STB PDF

Rubber. Determination of the aromaticity of oil in vulcanized rubber compounds. Original standard BS ISO 21461-2012 in PDF full version. Additional info + preview on request

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Test method for CMAS corrosion of thermal/environmental barrier coatings under dynamic thermal cycling. Original standard BS ISO 21465-2025 in PDF full version. Additional info + preview on request

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Microbeam analysis. Scanning electron microscopy. Method for evaluating critical dimensions by CDSEM. Original standard BS ISO 21466-2019 in PDF full version. Additional info + preview on request

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Drilling and foundation machinery. Horizontal directional drilling (HDD) machines. Commercial specifications. Original standard BS ISO 21467-2023 in PDF full version. Additional info + preview on request

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Infant formula and adult nutritionals. Determination of free and total choline and free and total carnitine. Liquid chromatography tandem mass spectrometry (HPLC-MS/MS). Original standard BS ISO 21468-2020 in PDF full version. Additional info + preview on request

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Infant formula and adult nutritionals. Simultaneous determination of total vitamins B₁, B₂, B₃ and B₆. Enzymatic digestion and LC-MS/MS. Original standard BS ISO 21470-2020 in PDF full version. Additional info + preview on request

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