DIN 52240-4:1994 Testing of raw materials for the production of glass; chemical analysis of limestone with a minimum content of 95% calcium carbonate; determination of aluminium oxide
This document specifies the photometric determination of the aluminium oxide content of limestone with a minimum content of 95% calcium carbonate.
DIN 52240-4:1994 history
1994DIN 52240-4:1994 Testing of raw materials for the production of glass; chemical analysis of limestone with a minimum content of 95% calcium carbonate; determination of aluminium oxide