Amino Trimethylene Phosphonic Acid(ATMP) 50% liquid
Active acid: % 50%min;
ATMP %:40%min;
Phosphorous acid (as PO33-)%：3.5 max；
Phosphoric acid (asPO43- )% ：0.8 max；
Chloride (as Cl-)%：1.0max；
pH value（1％ solution）：2.0 max；
Fe (as Fe2+) (ppm)： 20;
Density （20℃）g/cm3:1.3 min;
Colour APHA (Hazen):125max
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