1) ashing method
灰化法
1.
Through ashing method to treat sample of chlorinated paraffin,using the mixed reagent of Na_2CO_3-MgO-KOH as ashing fixative,adding excessive Ag~+ for precipitation of Cl~-and determining Ag~+ in the filtrate by flame atomic absorption spectrometry,chlorine was indirectly determined.
以Na2CO3-MgO-KOH为灰化固定剂,灰化法处理氯化石蜡样品,加入过量Ag+沉淀Cl-,通过火焰原子吸收光谱法测定银以间接测定氯。
2.
This article reports on an experiment in which the sodium chloride in soysauce is determined by the ashing method instead of the GB/T5009 39-1996 method.
运用灰化法改进ＧＢ／Ｔ ５００９·３９－ １９９６ 测定酱油中食盐的滴定终点，相对标准偏差０４０ ％ ～０６３ ％ ，回收率９７１７ ％ 。
3.
Digestion was used,not the ashing method for chromium bio-macromolecular samples.
05,另外,用灰化法对含微量铬的生物样品进行预处理,有可能使本来不含Cr(Ⅵ)的样品产生Cr(Ⅵ),而含Cr(Ⅵ)的样品测不出Cr(Ⅵ)。
2) incineration
[英][in,sinə'reiʃən] [美][ɪn,sɪnə'reʃən]
灰化法
1.
The Au(Ⅲ) adsorbed were released by incineration, and then determined by flame atomic adsorption spectrometry.
考察了树脂粒度、吸附时间、金的起始浓度、酸度等对吸附性能的影响 ,试验了共存元素的干扰情况 ,用灰化法解脱 ,火焰原子吸收法检测 ,方法的检出限为 0 。
3) ignition method
灰化法
1.
A comparison of efficiency of different assistants used in phosphorus determination by ignition method with Na_4p_2O_7 as standard phosphorus;
灰化法磷测定中不同灰化助剂的效果比较:以焦磷酸钠作为磷标样
4) ashing
['æʃiŋ]
灰化法
1.
After pre-procession for the sample of meets by many ways of ashing and digest, an optimum pre-procession for sample is chosen.
通过多种消化法和灰化法对肉类样品进行预处理后,选出最佳的样品预处理方法,对各类肉样用二乙二硫代氨甲酸钠比色法测定其铜离子含量,简单讨论了使用不同饲料和猪牛肉不同部位铜离子舍量的差异及铜对人体的影响。
5) 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。
6) dry ashing
干灰化法
1.
Ten plant samples from three Mn mine wastelands in Guangxi were collected and determined for Pb,Cd and Cu concentrations by using acid digestion and dry ashing pretreatment respectively.
用酸消解法与干灰化法分别处理广西3个锰矿废弃地的10种植物样品,并用原子吸收分光光度计测定其Pb、Cd和Cu的含量。
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