Name of Work:Procurement of Ferric Alum used in Pre-Treatment plant of WTP, against CTPS & for 1x660MW, HTPS, Kasimpurthrough open e-tender
Sl. No.
Item Description
1
Ferric Alum Grade-II conforming to IS: 299/1989 (4th Revision or as per latest amendment, if any) having following specification.A- Aluminium Sulphate Octa decahydrate. It shall be in the form of slab of 20kg (Approx.)B-Insoluble.0.5% by mass (max.)C-Soluble iron compound (As Fe):0.7% by mass (max.)D-Water soluble Aluminum compound as Al2O3:15% by mass (min.)E-Lead (as PB):30PPM (max.)F-Arsenic (As AS2O3):6PPM (max.)G-PH of 5% Aq.soln.:2.7 (min.)H-Acidity (as H2SO4) 0.5% by mass (max.)I-Acidity (as H2SO4) 0.5% by mass (max.)
2
Ferric Alum Grade-I confirming to IS: 299/2012(4th Revision or as per latest amendment if any) having following specification.(A) Aluminium sulphate octadecahydrate it shall be in the form of slab of 20 kg (approx).(B) Water soluble Aluminium compound (as Al2O3): 16.0% by mass (min).(C) Soluble iron compound As fe : 0.7% by mass (max).(D) PH (of 5% aqueous solution), min: 2.7 other specification as per IS:299/2012.
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