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丙酮中50种农药混标溶液,100μg/mL_
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丙酮中50种农药混标溶液,100μg/mL

1ST021231-100B 50 Pesticide Mix Solution in Acetone, 100μg/mL {{goodObj.price > 0 ? '¥' + goodObj.price : '咨询'}} ¥{{goodObj.sell_price || 0}} 咨询 1mL {{goodObj.date}} First Standard {{item.norm}} 100μg/mL {{inventory}}
丙酮中50种农药混标溶液,100μg/mL介绍:

产品基本信息:
密度:100μg/mL
产品组分信息:
货号CAS号中文名称英文名称规格浓度分子式分子量
1ST200012921-88-2毒死蜱ChlorpyrifosNoneC9H11Cl3NO3PS350.59
1ST20020319-84-6α-六六六α-HCHNoneC6H6Cl6290.83
1ST20021319-85-7β-六六六β-HCHNoneC6H6Cl6290.83
1ST2002258-89-9γ-六六六γ-HCHNoneC6H6Cl6290.83
1ST20023319-86-8δ-六六六δ-HCHNoneC6H6Cl6290.83
1ST20027115-29-7硫丹EndosulfanNoneC9H6Cl6O3S406.93
1ST2004882-68-8五氯硝基苯QuintozeneNoneC6Cl5NO2295.33
1ST200916923-22-4久效磷MonocrotophosNoneC7H14NO5P223.16
1ST2009310265-92-6甲胺磷MethamidophosNoneC2H8NO2PS141.12
1ST20094333-41-5二嗪磷DiazinonNoneC12H21N2O3PS304.34
1ST2009762-73-7敌敌畏DichlorvosNoneC4H7Cl2O4P220.98
1ST2009860-51-5乐果DimethoateNoneC5H12NO3PS2229.26
1ST2010813194-48-4灭线磷EthoprophosNoneC8H19O2PS2242.34
1ST20111122-14-5杀螟硫磷FenitrothionNoneC9H12NO5PS277.23
1ST20117947-02-4硫环磷PhosfolanNoneC7H14NO3PS2255.30
1ST20120950-37-8杀扑磷MethidathionNoneC6H11N2O4PS3302.33
1ST201232588-04-7甲拌磷砜Phorate sulfoneNoneC7H17O4PS3292.38
1ST20124298-02-2甲拌磷PhorateNoneC7H17O2PS3260.38
1ST2012799675-03-3甲基异柳磷Isofenphos-methylNoneC14H22NO4PS331.37
1ST2013213071-79-9特丁硫磷TerbufosNoneC9H21O2PS3288.43
1ST20140298-00-0甲基对硫磷Parathion-methylNoneC8H10NO5PS263.20
1ST2014430560-19-1乙酰甲胺磷AcephateNoneC4H10NO3PS183.17
1ST2015541198-08-7丙溴磷ProfenofosNoneC11H15BrClO3PS373.63
1ST201671113-02-6氧乐果OmethoateNoneC5H12NO4PS213.19
1ST20168121-75-5马拉硫磷MalathionNoneC10H19O6PS2330.35
1ST2016913593-03-8喹硫磷QuinalphosNoneC12H15N2O3PS298.30
1ST201722310-17-0伏杀硫磷PhosaloneNoneC12H15ClNO4PS2367.81
1ST2017324353-61-5水胺硫磷IsocarbophosNoneC11H16NO4PS289.29
1ST201813689-24-5治螟磷SulfotepNoneC8H20O5P2S2322.32
1ST2018856-72-4蝇毒磷CoumaphosNoneC14H16ClO5PS362.77
1ST20189732-11-6亚胺硫磷PhosmetNoneC11H12NO4PS2317.32
1ST2020368359-37-5氟氯氰菊酯CyfluthrinNoneC22H18Cl2FNO3434.29
1ST2021082657-04-3联苯菊酯BifenthrinNoneC23H22ClF3O2422.87
1ST2021152315-07-8氯氰菊酯CypermethrinNoneC22H19Cl2NO3416.30
1ST2022239515-41-8甲氰菊酯FenpropathrinNoneC22H23NO3349.42
1ST2022352918-63-5溴氰菊酯DeltamethrinNoneC22H19Br2NO3505.20
1ST20225102851-06-9氟胺氰菊酯tau-FluvalinateNoneC26H22ClF3N2O3502.93
1ST2022752645-53-1氯菊酯PermethrinNoneC21H20Cl2O3391.29
1ST2023270124-77-5氟氰戊菊酯FlucythrinateNoneC26H23F2NO4451.46
1ST2043456-38-2对硫磷ParathionNoneC10H14NO5PS291.26
1ST20436944-22-9地虫硫磷FonofosNoneC10H15OPS2246.33
1ST2043824017-47-8三唑磷TriazophosNoneC12H16N3O3PS313.31
1ST2109150471-44-8乙烯菌核利VinclozolinNoneC12H9Cl2NO3286.11
1ST2116436734-19-7异菌脲IprodioneNoneC13H13Cl2N3O3330.17
1ST21189119446-68-3苯醚甲环唑DifenoconazoleNoneC19H17Cl2N3O3406.26
1ST2120243121-43-3三唑酮TriadimefonNoneC14H16ClN3O2293.75
1ST2122632809-16-8腐霉利ProcymidoneNoneC13H11Cl2NO2284.14
1ST212592588-03-6甲拌磷亚砜Phorate sulfoxideNoneC7H17O3PS3276.38
1ST2501696489-71-3哒螨灵PyridabenNoneC19H25ClN2OS364.93
1ST25044115-32-2三氯杀螨醇DicofolNoneC14H9Cl5O370.49

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以上信息仅供参考,请以实物批次为准!

本公司销售的所有产品仅供实验科研使用,不用于人体及临床诊断。

标准名称及标准号
GB 23200.113-2018
食品安全国家标准 植物源性食品中208种农药及其代谢物残留量的测定 气相色谱-质谱联用法
适用范围
适用于蔬菜、水果、谷物等植物源性食品中208种农药残留的定量检测,包含有机磷、有机氯、拟除虫菊酯等常见农药类别
核心检测方法
1. 样品经乙腈提取后采用QuEChERS方法净化
2. 气相色谱分离条件:程序升温(初始40℃保持1min,以40℃/min升至120℃,再以5℃/min升至300℃)
3. 质谱检测器:电子轰击电离源(EI),选择离子监测模式(SIM)
检出限与定量限
检出限(LOD): 0.001-0.01 mg/kg(不同农药有差异)
定量限(LOQ): 0.005-0.05 mg/kg,需满足信噪比(S/N)≥10的要求
质控样品要求
1. 每批次样品需做空白对照和加标回收实验
2. 加标浓度:LOQ、2倍LOQ、10倍LOQ三个浓度水平
3. 回收率范围:70%-120%,RSD≤20%
4. 每20个样品需插入质控样和标准曲线验证点
关键实验步骤
1. 样品提取: 10g样品+10mL乙腈振荡提取,加入氯化钠盐析分层
2. 净化: 取上清液经PSA和GCB吸附剂净化
3. 浓缩定容: 40℃氮吹至近干,丙酮定容至1mL
4. 上机分析: 进样量1μL,分流比10:1,溶剂延迟3min
5. 定性定量: 保留时间偏差±0.2min,特征离子丰度比偏差≤20%
特别说明
1. 丙酮中50种农药混标需用前恢复至室温,震荡混匀后使用
2. 易降解农药(如克百威)需现配现用,避免多次冻融
3. 含硫农药(如毒死蜱)需在进样前加入抗氧化剂
4. 石墨化炭黑(GCB)净化剂会吸附平面结构农药,叶类蔬菜慎用
5. 方法验证需满足《GB/T 27404-2008》实验室质量控制要求

以上信息仅供参考,请以相应标准的原文为准!