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畜牧人

標題: 快速定氮儀比凱氏測定結果都高？ [打印本頁]
作者: 有樂    時間: 2011-4-15 22:07
標題: 快速定氮儀比凱氏測定結果都高？
最近單位新購置了快速定氮儀，測試過程中比凱氏測定結果都高，頭疼。請教一下用過的老師們。
作者: huangyigui    時間: 2011-4-16 10:15
哪要從很幾方面來找原因了，先做硫酸銨、和蔗糖空白，如果都不正常，哪就要找標準溶液和崔化劑的問題？如果都正常，哪就是操作過程有問題。



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