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Homepage>CSN Standards>65 CHEMICAL INDUSTRY PRODUCTS
6501 Chemical industry products, general and safety regulations
6548 Industrial fertilizers and other inorganic products
6560 Oil products general and testing methods for several groups of products
6561 Testing methods for light oil products
6562 Testing methods for petroleum oils
6564 Hydrocarbon gases and liquefied hydrocarbon gases, quality and testing methods
6565 Motor fuels and other products, quality
6566 Mineral oils, quality
6570 Testing methods for asphalt and asphalt products
6571 Paraffin, ceresines, vaseline, slack waxes, quality and testing methods
6580 Tars and tar products, quality and testing methods
6581 Derivatives from coal pyrolysis
6583 Tars and tar products, quality and testing methods
6598 Products from Biomass