NF ISO 182-3

June 1994

Standard Cancelled

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. Part 3 : conductometric method.

Main informations

Collections

National standards and national normative documents

Publication date

June 1994

Number of pages

17 p.

Reference

NF ISO 182-3

ICS Codes

83.080.20 Thermoplastic materials

Classification index

T51-785-3

Print number

1 - 01/05/1994

International kinship

ISO 182-3:1993

Standard replaced by (1)

NF EN ISO 182-3

December 2000

Standard Cancelled

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 - Part 3 : conductometric method

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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