IS 11636-1986
Method for determination of indigo intensity in substances

Standard No.

IS 11636-1986

Release Date

1987

Published By

IN-BIS

Latest

IS 11636-1986

Scope

This standard prescribes two methods for estimation of pure colouring matter (indigotine) present in the commercially available natural and synthetic indigo in power or paste form or in the form of concentrated solution of leuco compound.

IS 11636-1986 history

• 1987 IS 11636-1986 Method for determination of indigo intensity in substances