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Homepage>BS EN ISO 11427:2024 Jewellery and precious metals. Determination of silver. Potentiometry using potassium bromide

BS EN ISO 11427:2024

Jewellery and precious metals. Determination of silver. Potentiometry using potassium bromide

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Označení normy:	BS EN ISO 11427:2024
Počet stran:	12
Vydáno:	2024-04-19
ISBN:	978 0 539 20558 9
Status:	Standard

DESCRIPTION

BS EN ISO 11427:2024

This standard BS EN ISO 11427:2024 Jewellery and precious metals. Determination of silver. Potentiometry using potassium bromide is classified in these ICS categories:

39.060 Jewellery

This document specifies a volumetric method for the determination of silver on a material considered homogeneous. The silver content of the sample lies preferably between (100 and 999,0) parts per thousand (‰) by mass. Fineness above 999,0 ‰ can be determined using a spectroscopy method by difference (e.g. ISO 15096). This method is intended to be used as the reference method for the determination of fineness in alloys covered by ISO 9202.

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