Simultaneous determination of vitamins A and E in feeds and foods by reversed phase high-pressure liquid chromatography.
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Animal Feed↗
Biomedical subjects
P Söderhjelm
Publications and source records attributed to P Söderhjelm.
Voltammetric determination of pyridoxine by use of a carbon paste electrode.
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Carbon↗
Assay of pyridoxine in pharmaceutical preparations by direct spectrofluorometric measurement.
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Buffers↗
Determination of phosphorus in processed cheese: collaborative study.
A second interlaboratory collaborative study of the determination of phosphorus in processed cheese products by the molybdenum blue method verifies that this method is prone to producing a laboratory-induced systematic error. It would be useless to continue to make minor modifications in the details of the method, which will improve only the within-laboratory precision, until an accuracy control of the final measurement step is incorporated into the method.
Cheese↗