果蔬汁中三唑磷、杀扑磷质控样品/GB 23200.113-2018 Triazophos,methidathion quality control in fruit and vegetable juice
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果蔬汁中三唑磷、敌敌畏、甲胺磷质控样品/GB 23200.121-2021 Triazophos,dichlorvos and methamidophos quality control in fruit and vegetable juice
SHAM_234363 | 30mL
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果蔬汁中毒死蜱、氯氰菊酯质控样品/GB 23200.113-2018 Chlorpyrifos,cypermethrin quality control in fruit and vegetable juice
SHAM_234365 | 30mL
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果蔬汁中5种农药质控样品/GB 23200.121-2021 5 Mix pesticides quality control in fruit and vegetable juice
SHAM_234358 | 30mL
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果蔬汁中氨基态氮质控样品/GB/T 12143-2008 Amino nitrogen in fruit and vegetable juice
SHAM_135053 | 100mL
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果蔬汁中三唑磷、杀扑磷分析质控样品
NCS190006 | 100mL
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果蔬汁中杀扑磷质控样品(杀扑磷0.473mg/kg)
P57446 | 30g
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果汁中硝酸盐质控样品/GB 5009.33-2016 Nitrate quality control in fruit juice
SHAM_234665 | 30mL
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2. 通过QuEChERS或固相萃取(SPE)净化;
3. 氮吹浓缩后定容,经GC-MS/MS分析;
4. 使用内标法或基质匹配标准曲线定量。
2. 仪器需定期校准并验证灵敏度;
3. 若检测值接近定量限,需通过增加平行样数量提高准确性。
以上信息仅供参考,请以相应标准的原文为准!