silver assay 中文意思是什麼
silver assay
解釋
白銀鑒定-
Standard practice for silver corrections in metal bearing ores, concentrates, and related metallurgical materials by fire assay slag recycling and cupel proof gravimetry
通過燃燒試驗熔渣再利用和灰皿驗證重量測定法修正含金屬礦精礦和相關冶金材料中的銀值的標準規程 -
Standard practice for fire assay silver corrections in analysis of metal bearing ores, concentrates, and related metallurgical materials by silver determination in slags and cupels
用爐渣和灰吹盤中的銀測定法在含金屬礦物濃縮物及相關冶金材料的分析中測定火試金法銀修正值的標準實施規范 -
Standard practice for proof silver corrections in metal bearing ores, concentrates and related materials by fire assay gravimetry
用火試金重量分析法驗證含金屬礦物濃縮物及相關材料中銀修正值的標準實施規范 -
Copper, lead and zinc sulfide concentrates - determination of gold and silver - fire assay gravimetric and flame atomic absorption spectrometric method
銅鉛和硫化鋅精礦.金和銀含量測定.火試金法和火焰原子吸收光譜法
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