Registration number (WIID)Project No.TitleStatus
62232ISO/NP 18351Opal — Specification and test methodsIzstrādē
24453ISO/WD 15092Test methods for the use of polished diamonds — Terminology and classificationIzstrādē
24454ISO/WD 15095Jewellery — Determination of palladium in palladium jewellery alloys with a minimum fineness of 999/1000 by ICP-solution-spectrometric methodIzstrādē
62239ISO/NP 18360Tourmaline — Specification and test methodsIzstrādē
62238ISO/NP 18359Topaz — Specification and test methodsIzstrādē
86716ISO/WD 21261-2Jewellery and precious metals — Responsible precious metals — Part 2: Minimum rules and procedures for conformity assessment schemesIzstrādē
62235ISO/NP 18355Ruby — Specification and test methodsIzstrādē
77587ISO/PWI 24016-2Jewellery and precious metals Grading Polished DiamondsIzstrādē
92254ISO/PWI 15096Jewellery and precious metals — Determination of high purity silver — Difference method using ICP-OESIzstrādē
92253ISO/PWI 15093Jewellery and precious metals — Determination of high purity gold, platinum and palladium — Difference method using ICP-OESIzstrādē
Displaying 81-90 of 104 results.