ISO 11427:1993 PDF

ISO 11427:1993 PDF

Name:
ISO 11427:1993 PDF

Published Date:
05/01/1993

Status:
Active

Description:

Determination of silver in silver jewellery alloys -- Volumetric (potentiometric) method using potassium bromide

Publisher:
International Organization for Standardization

Document status:
Active

Format:
Electronic (PDF)

Delivery time:
10 minutes

Delivery time (for Russian version):
200 business days

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$17.4
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The principle of the method specified is dissolving the sample in dilute nitric acid and determining the silver content of the resulting solution by titration with standard potassium bromide solution, using a potentiometric indication of the equivalence point. The alloys, preferably within the range of fineness stated in ISO 9202, 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.


File Size : 1 file , 660 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 3
Published : 05/01/1993
Same As : ISO 11427:1993

History

ISO 11427:2024
Published Date: 04/01/2024
Jewellery and precious metals - Determination of silver - Potentiometry using potassium bromide
$16.2
ISO 11427:2014
Published Date: 11/01/2014
Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide
$16.2
ISO 11427/Cor1:1994
Published Date: 11/01/1994
Corrigendum
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ISO 11427:1993
Published Date: 05/01/1993
Determination of silver in silver jewellery alloys -- Volumetric (potentiometric) method using potassium bromide
$17.4

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