Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-determination of chromium in water by graphite furnace atomic absorption spectrophotometry
02a0034008;he amu|||bauu;¥65.71;20011205d1994 ekmy0engy01;eng;a z 000yy;r;Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-determination of chromium in water by graphite furnace atomic absorption spectrophotometry;[microfiche];Betty Mclain;Reston;USGS;1994;1 sheet;Open File Report;U.S. Geological Survey;no.93-449;2252;aOpen File Report ; fU.S. Geological Survey ; vno.93-449;美国地调所全国水质实研室的分析方法--用石墨炉原子吸收分光光度测定法对水中铬的测定;a492.2;Mclain;Betty;101;jMF 1914 ; r¥65.71;MF 1914;MF 1914;a02;b1