ISO 6791:1981
p
ISO 6791:1981
13289

Status : Published (To be revised)

This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
This standard will be replaced by ISO/CD 6791
en
Format Language
std 1 42 PDF
std 2 42 Paper
  • CHF42
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.

Read sample 

Preview this standard in our Online Browsing Platform (OBP)

General information

  •  : Published
     : 1981-11
    : International Standard to be revised [90.92]
  •  : 1
     : 3
  • ISO/TC 226
    71.100.10 
  • RSS updates

Life cycle

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)