共 50 条
- [2] Determination of nitrate nitrogen - A colorimetric method [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY, 1924, 16 : 571 - 572
- [4] NOTES ON THE DETERMINATION OF NITRATE NITROGEN IN CELLULOSE NITRATE BY THE DEVARDA METHOD [J]. CELLULOSE CHEMISTRY AND TECHNOLOGY, 1986, 20 (04): : 403 - 408
- [10] PERCENTAGE OF NITRATE NITROGEN IN TOTAL NITROGEN-DETERMINATION BY KJELDAHL METHOD [J]. ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1989, 33 (03): : 159 - 168