standard adding method

基本解釋

Method of adding iron needs a national standard;
金屬離子護(hù)色方法需有國家標(biāo)準(zhǔn)；
Objective: Adding two titrant standard solution volumes affecting acid base double point potentiometric method accuracy are discussed.
目的：探討兩次加入滴定劑標(biāo)準(zhǔn)溶液的體積對酸堿雙點(diǎn)電位滴定法準(zhǔn)確度的影響。
The paper described the theory of static headspace gas chromatography , including multiple phase equilibration method, various gas-liquid phase ratio method and standard adding method.
系統(tǒng)討論了靜態(tài)頂空氣相色譜的原理，包括多次相平衡法、改變相比法和標(biāo)準(zhǔn)加入定量法。