About CHEN K
About National Research Center for Certified Reference Naterials, Beijing
About WANG D
About Research Center for Eco-environmental Sciences, Chinese Academy Sciences, Beijing
About Fenxi Huaxue
About chemometrics
About standard addition method
About multielement analysis
About simultaneous analysis
About matrix(mathematics)
About least squares method
About interfering ingredient
About spectrum
About matrix(base)
About calibration curve
About soil analysis
About copper
About zinc
About chromium
About standard substance
About water
About manganese
About quantitative analysis(analytical chemistry)
About trace analysis
About trace constituent
About water quality test
About ICP-AES analysis
About drift(migration)
About soil
About 土
About Physical analysis of other substances
About Soil chemistry
About マトリックス
About 計算
About 標準添加法
About 同時定量