1.1 ,This test method covers the determination of chromic oxide in leathers that have been partly or completely tanned with chromium compounds. In general the samples will contain between 1 and 5 ,% chromium, calculated as chromic oxide.
1.1 ,This test method covers the determination of chromic oxide in leathers that have been partly or completely tanned with chromium compounds. In general the samples will contain between 1 and 5 ,% chromium, calculated as chromic oxide.