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Colorimetric determination of nanomolar concentrations of ammonium in seawater using solvent extraction

โœ Scribed by Mark A Brzezinski


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
634 KB
Volume
20
Category
Article
ISSN
0304-4203

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## Abstract During use, frying fats undergo chemical deterioration. This leads to the formation of compounds that are more polar than the triacylglycerols of the fat. Collectively these are called total polar material (TPM), and the mass concentration of TPM is used as an indicator of the quality o