This standard was last reviewed and confirmed in 2020.
Therefore this version remains current.
Abstract
PreviewSpecification of a semi-quantitative method. The content of free ammonia in a moulded article is of importance, when corrosion of metal inserts or contamination in contact with the article has to be considered. Distillation of the aqueous extract from a powdered test portion, coloration of the distillate by reaction with Nessler reagent and comparison of the colour with that of standard matching solutions.
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Status: PublishedPublication date: 1977-10
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Edition: 1Number of pages: 2
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- ICS :
- 83.080.10 Thermosetting materials
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| Format | Language | |
|---|---|---|
| std 1 40 | ||
| std 2 40 | Paper |
- CHF40
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