Status : Published (Under review)
This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
Format Language
PDF
Paper
  • CHF61
Convert Swiss francs (CHF) to your currency

Abstract

This International Standard establishes criteria for the purity of photographic-grade anhydrous sodium sulfite and

specifies the tests to be used to determine the purity.

General information

  • Status
     : Published
    Publication date
     : 2001-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 3
    Number of pages
     : 7
  • Technical Committee :
    ISO/TC 42
    ICS :
    37.040.30 
  • RSS updates
Standard first page

Read sample 

Preview this standard in our Online Browsing Plateform (OBP)

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)

  2. Store
  3. Standards catalogue
  4. TC
  5. ISO/TC 42
  6. ISO 418:2001