【序号】: 1 【作者】: Per Tingvall 【题名】: Determination of nitrogen with copper as catalyst for high-temperature digestion 【 期刊】: Analyst 【年、卷、期】: 1978, 103, 406 - 409 【全文链接】:http://www.rsc.org/ejarchive/AN/1978/AN9780300406.pdf
【序号】: 2 【作者】: A. R. Selmer-Olsen 【题名】: Determination of ammonium in soil extracts by an automated indophenol method 【 期刊】: Analyst, 【年、卷、期】: 1971, 96, 565 - 568 【全文链接】:http://www.rsc.org/ejarchive/AN/1971/AN9719600565.pdf
【序号】: 3 【作者】: J. Keay and P. M. A. Menage 【题名】: Automated distillation procedure for the determination of nitrogen 【 期刊】: Analyst, 【年、卷、期】: 1969, 94, 895 - 899 【全文链接】:http://www.rsc.org/ejarchive/AN/1969/AN9699400895.pdf 【序号】: 4 【作者】: P. L. Searle; T. W. Speir 【题名】: An automated colorimetric method for the determination of urease activity in soil and plant material 【 期刊】: Communications in Soil Science and Plant Analysis 【年、卷、期】: Volume 7 Issue 4 1976 【全文链接】: http://www.informaworld.com/smpp/content~content=a905361193~db=all~order=page 【序号】: 5 【作者】: Gg Hoffmann, K. Teicher 【题名】: Ein kolorimetrisches Verfahren zur Bestimmung der Ureaseaktivität in Böden 【 期刊】: Zeitschrift für Pflanzenernährung, Düngung, Bodenkunde 【年、卷、期】:1961 Volume 95 Issue 1, Pages 55 - 63 【全文链接】:http://www3.interscience.wiley.com/cgi-bin/fulltext/114088790/PDFSTART