𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The colorimetric determination of phosphorus in plant materials

✍ Scribed by A. J. Cavell

Publisher
John Wiley and Sons
Year
1955
Tongue
English
Weight
157 KB
Volume
6
Category
Article
ISSN
0022-5142

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The determination of phosphate in the presence of hydrochloric acid with Cavell's ammonium vanadate‐ammonium molybdate reagent^2^ has been studied and made quantitative.

πŸ“œ SIMILAR VOLUMES

Colorimetric determination of iron in pl
Colorimetric determination of iron in plant material using ferrozine
✍ Ching-Hong Chen; Joyce Lewin πŸ“‚ Article πŸ“… 1972 πŸ› John Wiley and Sons 🌐 English βš– 155 KB πŸ‘ 1 views

## Abstract Ferrozine [3‐(2‐pyridyl)‐5,6‐bis(4‐phenylsulfonic acid)‐1,2,4‐triazine] was found to be a satisfactory colorimetric reagent for the quantitative determination of iron in the leaves of __Spinacia oleracea__ and __Porphyra petens__ and, by inference, in all plant materials.

An indirect colorimetric determination o
An indirect colorimetric determination of calcium in plant material
✍ A. H. Cornfield; A. G. Pollard πŸ“‚ Article πŸ“… 1951 πŸ› John Wiley and Sons 🌐 English βš– 168 KB πŸ‘ 1 views

## Abstract Calcium is separated as oxalate in a centrifuge tube. The precipitate is estimated by dissolving in a known excess of ceric sulphate, excess of which is then determined absorptiometrically. The range covered is 100–1000 ΞΌg. calcium.

Determination of starch in plant materia
Determination of starch in plant material
✍ R. F. H. Dekker; G. N. Richards πŸ“‚ Article πŸ“… 1971 πŸ› John Wiley and Sons 🌐 English βš– 361 KB πŸ‘ 1 views
Determination of mercury in plant materi
Determination of mercury in plant material
✍ J. A. Pickard; J. T. Martin πŸ“‚ Article πŸ“… 1960 πŸ› John Wiley and Sons 🌐 English βš– 341 KB

## Abstract An analytical procedure used for the determination of traces of mercury in plant material is described. The conditions of combustion of organic matter are controlled to avoid loss of mercury and EDTA is used to reduce the values for apparent mercury on uncontaminated samples. Satisfacto