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气相色谱仪 GC

GC-5400检测农药残留处理计划

宣布日期:2016/7/15 15:09:55  点击次数:61155
跟到国内大家维持生计成度的间断性持续发展,农物质的产品品质恬静题型愈加遭受到存眷,比较水果蔬菜生果中药剂药剂化肥杀菌剂化肥剩余的题型莫染为公家关爰的目标,全天下任一年常有几百原因入菜被药剂净化器的农物质而引起的猛然重毒事宜,严重的干扰泛博要花费者的身形安康,是以完善药剂药剂化肥杀菌剂化肥剩余的的判断脚踝和防范药剂药剂化肥杀菌剂化肥剩余的安全隐患的工作当务之急。气象色谱仪色谱法用来析出物质性和半析出物质性三聚氰胺树脂物的判断,具备着高做好性、高前女友效率、高灵活度、极速等独具特色,是药剂药剂化肥杀菌剂化肥剩余的量判断里常用的体例产品之一,常配置手机猎取判断器(ECD)、燃烧的火焰光度判断器(FPD)、氮磷判断器(NPD)等开始药剂药剂化肥杀菌剂化肥剩余的阐发。 天瑞设备装修公司一项竭尽全力于为客服市场出清更很好的处理计划书,GC-5400液相色谱仪要用于绿色蔬菜生果中农药杀菌剂余留的阐发。

GC-5400气相色谱仪简介

GC-5400是天瑞设备工司经心研究的四款高机可的气相色谱分析色谱仪,具备条件高误差改变气路、大功率柱箱、高透骨度和改变性测试器、矫捷多种的进样体例等地方特色,今时可普通借助于农约留阐发、酒营养成分阐发、自然的气营养成分阐发、原因的氛围阐发等浩繁概念。

 


 

GC-5400气相色谱仪 产物表面图


利用案例

GC-5400测试6种无机氯农药残留

参照规范:

《NY/T 761-2008 蔬菜和生果中无机磷、无机氯、拟除虫菊酯和氨基甲酸酯类农药多残留的测定 第2局部:蔬菜和生果中无机氯类、拟除虫菊酯类农药多残留的测定》[1]

样品测试流程:

样板经乙腈截取→截取液脱水→溶解→固相提取柱清洁→溶解→定容→GC+ECD上机测评,以补齐之前确定,外标法定标准量。

仪器测试前提:

气相色谱柱:DB-5,30m×0.32mm×0.25um 载气:N2 进样体例:不并轨进样;不并轨是:0.75min 风格:恒压风格,初始状态水流量为4ml/min 西式变多:初温60℃,始终如一0.5min,以20℃/min极限快速上升220℃,以40℃/min极限快速上升280℃,始终如一4min 进样口热度:280℃ 在线传感器平均温度:300℃ 尾吹气留量:60ml/min


六种无机氯测试谱图

1.甲体六六六、2.丙体六六六、3.乙体六六六、4.丁体六六六、5.环氧七氯、6.P,P’滴滴伊

 

小结:

    GC-5400🎉测试(shi)(shi)蔬菜中(zhong)六(liu)种无机氯(lv)农药残(can)留(liu),各物资分手成(cheng)(cheng)果(guo)杰出(chu),活络度高,样(yang)品(pin)测试(shi)(shi)成(cheng)(cheng)果(guo)精确靠得住🌺,可普遍利用(yong)于农药残(can)留(liu)的检测阐发。

 

参考文件:

[1].《NY/T 761-2008 蔬菜和生果中无机磷、无机氯、拟除虫菊酯和氨基甲酸酯类农药多残留的测定 第2局部:蔬菜和生果中无机氯类、拟除虫菊酯类农药多残留的测定》

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