实验背景
测定样品中的重金属含量,首要条件就是保证样品实验全程不接触到任何金属材质的物品;若是处理少量样品,使用陶瓷研钵即可很好处理样品;但碰上高通量样品处理时,使用常规的研磨器械,总免不了让样品接触到金属材质的器具;如果样品还是较难研磨的韧性样品,那实验操作起来就相当棘手。
最近,上海净信就接到了这样的用户挑战:测定一次性餐具中的重金属含量。
这种新型一次性餐具有防水防油的特点,且韧性也较好。这些特点使产品非常符合使用标准,但正因此也增大了样品研磨的难度。
实验步骤
需了解具体步骤,请致电厂家
实验结果
研磨后的样品呈细腻粉末状,利于成分含量的测定;且实验全程使用的器具均为塑料/陶瓷材质,避免了外界因素对于实验结果的干扰。
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