Masking agent

Analysis of Effects of Phosphate Masking Agent in Boiler Water

锅炉炉水中磷酸盐掩蔽剂的掩蔽效果分析

The Influences of the Masking Agent on the Determination Results of COD

COD测定中掩蔽剂对测定结果的影响

The influence of masking agent on adhesion of composite resin

遮色剂对复合树脂粘结力影响的研究

The Study and Application of the Descriptive Chemistry of the Masking Agent in Fast Chemical Analysis

快速化学分析中掩蔽剂的作用规律及其应用研究

Study on the Ration of Masking Agent Influencing the Determining Accuracy of Calcium

定量掩蔽对测钙准确度影响的研究

The Influences of Optimum Acidity Range by Masking Agent in Extraction Spectrometric Determination

掩蔽剂对萃取光度分析适宜酸度范围的影响

Qualitative selectivity of masking agent and quantitative discussion of masking effect in Analytical Chemistry

分析化学中掩蔽剂及解蔽剂的定性选择和掩蔽效应的定量讨论

Preparation of Masking Agent by Degradation of Black Wattle Extract

用黑荆树皮栲胶制备新型蒙囿剂

Study on Phytic Acid as a Masking Agent in Complexometric Titration of Copper

植酸在络合滴定铜时作为掩蔽剂的研究

Determination of Trace Copper and Zinc in Hair by Spectrophotometry with 5-Br-PADAP and Multiple Masking Agent

头发中微量铜和锌的5-Br-PADAP分光光度法测定

Simultaneous Determination of Tungsten (ⅵ ) and Molybdenum (ⅵ ) by Principal Component Regression and Masking Agent

主成分回归-催化动力学-掩蔽法同时测定钼和钨

In addition , this research may pave the way for further study of the masking agent of the heavy metal ions .

为深入研究重金属离子掩蔽剂奠定基础。

The EDTA was used as a masking agent . The boron can be directly detected without the process of separation .

研究了共存组份的干扰，采用EDTA掩蔽，不经分离可直接测定硼。

On the Photometric Determination of Nickel with Dimethylglyoxime Using Potassium Sodium Tartrate and EDTA as Masking Agent

酒石酸钾钠&乙二胺四乙酸二钠作掩蔽剂丁二酮肟测镍的方法研究

Our method is suitable for determination of low Hg in the HgS after roasting in the existence of masking agent .

焙烧后的硫汞矿中的低含量汞，在掩蔽剂存在下用本法测定，结果较好。

Methods Metal ions of two adicity were utilized as masking agent for the development of less-painful formulations .

方法利用二价金属离子对盐酸吡硫醇结构的掩蔽作用，制成无痛型注射液。

By experimental verification , it has been found that the determining accuracy of calcium was improved by quantifying the content of masking agent .

实验结果表明，对干扰组分定量掩蔽，可提高测钙的准确度。

This method has been applied to the determination of microamount of copper in aluminum alloys with sodium fluoride as a masking agent .

采用氟化钠作掩蔽剂，可不经分离，直接测定铝合金中的微量铜。

Thiacetamide ( TAA ) was used as masking agent for chlorite .

加入硫代乙酰胺（TAA）作掩蔽剂测定ClO2~-。

The relationship between the absorbency and the dosages of developer , and of the masking agent has been investigated .

考察了显色剂用、掩蔽剂用量及显色时间与吸光度的关系。

The method had the character of high accuracy and good repeatability . It might replace EDTA titration with KI as the masking agent .

方法准确、重复性好，可以代替以KI为掩蔽剂的EDTA滴定法。

Through adding masking agent to mask interfering ions , after samples was burned to ashes at 700 ℃ for at least 4 h.

在700℃将样品灰化4h以上，通过加入掩蔽剂来掩蔽干扰离子。

Experimental results show that after adding the ionic masking agent , effectively improve the copper powder antioxidant properties , and the main influence factors is the coated and mole ratio .

实验结果表明：离子掩蔽剂法制备的铜银双金属粉末具备了优良的抗氧化性能，其主要影响因素为包覆量及摩尔比。

Methods The content of magnesium in drinking water was directly determined by air-acetylene flame atomic emission spectrometry using hydrochloric acid as media and lanthanum solution as masking agent .

方法以盐酸为介质，镧盐为掩蔽剂，直接采用乙炔-空气原子发射法测定饮用水中镁。

The possibility of using EDTA as a masking agent for copper in the photo-metric determination of nickel by the dimethyglyoxime method has been investigated .

本文报告用丁二肟法比色测定镍时，用EDTA作为铜的隐蔽剂的可能性。

This is to study the effect of TISAB as masking agent of metal ions and pH conditioning agent of ion to the determination of total fluorine in toothpaste by ion selective electrode method .

〔目的〕探讨TISAB溶液作为金属离子掩蔽剂和OH-离子的pH调节剂对氟离子选择电极测定牙膏氟含量的影响。

A method for determination of water-soluble Sb (ⅲ) and Sb (ⅴ) in soil by hydride generation atomic fluorescence spectrometry ( HG-AFS ) with sodium fluoride as a masking agent was been developed .

提出了以NaF作掩蔽剂，氢化物发生原子荧光（HGAFS）测定土壤中水溶态的Sb（Ⅲ）和Sb（Ⅴ）的方法。

Lead in flour was determined by hydride atom fluorescence spectrometry . The apparatus parameters , the flow rate of carrier gas and sheath gas , the amount of media and masking agent were determined after experiment .

利用AFS-920双道原子荧光光度计，采用氢化物-原子荧光法测定面粉中的铅含量，通过试验确定了仪器工作参数，载气、屏蔽气流量，介质和掩蔽剂的用量等。

In addition , interference of some common cations and anions were also studied . The paper used potassium sodium tartrate as masking agent to conceal the interference of Al3 + and Cd2 + .

另外，还研究了常见的一些阳离子和阴离子对铜测定的干扰情况，用酒石酸钾钠溶液进行掩蔽，有效地掩蔽了A13+、Cd2+对测定的干扰。

The interference of Pb2 + , Cu2 + and Fe3 + ions could eliminated the using EDTA as the masking agent . The influence of natural or synthetic pigments could eliminated by corrected method .

以EDTA为掩蔽剂可消除Pb2＋、Cu2＋、Fe3＋等离子的干扰，用空白减差法可消除合成及天然色素等物质的影响。