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ISO 4802-2:2016

Glassware -- Hydrolytic resistance of the interior surfaces of glass containers -- Part 2: Determination by flame spectrometry and classification

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Kehtetu alates 04.12.2023
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Staatus
Kuupäev
Tüüp
Nimetus
04.12.2023
Põhitekst
13.06.2016
Põhitekst
Põhitekst
ISO 4802-2:2010
ISO 4802-2:2016 specifies:
a)   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);
b)   a classification of glass containers according to the hydrolytic resistance of the interior surfaces determined by the methods specified in ISO 4802-2:2016.
The test method specified in ISO 4802-2:2016 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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ISO 4802-1:2016

Glassware -- Hydrolytic resistance of the interior surfaces of glass containers -- Part 1: Determination by titration method and classification
Kehtetu alates 04.12.2023