ballpoint pen ink

Key work:optimization;orthogonal design;c apillary electrophoresis;ballpoint pen ink;buffer syste

实验结果表明,该体系作为毛细管电泳分析蓝色圆珠笔油墨缓冲运行液的最佳配比为:55mmol/L硼砂～40mmol/LSDS溶液和40%(V/V)的乙腈,溶液为pH9。

105 kinds of blue ballpoint pen ink handwriting were analyzed by high performance liquid chromatography.

在此条件下分析了 10 5种市售的不同生产厂家和牌号蓝色圆珠笔油墨的字迹色痕 ,并依据有色成分的差异将这些同色油墨分成了 6大类 ,考察了纸张的影响因素及在该条件下分析结果的重现性和精密度 ,为进一步分析鉴定圆珠笔字迹色痕的形成时间提供了有利条

Totally 22 types of red ballpen inks from different regions and factories were identified by non-destructive and quantitative method.

本研究采用无损定量分析法,对国内不同地区、不同厂家生产的22种红色圆珠笔油墨进行了检测。

A high performance liquid chromatography(HPLC) method was established to analyze black ballpoint pen inks by using acetonitrile-NH4HCO3(10 mmol/L)(60∶40,by volume) as mobile phase and detecting at 580 nm.

建立了黑色圆珠笔油墨字迹色痕的高效液相色谱法的分析条件和实验方法,采用乙腈-NH4HCO3溶液(10 mmol/L)(体积60∶40)为流动相,检测波长580 nm,同时利用质谱法作为佐证。

Determining the Differentiation of the Species of Ballpoint Pen Inks by Reversed Phase HPLC;

反相HPLC法鉴别蓝圆珠笔油墨的种类

DATING OF HANDWRITING WRITTIN WITH CHINA -MADE BALLPOINT PEN INKS;

国产圆珠笔油墨字迹书写时间的鉴别

Dating of ballpoint inks;

圆珠笔油墨字迹书写时间鉴别的研究

Analysis of Black Ballpoint Pen Inks by High Performance Liquid Chromatography;

黑色圆珠笔油墨的高效液相色谱法分析

OPTIMIZATION OF THE BUFFER SYSTEM FO R THE CAPILLARY ELECTROPHORESIS ASSAY OF BLUE BALLPOINT P EN INK WITH O RTHOGONAL DESIGN;

正交法优化分析蓝色圆珠笔油墨的缓冲体系

Classification of blue ballpoint pen inks by principal component analysis

基于主成分分析的蓝色圆珠笔油墨分类研究

Discrimination of Blue Ballpoint Pen Inks by Nonaqueous Capillary Electrophoresis

非水毛细管电泳法区分蓝色圆珠笔油墨的研究

Determination of the Writing Age of Blue Ballpoint Ink by Gas Chromatography;

气相色谱法确定蓝色圆珠笔油墨字迹的形成时间

manufacture technology of erasable ball-point pen and its ink

可擦性圆珠笔及其油墨的制造技术

Classification of Blue Ballpoint Pen Inks and Blue Gel Pen Inks Using Chemometrics Methods

化学计量学方法对蓝色圆珠笔和签字笔油墨的分类研究

written in biro, ink, pencil, etc

用圆珠笔、 墨水、 铅笔等写的

Ball pen is cheap and has not the trouble of filling ink.

圆珠笔既便宜又没有灌墨水的麻烦。

Most people now use ballpoints rather than ink.

现在多数人舍墨水而使用圆珠笔了。

Study of luminescence of inks in infrared region;

签字笔水、圆珠笔油红外发光特性的研究

An Evaluation of Ballpoint Ink Dating Techniques;

油性圆珠笔字迹书写时间鉴定的研究综述

Research of Blue Ballpoint Pen Inkblot Based on Confocal Micro-Raman Spectroscopy

基于共焦显微拉曼光谱的蓝色圆珠笔墨迹的研究

I looked all over for my pen.

我到处寻找我的圆珠笔。

I like to write with a ball-pen.

我喜欢用圆珠笔写字。