n-Tetracosane Solution 100 ug/ml in Methylene chloride CAS:646-31-1
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n-Tetracosane Solution 2000 ug/ml in Carbon disulfide CAS:646-31-1
S-12603D5-1ML | 1ML
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Methanol Solution 100 ug/ml in Methylene chloride CAS:67-56-1
S-12395X1-1ML | 1ML
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Trietazine Solution 100 ug/ml in Methylene chloride CAS:1912-26-1
S-13666X1-1ML | 1ML
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Methyl methanesulfonate Solution 100 ug/ml in Methylene chloride CAS:66-27-3
S-12444X1-1ML | 1ML
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n-Hexacosane Solution 100 ug/ml in Methylene chloride CAS:630-01-3
S-12548X1-1ML | 1ML
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n-Hexadecane Solution 100 ug/ml in Methylene chloride CAS:544-76-3
S-12549X1-1ML | 1ML
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n-Octadecane Solution 100 ug/ml in Methylene chloride CAS:593-45-3
S-12582X1-1ML | 1ML
CAS号:646-31-1
规格:1ML
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2. 加标回收率应控制在80%-120%;
3. 质控样浓度需覆盖实际样品浓度范围。
2. 浓缩定容:萃取液经氮吹浓缩至近干,用正己烷定容;
3. 仪器分析:GC-MS进样,优化色谱条件(如程序升温)及质谱参数(如选择离子监测模式)。
2. 标准溶液需避光保存于-20℃环境,避免降解;
3. 色谱柱建议选用非极性或弱极性毛细管柱(如DB-5MS)。
以上信息仅供参考,请以相应标准的原文为准!