DETERMINATION OF NUTRIENT SALTS BY AUTOMATIC METHODS BOTH IN SEAWATER AND BRACKISH WATER - THE PHOSPHATE BLANK

被引：34

作者：

ALVAREZSALGADO, XA

FRAGA, F

PEREZ, FF

机构：

[1] Instituto de Investigacións Mariñas (CSIC), 36208 Vigo

来源：

MARINE CHEMISTRY | 1992年 / 39卷 / 04期

关键词：

D O I：

10.1016/0304-4203(92)90016-4

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The main inconvenience in determining nutrients in seawater by automatic methods is simply solved: the preparation of a suitable blank which corrects the effect of the refractive index change on the recorded signal. Two procedures are proposed, one physical (a simple equation to estimate the effect) and the other chemical (removal of the dissolved phosphorus with ferric hydroxide).

引用

页码：311 / 319

页数：9

共 10 条

[1]

ATLAS EL, 1971, 215 OR STAT U DEP OC

[2]

BERMEJO F, 1981, QUIMICA ANAL GENERAL, V1

[3]

BURRIEL F, 1983, QUIMICA ANAL CUALITA

[4] SYSTEMATIC ABSORBANCE ERRORS WITH TECHNICON AUTOANALYZER-II COLORIMETERS [J].