NBN T 96-202-1989 工作場(chǎng)所空氣.甲醛濃度測(cè)定.伴有被吸附的二硝基苯腙的衍生作用,伴有乙腈的解吸附和高性能液體色譜分析
Work place atmospheres - Determination of formaldéhyde concentration - Method by derivatization with DNPH adsorbed on C 18 cartrigdes, désorption with acetonitrile and HPLC analysis