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戒心0104

新虫 (初入文坛)

[求助] 气相色谱测挥发性脂肪酸遇到的问题? 已有2人参与

用气相色谱测挥发性脂肪酸时:
1:用什么溶液洗进样针针头?
2:做标样时,大部分文献说要加甲酸酸化,可是甲酸本身也会出峰啊!
拜托大家了
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yan1984

铁虫 (正式写手)

【答案】应助回帖

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戒心0104: 金币+2, ★有帮助 2015-08-11 21:55:20
1用你的稀释液
2甲酸出峰没关系,只要不影响你的目标峰就行
2楼2015-08-07 16:27:37
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lastdancer10

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戒心0104: 金币+2, ★有帮助 2015-08-11 21:55:38
先将脂肪酸甲酯化处理   溶剂应该是用乙醚好点
3楼2015-08-08 16:48:43
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