dithiocarbamate based chemicals 405 sp gravity 1.18+/-0.1 ph 10.5+ -1 approved cfr no. 173, 320 2 quaternary ammonium based 50% solubility, freddy soluble in water or juice sp-gravity at 20°c 0.96 + 0.04flash point 750°c, f & oa status usa god= app. 173-20 3 biocide for cooling towerphysical appearance yellow coloured liquid ph. 11.71 ± 1 anionicsp-gravity 1.2 to 1.22 4 flocculent for melt clearification 5 antiscalants specific gravity 1.05-1.15 ionic character non-ionic chemicals value 42-44% solution of sodium polyacetate in water 6 washing sodaspecification- a)-total alkalinity (as na2co3 ) percent by mass, min-98.50b)- matter insoluble in water precent by mass, max-0.15c)- chloride (as nacl) precent by mass, max-1.00 d)- sulphate (as na2so4) precent by mass, max-0.08 7 hydrochloric acid (commercial) (hcl)specification-a)- total acidity (as hcl) by mass, min-32.0 b)- residue on ignition, precent by mass, max-0.0005c)- sulphites (as h2so4), precent by mass, max-0.0002d)- iron(as fe), precent by mass, max-0.0004 e)- free chlorine and bromine-0.0002f)- sulphites (as so2), precent by mass, max-0.0001 8 kleencare ab (stabilized) sodium hypochlorite 9 sodium meta bi sulphite (smbs) commercial, fisler 85-88 10 bleaching powder (sri ram ) make specification- a)- available chlorine precent by mass, min (grade-1st:- 34.0 & grade-2nd:- 32.0) b)- stability loss in chlorine on the basis of initial available chlorine, max (grade-1st:- 1/15 & grade-2nd:- 1/11)c)- moisture precent by mass, min (grade-1st:- 0.3 & grade-2nd:- 0.5)d)-partical size (passing through 1.7min is sleve) %by mass, min (grade-1st:- 99.5 & grade-2nd:- 99.0) 11 ammonium bifluoride 97.5 purity 12 bio culture 13 poly electrolyte 14 poly aluminium chloride 15 sulphuric acid (h2so4 ) 16 dextranase enzyme 17 activity for dextran >= 4500 cu/g 18 activity for dextran >= 1000 cu/g 19 chem amyl bc 20 alum 21 ph booster 22 scale softner specification-a)- form-white powder b)- solubility in water-complete c)- p h (10% aqueous solution)-12±1 23 formaldehydespecification-a)- formaldehyde precent by weight-37.0 to 37.04b)- methanol precent by weight max-1.0 to 2.0c)- acidity (as hcooh) precent by weight max-0.03 d)- iron, ppm, maxe)- specific gravity 25/15.6 0cf)- p h at 25oc g)- odour 24 anti foamerspecification-a)- appearance: brown viscous liquidb)- odour: nil to mild c)- p h : 7 ± 0.3 d)-specific gravity: 1.01 ± 0.04e)- fatty matter equivalent : 40% maximum