Abstract
In this study, four digestion methods used to determine total phosphorus in river sediments, including Na2CO3 fusion, the H2SO4 and H2SO4 + H2O2 methods and the SMT protocol were investigated. Interference effects of iron, calcium and organic matter in river sediments, and the substances contained in the digestion agents on the photometric determination of the phosphates were analysed. The digestion methods were tested on ten river sediment samples. Statistical analysis of the results showed significant differences between sample treatments relating to the mean total phosphorus concentration.
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© 2014 Institute of Chemistry, Slovak Academy of Sciences
Articles in the same Issue
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Articles in the same Issue
- Recent advances in application of liquid-based micro-extraction: A review
- Determination of nitrites and nitrates in drinking water using capillary electrophoresis
- Comparison of digestion methods for determination of total phosphorus in river sediments
- Interdisciplinary study on pottery experimentally impregnated with wine
- Improvement in γ-decalactone production by Yarrowia sp. after genome shuffling
- Development of an effective extraction process for coenzyme Q10 from Artemia
- Effect of anions on the structure and catalytic properties of a La-doped Cu-Mn catalyst in the water-gas shift reaction
- Effect of apple pomace powder addition on farinographic properties of wheat dough and biscuits quality
- Influence of caffeine and temperature on corrosion-resistance of CoCrMo alloy
- Cetyltrimethylammonium bromide- and ethylene glycol-assisted preparation of mono-dispersed indium oxide nanoparticles using hydrothermal method
- Sol-gel synthesis, characterisation, and photocatalytic activity of porous spinel Co3O4 nanosheets
- Solvent-free synthesis of β-enamino ketones and esters catalysed by recyclable iron(III) triflate
- Potassium phthalimide-catalysed one-pot multi-component reaction for efficient synthesis of amino-benzochromenes in aqueous media
- Organocatalytic SOMO reactions of copper(I)-acetylide and alkylindium compounds with aldehydes
- Molecular modelling and quantitative structure-activity relationship studies of anatoxin-a and epibatidine derivatives with affinity to rodent nAChR receptors
- Efficient one-pot synthesis of 2-hydroxyethyl per-O-acetyl glycosides
- Properties of singlet- and triplet-excited states of hemicyanine dyes