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sklademVydáno: 2024
ISO 11427:2024
ISO 11427:2024-Jewellery and precious metals — Determination of silver — Potentiometry using potassium bromide
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Anglicky PDF
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Francouzsky PDF
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Anglicky Hardcopy
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Francouzsky Hardcopy
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| Označení normy: | ISO 11427:2024 |
| Počet stran: | 5 |
| Vydání: | 3 |
| Vydáno: | 2024 |
| Počet stran (Anglicky): | 5 |
| Počet stran (Francouzsky): | 5 |
DESCRIPTION
ISO 11427:2024
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.