Anion in inhalable particulate matter can be completely dissolved in water by using ultrasonator and then measured by ion chromatography.Good accuracy and precision can be obtained.
介绍了用超声波振荡法能使可吸入颗粒
阴离
完全
水,然后用离色谱法测定,可获得良好准确度和精密度.
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Hathaway says 2010 was a pivotal year-that's when Purdue Pharma LP, maker of OxyContin, changed the pill's chemistry so it couldn't be crushed into a snortable powder or heated into a vapor for inhaling.
海瑟薇说，2010年是关键的一年，当时，奥施康定的制造企业普渡制药（PurduePharma）改变了药片的化学成分，因此不
将
粉碎成可以用鼻子吸入的粉末，或加热成蒸气吸食。
，
则
