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

l of max. ABS in NaOH 0,1 mol/l........................................... 574-578 nm

A 1%, 1 cm, lmax..............................................................................≥875

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

MAX. IMPURITIES

pH transition inteRval:

red.........................................................................................................1,2

yellow....................................................................................................2,8

yellow....................................................................................................7,4

purple....................................................................................................9,0

Loss on drying at 135°C......................................................................1 %