UNI 7221-1973
Technology, pharmaceutical and sanitary glass products. Determination of boron in hydrolysis transfer

Standard No.

UNI 7221-1973

Release Date

1973

Published By

IT-UNI

Status

Withdraw

Replace By

UNI 7221-1999

Latest

UNI 7221-1999

Scope

This standard establishes the method for determining, by colorimetric dosage with carminic acid, the traces of boron in releases due to hydrolytic attack according to UNI 5304-73.

UNI 7221-1973 history

• 0000 UNI 7221-1999
• 1973 UNI 7221-1973 Technology, pharmaceutical and sanitary glass products. Determination of boron in hydrolysis transfer