Registration number (WIID)Project No.TitleStatus
19200ISO/TR 11211:1995Grading polished diamonds — Terminology and classificationAtcelts
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
71216ISO/NP 21599Jewellery — Turquoise — Identification (Specification and test methods)Izstrādē
71215ISO/NP 21598Jewelry — Diamond identification (Specification and test methods)Izstrādē
67069ISO/NP 20111Jewellery — Diamonds — Determination natural diamonds from synthetic, imitation, treated and assembled diamondsIzstrādē
67068ISO/NP 20110Jewellery — Coloured stones — Determination natural colored stones from synthetics, imitations, treated and assembled stonesIzstrādē
62240ISO/NP 18361Turquoise — Specification and test methodsIzstrādē
62239ISO/NP 18360Tourmaline — Specification and test methodsIzstrādē
Displaying 11-20 of 104 results.