黑龙江环境通报
黑龍江環境通報
흑룡강배경통보
HEILONGJIANG ENVIRONMENTAL JOURNAL
2014年
1期
39-40
,共2页
赵雨峰%董茂坤%刘婧祎%张颖
趙雨峰%董茂坤%劉婧祎%張穎
조우봉%동무곤%류청의%장영
湿式消解%石墨炉原子吸收%鱼类肌肉组织%铅
濕式消解%石墨爐原子吸收%魚類肌肉組織%鉛
습식소해%석묵로원자흡수%어류기육조직%연
Wet Digestion%Graphite Furnace Atomic Absorption%Fish muscle tissue%Lead
采用湿式消解法进行前处理,石墨炉原子吸收光谱法测定鱼类肌肉组织内铅的含量,测定仪器采用波长283．3nm,狭缝1．3nm,灯电流9mA,干燥温度120℃,20s；灰化温度450℃,20s,原子化温度2000℃,5s,背景校正为直流塞曼效应。其含量为0．120-0．361mg/kg,相对标准偏差(RSD)为1．80%,回收率为97．8%-101%。
採用濕式消解法進行前處理,石墨爐原子吸收光譜法測定魚類肌肉組織內鉛的含量,測定儀器採用波長283．3nm,狹縫1．3nm,燈電流9mA,榦燥溫度120℃,20s；灰化溫度450℃,20s,原子化溫度2000℃,5s,揹景校正為直流塞曼效應。其含量為0．120-0．361mg/kg,相對標準偏差(RSD)為1．80%,迴收率為97．8%-101%。
채용습식소해법진행전처리,석묵로원자흡수광보법측정어류기육조직내연적함량,측정의기채용파장283．3nm,협봉1．3nm,등전류9mA,간조온도120℃,20s；회화온도450℃,20s,원자화온도2000℃,5s,배경교정위직류새만효응。기함량위0．120-0．361mg/kg,상대표준편차(RSD)위1．80%,회수솔위97．8%-101%。
We used wet digestion method of pretreatment and determined lead in fish muscle tissue with graph-ite furnace atomic absorption spectrometry. Wavelength of measuring instrument was 283. 3nm, slit was 1. 3nm, lamp current was 9mA, drying temperature was 120 ℃, 20s; ashing temperature was 450 ℃, 20s, atomization temperature was 2000 ℃, 5S, background correction was DC Zeeman effect. The content of lead was 0. 120 - 0. 361mg/kg, the relative standard deviation ( RSD ) was 1. 80%, the recovery rate was 97. 8% -101%.
