Procurement of Sodium Aluminate

The company announces its need for Procurement Of Sodium Aluminate .

Specification of Sodium Aluminate:
- Item 001 Qty=40000
- Governing Standard : IS 4200 : 1984 (Reaffirmed in 2003).
- Product Description : The material shall essentially be Sodium Aluminate (Na2AI2O4).
- Product Use : To be used for water treatment and is based on its property of forming flocculant precipitates which are capable of coagulating. Product Requirements
- Physical Properties : The material, as received, should be in the form of white granular mass.
- Moisture content : The moisture content shall be 4.0 percent by mass, maximum when tested in accordance with the provisions of APPENDIX B (Clause 2.4) of the Governing Standard.
- Characteristics
i) Caustic alkalinity (as Na2O), : 40.0%, Minimum percent by mass.
ii) Water soluble aluminate (as AI2O3), : 52.0%, Minimum percent by mass.
iii) Iron oxide (as Fe2O3), parts per : 100 Maximum million.
iv) Matter insoluble in water, : 1.2%, Maximum percent by mass.
v) Chlorides (as NaCI), percent by mass : 0.2%, Maximum.
vi) Lead (as Pb), parts per million : 50 ppm, Maximum
vii) Arsenic (as As2O3),parts per million : 8 ppm, Maximum.
- Packing : The material shall be packed in mild steel black plate drums with polyethylene liner Nett Capacity of drums : 25/50 Kg). As the material has a tendency to absorb moisture and carbon dioxide from the atmosphere which results in caking, the exposure of the material direct to air shall be avoided).
- Marking : The packages shall be marked with the following information :
i) Name of the material ;
ii) Name of the manufacturer or his recognized trade-mark, if any ;
iii) Mass of the material in the package ; and
iv) Identification in code or otherwise to enable the batch of manufacturer to be traced
from the records.
N.B : Batch test certificate from manufacturer indicating batch number to be submitted along with supply of material.