cupellation

基本解釋

After being smelted with fire assay and enriched with cupellation method,the precious metal is decomposed with chloroazotic acid.
試樣經(jīng)火試金法熔煉和灰吹富集后,貴金屬合粒以王水分解,在鹽酸介質中,用火焰原子吸收分光光度法測定鈀量。
We assayed in a cupel.
我們在灰皿中化驗。
A refining process for nonoxidizing metals, such as silver and gold, in which a metallic mixture is oxidized at high temperatures and base metals are separated by absorption into the walls of a cupel.
烤缽冶金法一種使銀和金等金屬不氧化的提純過程，在高溫下金屬混合物被氧化，低劣金屬被分離出來并吸入烤缽的墻上
Keywords Silver assay;cupellation loss;
鉛試金法;灰吹損失;銀測定;
Test Method for Determination of Gold in Bullion by Cupellation
用吹灰法測定金條中純金的測試方法