CAJ | 학술논문

建立了测定蔬菜和水果中代森锰锌残留量的顶空气相色谱法。代森锰锌在密闭容器中于70℃保温30 min，被氯化亚锡-2.0 mol/L硫酸溶液酸解生成二硫化碳，二硫化碳气体经顶空自动进样器后用气相色谱(电子捕获检测器）检测。代森锰锌溶液的质量浓度在0.000～1.500μg/mL范围内与色谱峰面积有良好的线性关系，相关系数为0.9991，在蔬菜和水果不同基质中的回收率为98%～104%，相对标准偏差为1.52%～1.97%，检出限为0.05 mg/kg，定量限为0.10 mg/kg。该方法简单、快速、准确，适用于蔬菜和水果中代森锰锌残留检测分析。
건립료측정소채화수과중대삼맹자잔류량적정공기상색보법。대삼맹자재밀폐용기중우70℃보온30 min，피록화아석-2.0 mol/L류산용액산해생성이류화탄，이류화탄기체경정공자동진양기후용기상색보(전자포획검측기）검측。대삼맹자용액적질량농도재0.000～1.500μg/mL범위내여색보봉면적유량호적선성관계，상관계수위0.9991，재소채화수과불동기질중적회수솔위98%～104%，상대표준편차위1.52%～1.97%，검출한위0.05 mg/kg，정량한위0.10 mg/kg。해방법간단、쾌속、준학，괄용우소채화수과중대삼맹자잔류검측분석。
Determination method of Mancozeb residues in fruit and vegetables by head-space gas chromatography (HS-GC)was established. Mancozeb released carbon disulfide gas with stannous chloride -2.0 mol/L sulfuric acid by heating at 70℃for 30 mins in closed container. Carbon disulfide gas was determined by HS-GC with ECD detector. The pretreatment method was optimized and the method was used to determine the residues of Mancozeb in fruits and vegetables. The method was verified by linear regression(0.999 1)within 0.000-1.500 μg/mL, the recovery was 98%-104%, RSD of the method was 1.52%-1.97%,LOD was 5×10-2 mg/kg and LQD was 0.10 mg/kg. This method was quick,accurate and simple for wide use in testing of residues of Mancozeb in vegetables and fruits.