HJ 509-2009: Translated English of Chinese Standard. HJ509-2009: Determination of Platinum, Palladium and Rhodium loading in the vehicle-used ceramic catalytic converters - Inductive coupled plasma-optical emission spectrometry and inductive coupled plasma-mass spectrometry
https://www.chinesestandard.net, Mar 13, 2014 - Technology & Engineering - 19 pages
This Standard specifies inductive coupled plasma-optical emission spectrometry (ICP-OES) and inductive coupled plasma-mass spectrometry (ICP-MS) for the determination of platinum (Pt), palladium (Pd) and rhodium (Rh) loading in the vehicle-used ceramic catalytic converters. This Standard is applicable to the determination of Pt, Pd and Rh loading in catalytic converters with cordierite honeycomb ceramics as the carrier and precious metal as the active constituent.
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acid solution 5.7 analytic element analytical balance aqua regia blank test solution carrier volume catalytic converter carrier Catalytic Converters—Inductive Coupled ceramic catalytic converters Ceramic Catalytic Converters—Inductive Converters—Inductive Coupled Plasma-optical Coupled Plasma-mass Spectrometry Coupled Plasma-optical Emission detailed in Table Determination of Platinum diluted Element Pt Pd eliminating the outliers Emission Spectrum Environmental Protection following indexes grinding HClO4 hydrochloric acid Hydrofluoric acid ICP-MS Method Inductive Coupled Plasma Inductive Coupled Plasma-mass instrument begins internal standard element mass number Ministry of Environmental nitric acid 5.3 nitric acid solution number of element operate stably outliers is detailed Pd and Rh People’s Republic Perchloric acid Plasma-optical Emission Spectrometry Pt Pd Rh Relative error relative standard deviation response value Rh are determined Rh loading Rhodium Loading samples containing Pt Spectrometry and Inductive standard curve standard solution Suzhou test portion Test Solution Analysis to-be-determined elements total dissolved solid uniform samples containing Vehicle-used Ceramic Catalytic volumetric flask wavelength calibration solution