STM PDF

Variable refrigerant flow air-to-air conditioners and air-to-air heat pumps - Testing and calculating methods for seasonal performance factors and energy performance mapping approach. Original standard ISO 18107-2026 in PDF full version. Additional info + preview on request

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Water quality - Determination of adsorbable organically bound fluorine, chlorine, bromine and iodine (AOF, AOCl, AOBr, AOI) - Method using combustion and subsequent ion chromatographic measurement. Original standard ISO 18127-2026 in PDF full version. Additional info + preview on request

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Rubber hoses and hose assemblies for aircraft ground fuelling and defuelling - Specification. Original standard ISO 1825-2026 in PDF full version. Additional info + preview on request

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Classification and performance guidelines for leather upholstered products. Original standard ISO 18270-2026 in PDF full version. Additional info + preview on request

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Railway applications - Wheel-rail contact geometry parameters - Definitions and methods for evaluation. Original standard ISO 18318-2026 in PDF full version. Additional info + preview on request

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Oilseeds - Application of near infrared spectrometry. Original standard ISO 18419-2026 in PDF full version. Additional info + preview on request

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