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Aviation fuels and petroleum distillates. Determination of aromatic hydrocarbon types by high performance liquid chromatography method with refractive index detector
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Methods for the petrographic analysis of coals. Part 3. Method of determining maceral group composition
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Reagents. Ammonium phosphate tribasic 3-aqueous. Specifications
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Combustible natural gases. Method for determination of total and organic sulphur content
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