SJ/T 2658.12-2015
Measuring method for semiconductor infrared-emitting diode - Part 12:Peak-emission wavelength and spectral radiant bandwidth
SJ/T 2658.12-2015
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
SJ/T 2658.12-2015
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
SJ/T 2658.12-2015
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
SJ/T 2658.12-2015
Plastics — Polyols for use in the production of polyurethanes — Determination of hydroxyl number by NIR spectroscopy
SJ/T 2658.12-2015
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
SJ/T 2658.12-2015
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
SJ/T 2658.12-2015
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
SJ/T 2658.12-2015
Standard Test Method for Total Organic Carbon in Water by Two Stage Wet Chemical Catalyzed Hydroxyl Radical Oxidation with Infra-Red Detection of Resulting Carbon Dioxide
SJ/T 2658.12-2015
Unalloyed steel — Determination of low carbon content — Part 1: Infrared absorption method after combustion in an electric resistance furnace (by peak separation)