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当前位置: 首页 产品中心 标准物质 有机类 混标 乙腈中69种农药混标溶液(GB23200.121-2021-C),50μg/mL 69 Pesticide Mix Solution in Acetonitrile, 50μg/mL
乙腈中69种农药混标溶液(GB23200.121-2021-C),50μg/mL介绍:

产品基本信息:
密度:50μg/mL
储存条件:-20°C±5°C,避光,N2
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
1ST001642143701-75-1异噁唑草酮-二酮腈Isoxaflutole-diketonitrileNoneC15H12F3NO4S359.32
1ST200521634-78-2马拉氧磷MalaoxonNoneC10H19O7PS314.29
1ST2008242509-80-8氯唑磷IsazofosNoneC9H17ClN3O3PS313.74
1ST200916923-22-4久效磷MonocrotophosNoneC7H14NO5P223.16
1ST2009310265-92-6甲胺磷MethamidophosNoneC2H8NO2PS141.12
1ST2009662610-77-9E-虫螨畏E-MethacrifosNoneC7H13O5PS240.21
1ST201137786-34-7速灭磷MevinphosNoneC7H13O6P224.15
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
1ST201252597-03-7稻丰散PhenthoateNoneC12H17O4PS2320.36
1ST2012799675-03-3甲基异柳磷Isofenphos-methylNoneC14H22NO4PS331.37
1ST201671113-02-6氧乐果OmethoateNoneC5H12NO4PS213.19
1ST20168121-75-5马拉硫磷MalathionNoneC10H19O6PS2330.35
1ST2017324353-61-5水胺硫磷IsocarbophosNoneC11H16NO4PS289.29
1ST2022752645-53-1氯菊酯PermethrinNoneC21H20Cl2O3391.29
1ST20237143390-89-0醚菌酯Kresoxim-methylNoneC18H19NO4313.35
1ST202532631-40-5异丙威IsoprocarbNoneC11H15NO2193.24
1ST20298138261-41-3吡虫啉ImidaclopridNoneC9H10ClN5O2255.66
1ST20301150824-47-8E-烯啶虫胺E-NitenpyramNoneC11H15ClN4O2270.72
1ST20343116714-46-6氟酰脲NovaluronNoneC17H9ClF8N2O4492.70
1ST2035423135-22-0杀线威OxamylNoneC7H13N3O3S219.26
1ST2035530558-43-1杀线威-肟Oxamyl-oximeNoneC5H10N2O2S162.21
1ST20363161050-58-4甲氧虫酰肼MethoxyfenozideNoneC22H28N2O3368.47
1ST203741129-41-5速灭威MetolcarbNoneC9H11NO2165.19
1ST20383139968-49-3氰氟虫腙MetaflumizoneNoneC24H16F6N4O2506.40
1ST2039370288-86-7依维菌素IvermectinNoneNANA
1ST2043456-38-2对硫磷ParathionNoneC10H14NO5PS291.26
1ST20446105843-36-5氯噻啉ImidaclothizNoneC7H8ClN5O2S261.69
1ST2044916752-77-5灭多威MethomylNoneC5H10N2O2S162.21
1ST20457121-21-1除虫菊素IPyrethrin INoneC21H28O3328.45
1ST20458121-29-9除虫菊素IIPyrethrin IINoneC22H28O5372.45
1ST20489736994-63-1溴氰虫酰胺CyantraniliproleNoneC19H14BrClN6O2473.71
1ST21011140923-17-7缬霉威IprovalicarbNoneC18H28N2O3320.43
1ST21082881685-58-1吡唑萘菌胺IsopyrazamNoneC20H23F2N3O359.41
1ST21116220899-03-6苯菌酮MetrafenoneNoneC19H21BrO5409.27
1ST2115335554-44-0抑霉唑ImazalilNoneC14H14Cl2N2O297.18
1ST2116436734-19-7异菌脲IprodioneNoneC13H13Cl2N3O3330.17
1ST2116650512-35-1稻瘟灵IsoprothiolaneNoneC12H18O4S2290.40
1ST2117466246-88-6戊菌唑PenconazoleNoneC13H15Cl2N3284.18
1ST2118286598-92-7亚胺唑ImibenconazoleNoneC17H13Cl3N4S411.74
1ST21191125116-23-6叶菌唑MetconazoleNoneC17H22ClN3O319.83
1ST2121857837-19-1甲霜灵MetalaxylNoneC15H21NO4279.33
1ST2122588671-89-0腈菌唑MyclobutanilNoneC15H17ClN4288.78
1ST21244374726-62-2双炔酰菌胺MandipropamidNoneC23H22ClNO4411.88
1ST212592588-03-6甲拌磷亚砜Phorate sulfoxideNoneC7H17O3PS3276.38
1ST2126426087-47-8异稻瘟净IprobenfosNoneC13H21O3PS288.34
1ST21316125225-28-7种菌唑IpconazoleNoneC18H24ClN3O333.86
1ST213301072957-71-1苯并烯氟菌唑BenzovindiflupyrNoneC18H15Cl2F2N3O398.23
1ST21338494793-67-8氟唑菌苯胺PenflufenNoneC18H24FN3O317.41
1ST21342183675-82-3吡噻菌胺PenthiopyradNoneC16H20F3N3OS359.41
1ST2211141394-05-2苯嗪草酮MetamitronNoneC10H10N4O202.21
1ST2213421087-64-9嗪草酮MetribuzinNoneC8H14N4OS214.29
1ST2223977501-63-4乳氟禾草灵LactofenNoneC19H15ClF3NO7461.77
1ST2224442874-03-3乙氧氟草醚OxyfluorfenNoneC15H11ClF3NO4361.70
1ST2224940487-42-1二甲戊灵PendimethalinNoneC13H19N3O4281.31
1ST22267144550-36-7碘甲磺隆钠Iodosulfuron-methyl sodiumNoneC14H13IN5NaO6S529.24
1ST22284208465-21-8甲基二磺隆Mesosulfuron-methylNoneC17H21N5O9S2503.51
1ST2228574223-64-6甲磺隆Metsulfuron-methylNoneC14H15N5O6S381.36
1ST22295330-55-2利谷隆LinuronNoneC9H10Cl2N2O2249.09
1ST2232234123-59-6异丙隆IsoproturonNoneC12H18N2O206.28
1ST2232673250-68-7苯噻酰草胺MefenacetNoneC16H14N2O2S298.36
1ST2232967129-08-2吡唑草胺MetazachlorNoneC14H16ClN3O277.75
1ST2240251218-45-2异丙甲草胺MetolachlorNoneC15H22ClNO2283.79
1ST224192212-67-1禾草敌MolinateNoneC9H17NOS187.30
1ST22487153197-14-9噁嗪草酮OxaziclomefoneNoneC20H19Cl2NO2376.28
1ST2266439807-15-3丙炔噁草酮OxadiargylNoneC15H14Cl2N2O3341.19
1ST22689219714-96-2五氟磺草胺PenoxsulamNoneC16H14F5N5O5S483.37
1ST22882256412-89-2恶唑酰草胺MetamifopNoneC23H18ClFN2O4440.85

您正在浏览的产品:乙腈中69种农药混标溶液(GB23200.121-2021-C),50μg/mL

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标准名称及标准号

GB 23200.121-2021《食品安全国家标准 植物源性食品中331种农药及其代谢物残留量的测定 液相色谱-质谱联用法》

适用范围

本标准适用于植物源性食品(蔬菜、水果、谷物、茶叶等)中331种农药及代谢物残留检测。您使用的乙腈中69种农药混标溶液适用于此标准中对应农药的定量分析。

核心检测方法

1. 样品经乙腈提取后,采用QuEChERS方法净化
2. 液相色谱-串联质谱法(LC-MS/MS)分离检测
3. 多反应监测模式(MRM)进行目标物定量分析
4. 同位素内标法或基质匹配标准曲线法定量

检出限与定量限

1. 方法检出限(LOD):0.0003-0.01 mg/kg
2. 定量限(LOQ):0.001-0.03 mg/kg
注:具体农药的LOQ需通过方法验证确定,您使用的50μg/mL混标溶液需稀释至标准曲线浓度范围(通常0.001-0.2 mg/kg)

质控样品要求

1. 每批样品需做空白对照和加标回收实验
2. 加标浓度建议选择LOQ、10倍LOQ两个水平
3. 回收率接受范围:70%-120%(LOQ水平可放宽至60%-130%)
4. 相对标准偏差(RSD)≤20%

关键实验步骤

1. 提取:试样加入乙腈后涡旋振荡提取
2. 净化:使用QuEChERS净化管(含PSA、C18等吸附剂)
3. 浓缩:氮吹浓缩后复溶至初始流动相体系
4. 仪器分析:梯度洗脱程序(乙腈-0.1%甲酸水溶液)
5. 定性定量:保留时间偏差≤±0.5min,离子丰度比偏差≤±30%

特别说明

1. 乙腈中69种混标溶液需在-18℃避光保存,使用前恢复至室温
2. 注意基质效应验证:当基质效应>±20%时需采用基质匹配标准曲线
3. 同分异构体农药(如菊酯类)需优化色谱分离条件
4. 每24小时需进行系统适用性测试(SSV)
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!