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
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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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青菜粉中28种农残质控样品/GB 23200.121-2021 28 Mix pesticide residues quality control in green vegetable powder
SHAM_234658 | 10g
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青菜粉中28种农残质控样品/GB 23200.121-2021 28 Mix pesticide residues quality control in green vegetable powder
SHAM_234655 | 10g
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2. 乙腈提取;
3. 分散固相萃取净化(PSA/C18/GCB);
4. 仪器分析前滤膜过滤。
2. 盐析分层;
3. Florisil柱净化;
4. 氮吹浓缩定容。
以上信息仅供参考,请以相应标准的原文为准!