|
SPECIFICATION
OF SODIUM BI SULPHITE (CO. CODE NO. SBS01P)
|
| |
|
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.
|
|
|
|
SPECIFICATION
OF SODIUM BI SULPHITE (CO. CODE NO. SBS02R)
|
| |
|
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.
|
|
|
|
SPECIFICATION
OF SODIUM BI SULPHITE (CO. CODE NO. SBS03R)
|
| |
|
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.
|
|
|
|
SPECIFICATION
OF SODIUM BI SULPHITE (CO. CODE NO. SBS04P)
|
| |
|
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%
|
|
|
|
SPECIFICATION
OF SODIUM BI SULPHITE (CO. CODE NO. SBS05P)
|
| |
|
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.
|
|
|
|
SPECIFICATION
OF SODIUM BI SULPHITE (CO. CODE NO. SBS06P)
|
| |
|
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.
|
|
|
|
SPECIFICATION
OF SODIUM BI SULPHITE (CO. CODE NO. SBS07P)
|
| |
|
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
|
|
|
|
SPECIFICATION
OF SODIUM BI SULPHITE (CO. CODE NO. SBS08P)
|
| |
|
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
|
|
|
|
SPECIFICATION
OF SODIUM BI SULPHITE (CO. CODE NO. SBS09I)
|
| |
|
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
|
|
