ISO 6791:1981

Published (Edition 1, 1981)

This publication was last reviewed and confirmed in 2020. Therefore this version remains current.

ISO 6791:1981

CHF 43

Convert Swiss francs (CHF) to your currency

Abstract

Specifies a conventional gravimetric method for the determination. A test portion ist reated with quinoline in a beaker at 70 to 80 °C for 15 to 20 min. Then the dissolved test portion and the residue are brought to a Hartley funnel fitted with a filter pad, and are filtered. The washed and dried residue on the filter pad is weighed.

General information

Status
: Published

Publication date
: 1981-11

Stage
: International Standard to be revised [90.92]
Edition
: 1

Number of pages
: 3
Technical Committee :
ISO/TC 226

ICS :
71.100.10
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