1) Microwave dustization HNO 3 HClO 4 disappear and boil
微波干灰化HNO3-HClO4法
2) HNO 3 HClO 4 disappear and boil
HNO3-HClO4消化法
1.
There ways HNO 3 HClO 4 disappear and boil,H 2SO 4 H 2O 2 disappear and boil,microwave dustization HNO 3 HClO 4 disappear and boil were compared to study advantage of three mothods.
本文通过大量试验对测定蔬菜中铅含量的三种前处理方法———HNO3-HClO4消化法、H2 SO4 H2 O2 消化法、微波干灰化HNO3 HClO4法进行比较研究 ,证明微波干灰化HNO3-HClO4法具有氧化完全 ,药品用量少 ,无污染等优点。
3) HNO 3-HClO 4mixed acid
HNO3-HClO4混酸
4) HNO3-H2O2-HClO4 digestion
HNO3-H2O2-HClO4消解
5) microwave ashing
微波灰化
1.
Determination of Trace Lead in Exported Wheat Starch by Microwave Ashing-Hydride Generation-Atomic Fluorescence Spectrometry;
微波灰化-氢化物发生-原子荧光光谱法测定出口小麦淀粉中痕量铅
2.
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。
3.
Microwave ashing was used for the pre-treatment of vegetable oil and hydride generation atomic fluorescence spectrometry was employed for the further determination.
采用微波灰化对植物油进行前处理,用氢化物原子荧光光谱法对植物油进行测定。
6) dry ashing
干法灰化
1.
In the present experiment,most plant samples ashed by conventional dry ashing were solved completely when ascorbic was added.
在常规的干法灰化中,采用Vc助溶,大多数植物样品都能获得清亮的待测溶液。
2.
A method has been studied for the determination of cadmium in arenga pinnata (Wurmb) Merr flour by dry ashing-graphite furnace atomic absorption spectrometry(GFAAS) method, and the optimum condition of determination by GFAAS was studied.
研究建立干法灰化消化样品,石墨炉原子吸收光谱法检测桄榔粉中痕量镉的方法;并对石墨炉原子吸收光谱法的测定条件进行优化。
3.
By dry ashing instead of wet digestion,the interference of pH and perchlorate were resolved.
182-2003中样品处理方法做了改进,用干法灰化代替湿法消解,解决了国标方法中由于pH值和高氯酸对显色反应的影响造成检测结果不准确的问题。
补充资料：干法灰化
分子式：
CAS号：
性质：分析化学中使试样所含有机物质受到破坏，并使痕量待测物质进行富集的一种化学处理技术。将试样放入容器内，直接在空气中加热到400～800℃，灰化残渣溶解于溶剂中。此法不能用于易挥发性元素，否则造成严重损失。由于不引入试剂，可免于外来物质对测定的干扰。
CAS号：
性质：分析化学中使试样所含有机物质受到破坏，并使痕量待测物质进行富集的一种化学处理技术。将试样放入容器内，直接在空气中加热到400～800℃，灰化残渣溶解于溶剂中。此法不能用于易挥发性元素，否则造成严重损失。由于不引入试剂，可免于外来物质对测定的干扰。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条