ISO 3451-3:1984

Plastics — Determination of ash — Part 3: Unplasticized cellulose acetate

Publication date: May 1, 1984

General information

Current stage: 90.93 Effective date: Jun 7, 2023

Originator: ISO

Owner: ISO/TC 61/SC 5

Type: International Standard

ICS: 83.080.20

Languages: French English

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Status: Published

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Scope

Specifies a method for the determination of the ash unplasticized cellulose acetate, free of additives, fillers, dyes or other materials, which may affect the result. -Ignition of a test portion and calcination in a muffle furnace maintained at 575 C or 850 C (as agreed). Higher temperatures such as 850 C will convert carbonates to the oxides and thus give lower values. The general instructions in ISO 3451/1 shall be followed.