H3PO4 CONC %W/W	P2O5 CONC %W/W	Freezing Point* °C	Density gm/ml @ 25°C	Ton of Acid Containing 1 Ton P2O5	M3 of Acid Containing 1 Ton P2O5
	93	67.39	27	1.791	1.484	0.828
	85	61.59	21	1.685	1.624	0.964
	80	57.97	0	1.625	1.725	1.061
	75	54.34	-20	1.574	1.840	1.169
	* The real freezing point is actually lower since the acid has supercooling properties which reduces the crystallization temperature. ** The density increases with decreasing temperature, at a rate equal to 0.00077 g/ml for each degree centigrade.

	Element	Unit	Typ	Max
	Fe	ppm	3	5
	Cu	ppm	0.2	0.7
	Ca	ppm	5	10
	Cd	ppm	0.1	0.2
	Ni	ppm	0.2	0.5
	As	ppm	0.4	0.5
	Cr	ppm	0.5	1.5
	V	ppm	0.5	1.0
	F	ppm	7	10
	SO4	ppm	100	109
	Pb	ppm	0.1	0.3
	Cl	ppm	4.0	7.0
	Total Heavy metals	ppm (as Pb)		5

1. Chemical - Manufacture of phosphate salts, STTP, and other alkaline phosphates, both technical and food grade. Manufacture of pigments. Production of Active Carbon. 2. Metal Treatment - Manufacture of phosphatizing compounds for rust proofing, paint, electro-chemical polishing of stainless-steel, aluminium and copper alloys, pickling and metal cleaning. 3. Food - Liquid cleaners, acidulation of soft drinks, particularly Cola; manufacture of cottage and processed cheese, fats and shortenings; pH control in the manufacture of imitation jellies; clarification of fruit juices after liming processes; edible oil refining. 4. Fermentation - Nutrient for the production of yeast; control of bacteria growth in selected processed foods; sugar refining. 5. Petroleum/Plastics - Polymerization of propylene, catalyst to enhance the setting action of synthetic resins. 6. Water Treatment - Treatment of drinking and waste water, descaling of boilers and heat exchangers, water treatment of cooling towers and boilers. 7. Ceramics and others - Manufacture of fire bricks, fire retarding agents, ceramic colors, deying, leather processing, pet food. 8. Fertilizers - Production of foliar and other special liquid fertilizers.

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