化学分析计量
化學分析計量
화학분석계량
CHEMICAL ANALYSIS AND METERAGE
2014年
4期
92-94
,共3页
微波消解%原子吸收分光光度法%玻璃纤维滤筒%固定污染废气%铅
微波消解%原子吸收分光光度法%玻璃纖維濾筒%固定汙染廢氣%鉛
미파소해%원자흡수분광광도법%파리섬유려통%고정오염폐기%연
microwave digestion%atomic absorption spectrophotometer%glass fiber cartridge%stationary pollution emission%lead
采用原子吸收分光光度法测定固定源污染废气中的铅时，微波消解玻璃纤维滤筒后，按照直接稀释、赶酸、加硼酸3种方式处理样品进行测定，比较了这3种处理方式的操作性和测定结果的准确性。玻璃纤维滤筒空白样用直接稀释、赶酸、加硼酸3种方式处理，测定结果分别为0.56，0.25，0.21 mg／L，加标回收率分别为84%，95%，85%。直接稀释定容测定，方法简便，但准确度较低；赶酸后测定，方法准确度高，但耗时长。
採用原子吸收分光光度法測定固定源汙染廢氣中的鉛時，微波消解玻璃纖維濾筒後，按照直接稀釋、趕痠、加硼痠3種方式處理樣品進行測定，比較瞭這3種處理方式的操作性和測定結果的準確性。玻璃纖維濾筒空白樣用直接稀釋、趕痠、加硼痠3種方式處理，測定結果分彆為0.56，0.25，0.21 mg／L，加標迴收率分彆為84%，95%，85%。直接稀釋定容測定，方法簡便，但準確度較低；趕痠後測定，方法準確度高，但耗時長。
채용원자흡수분광광도법측정고정원오염폐기중적연시，미파소해파리섬유려통후，안조직접희석、간산、가붕산3충방식처리양품진행측정，비교료저3충처리방식적조작성화측정결과적준학성。파리섬유려통공백양용직접희석、간산、가붕산3충방식처리，측정결과분별위0.56，0.25，0.21 mg／L，가표회수솔분별위84%，95%，85%。직접희석정용측정，방법간편，단준학도교저；간산후측정，방법준학도고，단모시장。
Lead in stationary pollution emissions was determined by atomic absorption spectrophotometry. Samples were pretreated by direct dilution,driving acid,adding boric acid three ways after microwave digestion of glass fiber filter tube. The accuracy and operation of three pretreatment methods were compared. The blank value of the three pretreatment methods were 0.56,0.25,0.21, respectively, and the recoveries were 84%, 95%,85%, respectively. The direct dilution method is simple, but its accuracy is lower. The driving acid method has higher accuracy, but it needed long time.
