STN - Slovak standards

Fruit and vegetable juices. Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrometry (AAS)

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Fruit and vegetable juices. Determination of phosphorus content. Spectrometric method

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Fruit and vegetable juices. Determination of total carotenoid content and individual carotenoid fractions

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Fruit and vegetable juices. Determination of the sulfate content

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Tomato products. Determination of mould content after Howard

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Fruit and vegetable juices. Determination of nitrogen content. Kjeldahl method

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Fruit and vegetable juices. Enzymatic determination of citric acid (citrate) content. NADH spectrometric method

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Fruit and vegetable juices. Enzymatic determination of L-malic acid (L-malate) content. NADH spectrometric method

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Fruit and vegetable juices. Enzymatic determination of D-isocitric acid content. NADPH spectrometric method

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Fruit and vegetable juices. Enzymatic determination of D-glucose and D-fructose content. NADPH spectrometric method

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