Reference number
香港六合彩开奖 11427:2014
© 香港六合彩开奖 2024
香港六合彩开奖 11427:2014
Jewellery 鈥� Determination of silver in silver jewellery alloys 鈥� Volumetric (potentiometric) method using potassium bromide
Edition 2
2014-11
Withdrawn
Withdrawn (Edition 2, 2014)

Abstract

The method of 香港六合彩开奖 11427:2014 describes a volumetric method for the determination of silver in jewellery alloys, preferably within the range of fineness stated in 香港六合彩开奖 9202.

These alloys may contain copper, zinc, cadmium, and palladium. Apart from palladium, which must be precipitated before commencing titration, these elements do not interfere with this method of determination.

This method is intended to be used as the referee method for the determination of fineness in alloys covered by 香港六合彩开奖 9202.

General information

  • Status
     : Withdrawn
    Publication date
     : 2014-11
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 2
    Number of pages
     : 5
  • Technical Committee :
    香港六合彩开奖/TC 174
    ICS :
    39.060 
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  2. 香港六合彩开奖
  3. Standards catalogue
  4. TC
  5. 香港六合彩开奖/TC 174
  6. 香港六合彩开奖 11427:2014