實驗背景
測定樣品中的重金屬含量,首要條件就是保證樣品實驗全程不接觸到任何金屬材質的物品;若是處理少量樣品,使用陶瓷研缽即可很好處理樣品;但碰上高通量樣品處理時,使用常規(guī)的研磨器械,總免不了讓樣品接觸到金屬材質的器具;如果樣品還是較難研磨的韌性樣品,那實驗操作起來就相當棘手。
最近,上海凈信就接到了這樣的用戶挑戰(zhàn):測定一次性餐具中的重金屬含量。
這種新型一次性餐具有防水防油的特點,且韌性也較好。這些特點使產品非常符合使用標準,但正因此也增大了樣品研磨的難度。
實驗步驟
需了解具體步驟,請致電廠家
實驗結果
研磨后的樣品呈細膩粉末狀,利于成分含量的測定;且實驗全程使用的器具均為塑料/陶瓷材質,避免了外界因素對于實驗結果的干擾。
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