GOST R 50568.4-1993
Urea for industrial use. Determination of colority of formaldehyde solution in Hasen's units (platinum - cobalt scale)

Standard No.

GOST R 50568.4-1993

Release Date

1993

Published By

RU-GOST R

Status

Withdraw 2016-01

Latest

GOST R 50568.4-1993

Scope

This standard specifies a method for determining the color of a formaldehyde solution of urea (urea) in Hazen units (platinum-coba).

GOST R 50568.4-1993 history

• 1993 GOST R 50568.4-1993 Urea for industrial use. Determination of colority of formaldehyde solution in Hasen's units (platinum - cobalt scale)