TT SN	criteria	Unit of calculation
			Liquid form		Powder form
			Type 10%	Type 17%
1 1	Appearance	–	Yellow or pale yellow solution
2 2	Density (at 25⁰C temperature)	–	min 1,19	min 1,350
3 3	Al2O3 Content, min	%	10	17
4 4	alkalescence	%	40 ÷ 85	40 ÷ 90
5 5	Impurities insoluble in water, max	%	0,15	0,2
	Solution pH 1% in water	–	3,5 ÷ 5	3,5 ÷ 5
7	Fe Content, Max	ppm	100	150
8	Hg Content, Max	ppm	0,1	0,2
9	As Content, Max	ppm	2	3
10	Cd Content, Max	ppm	2	3
11	Pb Content, Max	ppm	2	3
12	Cr Content, Max	ppm	2	3

Liquid PAC 10% -17%