The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.
试样以过氧化,
浸取、酸化,定容。
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The researchers prepared two meal plans for 8 volunteers— an acidifying one, where the foods had higher amounts of phosphate in them and participants drank a low-pH water and an alkaline one with loads of calcium and a high-pH water.
一种是酸性饮食,他们的食物磷酸盐含量偏高,并且参与者饮用的是低酸碱值的水,另一种则是碱性饮食,含有大量的钙和高酸碱值的水。