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Norm
ISO 8661:1988
Issue date: 1988 05 19
Caprolactam for industrial use — Determination of volatile bases content — Titrimetric method after distillation
The volatile bases are distilled in alkaline medium under specified conditions and collected in a known volume of a standard volumetric hydrochloric acid solution in the ...
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Withdrawn
: 2022 02 21
Publisher:
International Organization for Standardization
Format:
Digital | 3 Pages
Language:
English
ICS
The volatile bases are distilled in alkaline medium under specified conditions and collected in a known volume of a standard volumetric hydrochloric acid solution in the presence of an indicator. The excess of the acid is titrated with a standard volumetric sodium hydroxide solution.