Chemical technology

ISO/DIS 33406 - Guidance for the production of reference materials with qualitative properties
Categories: Analytical chemistry
Committee: ISO/TC 334 (Reference materials)
Origin: ISO
Close date: 21 Jun 2023
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prEN 12122 - Chemicals used for treatment of water intended for human consumption - Ammonia solution
Categories: Chemical industry. Products
Committee: CEN/TC 164 (Water supply)
Origin: CEN
Close date: 22 Jun 2023
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ISO/DIS 24173 - Microbeam analysis — Guidelines for orientation measurement using electron backscatter diffraction
Categories: Analytical chemistry
Committee: ISO/TC 202 (Microbeam analysis)
Origin: ISO
Close date: 28 Jun 2023
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prEN 17978 - Products used for treatment of water intended for human consumption and swimming pool water - Glass beads and glass granulate
Categories: Chemical industry. Products
Committee: CEN/TC 164 (Water supply)
Origin: CEN
Close date: 29 Jun 2023
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prEN 1657 - Chemical disinfectants and antiseptics - Quantitative suspension test for the evaluation of fungicidal or yeasticidal activity of chemical disinfectants and antiseptics used in the veterinary area - Test method and requirements (phase 2, step 1)
Categories: Chemical industry. Products
Committee: CEN/TC 216 (Chemical disinfectants and antiseptics)
Origin: CEN
Close date: 29 Jun 2023
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ISO/DIS 14594 - Microbeam analysis — Electron probe microanalysis — Guidelines for the determination of experimental parameters for wavelength dispersive spectroscopy
Categories: Analytical chemistry
Committee: ISO/TC 202/SC 2 (Electron probe microanalysis)
Origin: ISO
Close date: 12 Jul 2023
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prEN 1302 - Chemicals used for treatment of water intended for human consumption - Aluminium-based coagulants - Analytical methods
Categories: Chemical industry. Products
Committee: CEN/TC 164 (Water supply)
Origin: CEN
Close date: 20 Jul 2023
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