PT - JOURNAL ARTICLE AU - Roberts, C. F. TI - On the estimation of chlorates and nitrates, and of nitrites and nitrates, in one operation AID - 10.2475/ajs.s3-46.273.231 DP - 1893 Sep 01 TA - American Journal of Science PG - 231--235 VI - s3-46 IP - 273 4099 - http://www.ajsonline.org/content/s3-46/273/231.short 4100 - http://www.ajsonline.org/content/s3-46/273/231.full SO - Am J Sci1893 Sep 01; s3-46