Biochem Chemopharma

Alum lake of carminic acid, Cochineal, Nacarat, Natural Red 4

Potassium antimony tartrate, Potassium antimony (III) oxide tartrate

Reagents

TWEEN 20 LR

POLYOXYETHYLENE (20) SORBITTAN MONOLAURATE

(1-Hexadecyl)trimethylammonium bromide; Trimethylhexacecylammonium bromide; Cetrimonium Bromide; CTAB

3',3-Dibromothymolsulfonphthalein

a-Naphthylamine, 1-Aminonaphthalene

Ammonium iron (II) sulphate, Diammonium iron(II) sulphate, Mohr’s salt