In the paper, an ashing method was improved to characterize the degree of carboxymethyl substitution of carboxymethyl chitosan.
本文改进了用于测定羧甲基壳聚糖羧甲基取代度的灰分分析法。
It is possible to replace the ashing method by suspension sampling method for the determination of potassium in Chinese medicinal herb by flame atomic absorption spectrometry.
可以用愚浮液进样法取代灰化法处理样品，以火焰原子吸收光谱法测定中草药中的钾。
Detailed discussion was conducted about the impact of factors such as ashing and automation temperature, ashing method of samples, and matrix modifier on the experimental results.
探讨了样品灰化方法及灰化原子化温度、基体改进剂对测定结果的影响。
At the preparation period adopted a method combined evaporation to dryness by water bath and microwave ashing which mostly reduced the losing of metals.
在预处理过程中采用水浴蒸干和微波灰化相结合的方法，大大减少了金属元素的损失。
Dry and dry-wet combination method were used in ashing of grain samples.
谷物样品采用干法为主，干湿结合的办法灰化。
The method of ashing, spectral interferences and selection of the interference-free lines and the optimum spike addition have been studied.
工作中对样品的灰化方法、谱线干扰及测量线对和最佳稀释条件的选择进行了研究。
Owing to reducing the drying sta -ge and omitting the ashing stage, each cycle time will be reduced about 40%. precision results can be obtained with this method.
由于缩短了干燥时间，取消灰化阶段，使每次测定时间缩短约40%，达到快速、准确的分析结果。
Aim: To establish a method of detecting the trace fluorin in vegetable with the open type ashing-acid dissolving-fluoride selective electrode.
目的：建立开放式灰化·酸溶·氟电极测定蔬菜中微量氟的方法。
The proposed method was not only simple in handling without the steps of ashing and acid treatment, but also possessed high sensitivity.
该方法省去了灰化、酸溶等繁琐步骤，不但操作简便，而且灵敏度较高。
The proposed method was not only simple in handling without the steps of ashing and acid treatment, but also possessed high sensitivity.
该方法省去了灰化、酸溶等繁琐步骤，不但操作简便，而且灵敏度较高。
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