Chemistry Reference
In-Depth Information
L−1 KCl extract 1:5000dil. AMPIC-NGI should also be used in series to
remove humic acids
Source: Reproduced with permission from the Royal Society of
Chemistry [55]
Fig. 12.26
Analysis of granulated fertiliser samples: (a) determination of
anions; (b) determination of monovalent cations; (c) determination of
divalent cations
Source: Reproduced with permission from the Royal Society of
Chemistry [55]
chloride, nitrate, phosphate and sulphate respectively. Recoveries ranged from 84 to
108% with a mean of 97%.
Figs. 12.24-12.26 show chromatograms obtained in the analysis of plant extracts, soil
extracts and fertiliser extracts .
12.3
Sea water
12.3.1
Carboxylic acids and amines
Xiao-Hua Yang
et al.
[57] determined nanomolar concentrations of individual low
molecular weight-carboxylic acids (and amines) in seawater. Diffusion of the acids across
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