干燥箱 capable of being controlled at a temperature within the range of (105 ± 2) °C and in which the air atmosphere changes between three times and five times per hour. | 用于在恒定溫度下對樣品進行干燥的設備,以測量其水分含量。 |
天平 having sufficient accuracy to enable the sample and drying container, as received, to be weighed to the nearest 0,1 g. | 用于精確稱量樣品和容器重量的工具。 |
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