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Norm

ISO 21501-3:2007

Ausgabedatum: 2007 05 07

Determination of particle size distribution — Single particle light interaction methods — Part 3: Light extinction liquid-borne particle counter

ISO 21501-3:2007 describes a calibration and verification method for a light extinction liquid-borne particle counter (LELPC), which is used to measure the size and parti...
ZURÜCKGEZOGEN: 2019 11 22
Herausgeber:
International Organization for Standardization
Format:
Digital | 12 Seiten
Sprache:
Englisch

ISO 21501-3:2007 describes a calibration and verification method for a light extinction liquid-borne particle counter (LELPC), which is used to measure the size and particle number concentration of particles suspended in liquid. The light extinction method described in ISO 21501-3:2007 is based on single particle measurements. The typical size range of particles measured by this method is between 1 µm and 100 µm in particle size.

Instruments that conform to ISO 21501-3:2007 are used for the evaluation of the cleanliness of pharmaceutical products (e.g. injections, water for injections, infusions), as well as the measurement of number and size distribution of particles in various liquids.

The following are within the scope of ISO 21501-3:2007:

  • size calibration;
  • verification of size setting;
  • counting efficiency;
  • size resolution;
  • maximum particle number concentration;
  • sampling flow rate;
  • sampling time;
  • sampling volume;
  • calibration interval;
  • test report.
ISO 21501-3:2019
2019 11 22
Determination of particle size distribution — Single particle light interaction methods — Part 3: Li...
Norm
ISO 21501-3:2007
2007 05 07
Determination of particle size distribution — Single particle light interaction methods — Part 3: Li...
Norm
ISO 13323-1:2000
2000 11 02
Determination of particle size distribution — Single-particle light interaction methods — Part 1: Li...
Norm
Norm
ISO 21501-3:2019
Ausgabedatum : 2019 11 22
Determination of particle size distribution — Single particle light interaction methods — Part 3: Light extinction liquid-borne particle counter