |
PH of 10% Solution |
5 to 6 PH |
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