ASTM C1494-01(2007) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder*, 2023-12-23 Update
EN 12698-1 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
EN 12698-2 Chemical analysis of nitride bonded silicon carbide refractories - Part 2: XRD methods
ISO 21068-2 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon
ISO 21068-3 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
ISO 21438-2 Workplace atmospheres*, 2024-01-01 Update
ISO 21438-3 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 3: Hydrofluoric acid and particulate fluorides
ISO 26845 Chemical analysis of refractories - General requirements for wet chemical analysis, atomic absorption spectrometry (AAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) methods
ISO 2828 Aluminium oxide primarily used for the production of aluminium; Determination of fluorine content; Alizarin complexone and lanthanum chloride spectrophotometric method
ISO 3696 Water for analytical laboratory use; Specification and test methods
ISO 6353-1 Reagents for chemical analysis; Part 1 : General test methods
ISO 6353-2 Reagents for chemical analysis — Part 2: Specifications — First series — Addendum 2
ISO 6353-3 Reagents for chemical analysis; Part 3 : Specifications; Second series
ISO 8656-1 Refractory products; sampling of raw materials and unshaped products; part 1: sampling scheme
JIS R 1603:2007 Methods for chemical analysis of fine silicon nitride powders for fine ceramics
BS ISO 17947:2014 history
2014BS ISO 17947:2014 Fine ceramics (advanced ceramics, advanced technical ceramics). Methods for chemical analysis of fine silicon nitride powders