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關於mg ppm呢類問題研究 - 
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Reason: traces of egg (0.27mg/kg–ppm). Notification...Reason: unauthorised substance morpholine (8.964mg/kg–ppm). Notification...Reason: migration of epoxidised soybean oil (ESBO) (83mg/kg–ppm). Notification... In most cases the conversion was either impossible with the given information or the result was exactly the same in both measurements - ie 0.9mg/L = 0.9ppm. Can anyone with experience please help me out with getting this... i use ro water in hydro and myppmis falling and ph rising..when they eat of theppmcan it then be over fert?..i heard that using ro you NEED to use calmg..i have the 1 from an..how much of theppmshould the calmgbe?..my... Dear All, This question has been raised often on the forum and even now I see a lot of process engineers failing to understand the concept and makin... 10/02/2012, 2012.0200, UK, oxamyl (0.1mg/kg -ppm), courgettes, Spain. 9/02/2012, 2012.0206, Germany, methomyl (0.059mg/kg -ppm), cocktail tomatoes, Morocco, via France. 10/02/2012, 2012.0215, Greece, foreign... |
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