Recoveries of spiked formaldehyde at the low ppm (微克/毫升) level were between 93% and 102% with relative standard deviations lessthan 8%.翻譯成英文～

熱心網友

在低的ppm 水平用大釘釘牢的甲醛的恢復有有關的標準偏差是在93% 和102%之間少于8%。