芹菜粉中79种农残质控样品/GB 23200.121-2021 79 Mix pesticide residue quality control in celery powder
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芹菜粉中42种农残质控样品/GB 23200.121-2021 42 Mix pesticide residue quality control in celery powder
SHAM_234646 | 10g
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蔬菜粉中10种农残质控样品/GB 23200.121-2021 10 Mix pesticide residue quality control in vegetable powder
SHAM_234591 | 10g
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蔬菜粉中10种农残质控样品/GB 23200.121-2021 10 Mix pesticide residue quality control in vegetable powder
SHAM_234590 | 10g
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蔬菜粉中23种农残质控样品/GB 23200.121-2021 23 Mix pesticide residue quality control in vegetable powder
SHAM_234597 | 10g
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蔬菜粉中31种农残质控样品/GB 23200.121-2021 31 Mix pesticide residue quality control in vegetable powder
SHAM_234599 | 10g
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蔬菜粉中42种农残质控样品/GB 23200.121-2021 42 Mix pesticide residue quality control in vegetable powder
SHAM_234593 | 10g
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蔬菜粉中42种农残质控样品/GB 23200.121-2021 42 Mix pesticide residue quality control in vegetable powder
SHAM_234595 | 10g
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2. 净化:通过PSA或C18固相萃取柱去除干扰物;
3. 浓缩:氮吹至近干,用丙酮定容;
4. 仪器分析:GC-MS进样,程序升温,选择离子监测(SIM)模式。
2. 基质效应需通过空白基质匹配标准曲线校正;
3. 每批次样品需包含空白对照、加标回收和平行样。
以上信息仅供参考,请以相应标准的原文为准!