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Copper and zinc sulfide concentrates. Determination of silver content. Acid digestion and flame atomic absorption spectrometric or inductively coupled plasma optical emission spectrometric method. Original standard BS ISO 11456-2025 in PDF full version. Additional info + preview on request

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Capability of detection - Methodology for the determination of the critical value and the minimum detectable value in Poisson distributed measurements by normal approximations. Original standard BS ISO 11843-6-2025 in PDF full version. Additional info + preview on request

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Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels - Liquefied Natural Gas (LNG) as marine fuel - Measurement on board LNG bunkering ship. Original standard BS ISO 11982-2025 in PDF full version. Additional info + preview on request

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Electrodeposited nickel plus chromium coatings for automobile plastic parts - Specification and test requirements. Original standard BS ISO 12994-2025 in PDF full version. Additional info + preview on request

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Surface chemical analysis. Mass spectrometries. Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer. Original standard BS ISO 13084-2025 in PDF full version. Additional info + preview on request

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Fans. Determination of fan sound power levels under standardized laboratory conditions - Reverberant room method. Original standard BS ISO 13347-2-2025 in PDF full version. Additional info + preview on request

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