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Leather. Physical and mechanical test methods for the determination of soiling. Tumbling method. Original standard BS EN ISO 26082-2-2012 in PDF full version. Additional info + preview on request

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Acoustics. Test methods for the qualification of the acoustic environment. Qualification of free-field environments. Original standard BS EN ISO 26101-1-2022 in PDF full version. Additional info + preview on request

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Acoustics. Test methods for the qualification of the acoustic environment - Determination of the environmental correction. Original standard BS EN ISO 26101-2-2024 in PDF full version. Additional info + preview on request

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Analysis of natural gas. Halogen content of biomethane. HCl and HF content by ion chromatography. Original standard BS EN ISO 2611-1-2024 in PDF full version. Additional info + preview on request

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Analysis of natural gas. Biomethane. Determination of ammonia content by tuneable diode laser absorption spectroscopy. Original standard BS EN ISO 2612-2023 in PDF full version. Additional info + preview on request

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Analysis of natural gas. Silicon content of biomethane. Determination of total silicon by atomic emission spectroscopy (AES). Original standard BS EN ISO 2613-1-2023 in PDF full version. Additional info + preview on request

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