ISO 4802-2:2010
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Glassware Hydrolytic resistance of the interior surfaces of glass containers Part 2: Determination by flame spectrometry and classification
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22-03-2019
English
24-03-2010
ISO 48022:2010 specifies methods for determining the hydrolytic resistance of the interior surfaces of glass containers when subjected to attack by water at (121 1) C for (60 1) min. The resistance is measured by determining the amount of sodium and other alkali metal or alkaline earth oxides in the extraction solution using flame atomic emission or absorption spectrometry (flame spectrometry).
ISO 48022:2010 also specifies a classification of glass containers according to the hydrolytic resistance of the interior surfaces determined by the methods specified in this part of ISO 4802.
The test method specified in ISO 48022:2010 might not be applicable to containers whose surfaces have been treated with silicon (e.g. containers that are ready for direct filling).
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