單項選擇題

【A1型題】One of the main advantages of a graphite-furnace atomizer is that（）

A.It requires only very small quantities of a sample
B.It requires metal.ions in aqueous solution
C.It does not produce background emission like a flame
D.It does not get hot like a flame

你可能感興趣的試題

單項選擇題

【A1型題】The purpose of the ashing step in graphite-furnace atomic-absorption spec-troscopy is to（）

A.Vaporize metal atoms to be analyzed
B.Cause the metal species to form carbides which are more volatile
C.Convert the graphite furnace to ash to avoid carbide formation
D.Burn off organic species that would interfere with the elemental analysis

單項選擇題

【A1型題】The purpose of the flame in flame atomic-absorption spectroscopy is to（）

A.Purify the sample
B.Desolvate and atomize the analyte atoms in a sample
C.Excite the analyte atoms
D.Ionize the analyte atoms

日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美 国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

【A1型題】One of the main advantages of a graphite-furnace atomizer is that（）

你可能感興趣的試題

【A1型題】The purpose of the ashing step in graphite-furnace atomic-absorption spec-troscopy is to（）

【A1型題】The purpose of the flame in flame atomic-absorption spectroscopy is to（）

日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线