Complies With BSS 1468. Tin salts for electroplating.
1.
Tin content as Sn
:
40.0% min
2.
Tin content as SnO2
:
54.00% min
3.
Free caustic alkali
:
2.00% min
4.
Insoluble in 1% NaOH
:
0.25% max
5.
Lead as Pb
:
0.05% max
6.
Antimony as Sb
:
0.05% max
7.
Arsenic as As
:
0.01% max
8.
Nitrate as KNO3
:
0.25% max
9.
Chloride as KCl
:
1.00% max
Storage
Store in airtight containers.
Sodium Stannate absorbs carbon dioxide in the presence of moist air and will become less soluble in water.
Grades :CP/ LR /AR.
Packages
25kg polyethylene lined steel drums.
Packages supplied meet with UN performance standards where appropriate.
Special packaging requirements can be accommodated.
Uses
Chemicals: In the manufacture of insoluble Stannates (e.g. those of Barium, lead, calcium, magnesium, and bismuth). It is also used in the preparation of some tin oxide coatings (e.g. for catalytic uses)
Metal Finishing: As a tin plating salt in alkaline plating baths and as an ingredient of tin – Zinc plating salts.
Paper : As a process chemical in the preparation of some surface coatings.
