Product description

Form of manufacture: Standard samples in the form of chips are supplied in plastic jars with screw caps. wire with a diameter of 1 mm; plates from 0.3 to 0.4 mm thick, 20 mm wide; round plates with a thickness of 0.3 to 0.4 mm and a diameter of 20 mm; — chips with a grain size of not more than 1 mm. The chip weight is not less than 10 g. Shelf life: unlimited Metrological characteristics GSO Certified value With Au, % Error of the certified value From 8754-2006 0.11 ±0.01 8755-2006 0,49 ±0,01 8756-2006 1,97 ±0,03 8757-2006 4,95 ±0,04 8758-2006 10,05 ±0,04 8759-2006 29,94 ±0,07 8760-2006 50,02 ±0,06 8761-2006 79,88 ±0,06 8762-2006 89,91 ±0,08 8763-2006 98,97 ±0,05 GSO 12579-2024 standard sample of the composition of gold ligature (WITH Zl77) CO is an alloy of gold, silver and copper. The material is made in the form of chips with a grain size of not more than 1 mm. The samples are supplied in plastic jars with screw caps weighing at least 10 g. Shelf life - 05/01/2054 Metrological characteristics Certified characteristic Certified value, % Absolute Mass fraction of gold 77,758 Mass fraction of silver 17,222 GSO 12580-2024 is a standard sample of the composition of gold ligature (CO Zl82) CO is an alloy of gold, silver and copper. The material is made in the form of chips with a grain size of not more than 1 mm. The samples are supplied in plastic jars with screw caps weighing at least 10 g. Expiration date - 05/01/2054 Metrological characteristics Certified characteristic Certified value, % Absolute Mass fraction of gold 82.28 Mass fraction of silver 14.76

Detailed description

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