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Homepage>BS EN ISO 182-3:2023 Plastics. Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures Conductometric method

sklademVydáno: 2023-12-19

BS EN ISO 182-3:2023

Plastics. Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures Conductometric method

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Označení normy:	BS EN ISO 182-3:2023
Počet stran:	26
Vydáno:	2023-12-19
ISBN:	978 0 539 21380 5
Status:	Standard

DESCRIPTION

BS EN ISO 182-3:2023

This standard BS EN ISO 182-3:2023 Plastics. Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures is classified in these ICS categories:

83.080.20 Thermoplastic materials

The principle of the method is maintaining a test portion of the PVC at an agreed temperature in a nitrogen gas stream, absorbing the hydrogen chloride evolved in a given amount of demineralized water, and potentiometrically determining the amount of hydrogen chloride evolved in relation to the recorded change in conductivity of the water. The method is recommended for compounded PVC materials and products only, although it can be used for polymers in powder form under appropriate conditions.

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