It is applicable to substances or their derivatives which are volatilized under the temperatures employed.
气相色谱法适用于在运用温度下挥发的物质或其衍生物.
The oxalic acid was cauterize in the muffle at 200 ℃ until fully volatilized. The solution pH was adjusted with drop ( 1+ 1) hydrochloric acid ( the congo red test paper change color from red to blue) to about 4 to remove carbon dioxide.
在马弗炉(200℃)灼烧至草酸全部挥发,滴加(1+1)盐酸,使刚果红试纸由红变蓝色(或调节pH到4左右),除去二氧化碳。
简答网 · 英语词汇
简答网 · 双语娱乐资讯
简答网 · 高考英语
简答网 · 初中英语作文