Identity..............................................................................................IR p/t.

l1 of max. ABS in NaOH 0,1 mol/l.......................................... 553-558 nm

l2 of max. ABS in NaOH 0,1 mol/l.......................................... 592-596 nm

T.L.C..................................................................................................... p/t.

MAX. IMPURITIES

pH transition interval:

yellow....................................................................................................3,7

red-purple..............................................................................................5,2

Insoluble matter in H2O......................................................................... p/t.

Loss on drying at 135°C......................................................................5 %

Sensitivity as Al reagent....................................................................... p/t.