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- Oxalic acid matrix modifier 草酸基体改进剂
- The influence of different concentration of oxalic acid matrix on elemental inductively coupled plasma mass spectrometry(ICP-MS) was investigated. 研究了不同浓度乙二酸介质对元素电感耦合等离子体质谱(ICP-MS)行为的影响。
- A salt or an ester of oxalic acid. 草酸盐草酸的盐或酯
- Oxalic acid is always formed during the reaction. 在反应过程中,乙二酸总是会生成的。
- The yield of oxalic acid dihydrate is70.0%. 以木屑为原料草酸二水合物收率可达70.;0%25。
- Ascorbic acid and ammonium dihydrogen phosphate solution were used as the matrix modifier. 采用抗坏血酸和磷酸二氢铵作混合基体改进剂，热解涂层石墨管，塞曼扣背景。
- Methods Arsenic in cosmetics was determined by graphite furnace atomic absorption spectrometry with citric acid as a matrix modifier. 方法利用基体改进剂,应用石墨炉原子吸收光谱法分析化妆品中砷。
- Hydrochloric Acid, Cationic Surfactant, Perfume, Oxalic Acid, Dye. 产品成份：盐酸、阳离子表面活性剂、草酸、香精、颜料。
- The ameliorating effect of oxalic acid was most apparent. 3种有机酸中草酸对铅胁迫的缓解作用最明显。
- On determination, using phosphoric acid as matrix modifier, it not only eliminated the effect of matrix, but also improved the precision of all kinds of elements. 在测定中采用了磷酸为基体改进剂，它不仅可以消除基体的干扰，并可使各种元素测定的精密度得到很大改善。
- Primary by-products range from benzoquinone to maleic acid and oxalic acid. 中间产物主要为苯醌、马来酸、草酸等，
- To treat(a specimen)with an oxalate or oxalic acid. 用草酸盐或草酸处理（样品）
- When HCl was selected as acid medium and ascorbic acid was selected as matrix modifier to determine Co.The sensitivity of the method was enhanced .The linear range was satisfactory. 以盐酸为介质、抗坏血酸作基体改进剂的测定体系对抑制干扰、提高分析灵敏度、扩大线性范围具有较好效果。
- Used oxalic acid many times,but I failed.It seems not lacquer but silver. 用脱漆济;草酸;除了几边也退不掉;好象不是漆是银.
- Tartrate solution and zirconyl chloride were used as the matrix modifier for coating graphite tube. 采用酒石酸-锆复合溶液作基体改进剂，锆涂层热解石墨管为原子化器。
- The yield of oxalic acid dihydrate is up to 80% under the optimum condition. 确定了最佳工艺条件，在此条件下，草酸二水合物收率可达80%25。
- Methods:Using the matrix modifier,cadmium in the bean milk powder was determined with GFAAS. 方法:应用基体改进剂,用石墨炉原子吸收光谱法测定豆奶粉中的镉。
- The process of determination for lead in paint material of inside wall by graphite furnace atomic absorption spectroscopy using (NH_4)_2HPO_4 as matrix modifier is desc ribed. 本文描述了用(NH_4)_2HPO_4作基体改进剂、石墨炉原子吸收法直接测定内墙涂料中铅的方法。
- This shows that the determiation of elements with different volatility by ETV-ICP-AES with PTFE as matrix modifier is probable. 这表明，以PTFE为基体改进剂ETV－ICP－AES测定不同挥发性元素Ti、Ni和Pb是可能的。
- To treat(a specimen) with an oxalate or oxalic acid. 用草酸盐或草酸处理（样品）
