Sample pretreatment for the capillary electrophoretic determination of organic acids in chromium(III) plating baths

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F15%3A10318268" target="_blank" >RIV/00216208:11310/15:10318268 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1002/jssc.201500946" target="_blank" >http://dx.doi.org/10.1002/jssc.201500946</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/jssc.201500946" target="_blank" >10.1002/jssc.201500946</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Sample pretreatment for the capillary electrophoretic determination of organic acids in chromium(III) plating baths

Popis výsledku v původním jazyce

This work deals with the development and optimization of the sample pretreatment and consequent electrophoretic analysis of two modern plating baths containing chromium(III) and either citric acid or oxalic acid. Some model mixtures containing known amounts of components of industrial baths have been prepared to simulate simplified bath matrices. Prior to analysis, a sample pretreatment consisting of the addition of some agents that could release acid from the stable chromium complex was tested. Determination of organic anions was accomplished by indirect UV detection. The best results were achieved by precipitation of chromium(III) hydroxide. The content of oxalate and citrate in real samples was calculated as 96.5% (SD 2.3%) and 97.3% (SD 0.8%), respectively, of the declared amount. Very good robustness of the method and satisfactory repeatability of migration time and peak area were obtained. This simple inexpensive method is suitable for routine determination of citric and oxalic a

Název v anglickém jazyce

Sample pretreatment for the capillary electrophoretic determination of organic acids in chromium(III) plating baths

Popis výsledku anglicky

This work deals with the development and optimization of the sample pretreatment and consequent electrophoretic analysis of two modern plating baths containing chromium(III) and either citric acid or oxalic acid. Some model mixtures containing known amounts of components of industrial baths have been prepared to simulate simplified bath matrices. Prior to analysis, a sample pretreatment consisting of the addition of some agents that could release acid from the stable chromium complex was tested. Determination of organic anions was accomplished by indirect UV detection. The best results were achieved by precipitation of chromium(III) hydroxide. The content of oxalate and citrate in real samples was calculated as 96.5% (SD 2.3%) and 97.3% (SD 0.8%), respectively, of the declared amount. Very good robustness of the method and satisfactory repeatability of migration time and peak area were obtained. This simple inexpensive method is suitable for routine determination of citric and oxalic a

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CB - Analytická chemie, separace

OECD FORD obor

—

Projekt

<a href="/cs/project/GA13-01440S" target="_blank" >GA13-01440S: Chirální supramolekulární polymery založené na derivatizovaných cyklodextrinech jako nové prostředí pro kapilární separační techniky</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Separation Science

ISSN

1615-9306

e-ISSN

—

Svazek periodika

38

Číslo periodika v rámci svazku

24

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

7

Strana od-do

4255-4261

Kód UT WoS článku

000367670300014

EID výsledku v databázi Scopus

2-s2.0-84955204234