DETERMINATION OF ZINC IN LUBRICATING OIL BY POLAROGRAPHY OF EMULSIFIED SAMPLES

被引：7

作者：

GARCIAANTON, J

GRIMA, R

机构：

[1] Departamento Ingeniería Química y Nuclear E.T.S.I. Industriales, Universidad Politécnica de Valencia, Valencia, E-46071

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1992年 / 343卷 / 12期

关键词：

D O I：

10.1007/BF00321966

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new polarographic determination of zinc in lubricating oils is based on the formation of an oil/toluene-water emulsion and bubbling nitrogen through the emulsion. A well developed peak appears at -1440 mV. The precision is +/- 3 % for a sample with 382 mg Zn/kg.

引用

页码：905 / 906

页数：2

共 7 条

[1]

GARCIAANTON J, 1986, ANALYST, V111, P1365

[2]

GARCIAANTON J, 1985, ANALYST, V110, P823

[3] INFLUENCE OF SURFACTANTS ON THE GASOLINE - WATER EMULSION - POLAROGRAPHY OF LEAD AND THE DETERMINATION OF LEAD IN GASOLINE [J].

GUINON, JL ;

GRIMA, R .

ANALYST, 1988, 113 (04) :613-615

[4]

PLAZA S, 1987, ASLE TRANS, V30, P241

[5] THE NATURE OF ELECTROCHEMICAL REACTIONS BETWEEN SEVERAL ZINC ORGANODITHIOPHOSPHATE ANTIWEAR ADDITIVES AND CAST-IRON SURFACES [J].

WANG, SS ;

MAHESWARI, SP ;

TUNG, SC .

TRIBOLOGY TRANSACTIONS, 1989, 32 (01) :91-99

[6]

1981, ASTM D1549 AM SOC 23, P817

[7]

1978, TXB QUANTITATIVE INO, P321

← 1 →