摘要
采用非抑制型电导检测离子色谱法分离测定甲胺磷中间体精胺沉淀物中的无机离子。以2.5mmol/L邻苯二甲酸+2.4mmol/L三羟甲基氨基甲烷水溶液为淋洗液,沉淀中检出Cl-和SO42-;以6mmol/LHNO3水溶液为淋洗液在沉淀中检出NH4+。用该法分析精胺沉淀物中的无机离子经济、简便、快速。
A non-suppressed ion chromatographic method with conductivity detector for the separation and determination of inorganic ions of DMPAT was developed. Cl^-and SO4^2- were determined with 2,5 mmol/L phthalic acid and 2,4 mmol/L trishydroxymethl aminomethane as eluent; NH4^＋ was determined with 6.0 mmol/L nitric acid as eluent, The main inorganic compounds were ammonium chloride and ammonium sulfate in the precipitate of DMPAT, It＇s economical, convenient and rapid to use this method for the analysis of precipitate of DMPAT.
出处
《现代农药》
CAS
2006年第6期25-26,31,共3页
MODERN AGROCHEMICALS
关键词
离子色谱法
甲胺磷
精胺
ion chromatography
methamidophos
DMPAT
