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Milk, milk products, infant formula and adult nutritionals. Determination of minerals and trace elements. Inductively coupled plasma mass spectrometry (ICP-MS) method. Original standard BS EN ISO 21424-2020 in PDF full version. Additional info + preview on request

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Water quality. Evaluation of genotoxicity by measurement of the induction of micronuclei. Mixed population method using the cell line V79. Original standard BS EN ISO 21427-2-2009 (BS 6068-5.45-2006) in PDF full version. Additional info + preview on request

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Anodizing of aluminium and its alloys. Estimation of loss of absorptive power of anodic oxidation coatings after sealing. Dye-spot test with prior acid treatment. Original standard BS EN ISO 2143-2017 in PDF full version. Additional info + preview on request

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Non-destructive testing. Standard test method for determining residual stresses by neutron diffraction. Original standard BS EN ISO 21432-2020 in PDF full version. Additional info + preview on request

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Petroleum, petrochemical and natural gas industries. Materials selection and corrosion control for oil and gas production systems. Original standard BS EN ISO 21457-2010 in PDF full version. Additional info + preview on request

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Safety of machinery. Lubricants with incidental product contact. Hygiene requirements. Original standard BS EN ISO 21469-2006 in PDF full version. Additional info + preview on request

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