P. L. Searle

发表

The extraction of sulphate and mineralisable sulphur from soil with an anion exchange membrane

P. L. Searle, 1992 .

A simple manual method for the determination of phosphate‐extractable (ion‐exchange membrane) sulphate in soils

P. L. Searle, 1991 .

The determination of phosphate‐extractable sulphate in soil with an anion‐exchange membrane

P. L. Searle, 1988 .

Measurement of adsorbed sulphate in soils—effects of varying soil:extractant ratios and methods of measurement

P. L. Searle, 1979 .

The berthelot or indophenol reaction and its use in the analytical chemistry of nitrogen. A review

P. L. Searle, 1984 .

Pyrolysis gas chromatography of soil organic matter. 1. Introduction and methodology

R. Kimber, P. L. Searle, 1970 .

The determination of aluminium, iron, manganese and silicon in acid oxalate oil extracts by flame emission and atomic absorption spectrometry

P. L. Searle, B. Daly, 1977 .

Pyrolysis gas chromatography of soil organic matter. 2. the effect of extractant and soil history on the yields of products from pyrolysis of humic acids

R. Kimber, P. L. Searle, 1970 .

Automated colorimetric determination of ammonium ions in soil extracts with ‘Technicon AutoAnalyzer II’ equipment

P. L. Searle, 1975 .

Determination of total sulphur in soil by using high-frequency induction furnace equipment

P. L. Searle, 1968 .

Reducing interferences by amino acids in the determination of ammonium by an automated indophenol method

P. L. Searle, 1990 .

An automated colorimetric method for the determination of urease activity in soil and plant material

T. W. Speir, P. L. Searle, 1976 .

The determination of calcium in rain waters by using high-temperature flame-emission spectroscopy

P. L. Searle, G. Kennedy, 1972 .