aqueous sample的例句大全

a method for the liquid liquid micro extraction and gas chromatographic analysis of trace phenol in small amount of aqueous sample has been developed.

建立了小量水样痕量苯酚的液液微萃取气相色谱分析法。

methanol from aqueous sample can be concentrated and separated with microdistillation, analyzed by gas chromatography with flame ionization detection.

通过微蒸馏方法将水中的甲醇与基体分离，并且同时富集微量甲醇，用气相色谱法分析，氢焰检测器检测。

here, peg is used as a pseudo-liquid, separated from the aqueous sample by a layer of nonpolar polymer.

在这里，PEG通过一个无极性聚合膜从样品溶液中分离出来而被用作一种准液体。

study on analysis of trace phenol in small amount of aqueous sample by liquid-liquid micro-extraction and gas chromatography

小量水样痕量苯酚的液-液微萃取气相色谱分析

epoxide content is determined by dissolving the sample in aqueous acetic acid in the presence of crystal violet, and titrating with hbr to a bluish green endpoint.

环氧化物含量由在结晶紫存在下在含水乙酸中溶解样品测定，然后用HBr滴定至蓝绿终点。

It'shows that 0.2 ppb of Ag + can be quantitatively absorbed from aqueous solution sample.

水样中0.2ppbAg~+可定量被吸附.

Direct spectrophotometric determination of Trace Au in au& fe sample by TMK in aqueous phase

用TMK水相分光光度法直接测定含铁试样中痕量金