STN - Slovak standards

Determination of mechanical impurities in petroleum products by filtration

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Oils. Determination of particulate contaminant on membrane filter

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Petroleum products and related products - Determination of kinematic viscosity - Method by Stabinger type viscometer (ISO 23581:2024)

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Oils for refrigerating compressors. Determination of flow point in U-tube

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Oils for refrigerating compressors. Determination of flock point of oil in mixture with coolant

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Asphaltene content in petroleum products

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Petroleum products - Determination of boiling range distribution by gas chromatography method - Part 1: Middle distillates and lubricating base oils

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Petroleum products - Determination of boiling range distribution by gas chromatography method - Part 2: Heavy distillates and residual fuels

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Petroleum products - Determination of boiling range distribution by gas chromatography method - Part 3: Crude oil

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Petroleum products - Determination of boiling range distribution by gas chromatography method - Part 4: Light fractions of crude oil

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