GOST R 50221-1992
Quartz sand ground sandstone, quarzite and veiny quartz for glass industry. Methods for determination of aluminium oxide

Standard No.

GOST R 50221-1992

Release Date

1992

Published By

RU-GOST R

Status

Withdraw 1995-01

Latest

GOST R 50221-1992

GOST R 50221-1992 history

• 1992 GOST R 50221-1992 Quartz sand ground sandstone, quarzite and veiny quartz for glass industry. Methods for determination of aluminium oxide