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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

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Kehtetu alates 04.12.2023
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Kuupäev
Tüüp
Nimetus
04.12.2023
Põhitekst
13.06.2016
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ISO 4802-1:2010
ISO 4802-1:2016 specifies:
a)   a method for determining the hydrolytic resistance of the interior surfaces of glass containers when subjected to attack by water at 121 �C � 1 �C for 60 min � 1 min. The resistance is measured by titration of a known aliquot portion of the extraction solution produced with hydrochloric acid solution, in which case the resistance is inversely proportional to the volume of acid required;
b)   a classification of glass containers according to the hydrolytic resistance of the interior surfaces determined by the methods specified in ISO 4802-1:2016.

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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
Kehtetu alates 04.12.2023