BS 3406-4:1963
Methods for determination of particle size distribution, Optical microscope method
In fractions of powders which pass 75 micron British Standard test sieve. Sample dispersed, placed on glass slide and particles viewed through microscope by transmitted light. Areas of magnified images of particles compared with areas of reference circles of known sizes inscribed on graticule and simultaneously visible (see BS 3625). Relative numbers of particles in each of series of size classes determined. These numbers, expressed as percentages, constitute size distribution by number. From relative numbers in size classes, size distribution can be calculated by weight if it is assumed that particles of all sizes have same shape and density.
| Get this standard | Prices exclude GST | |
|---|---|---|
| PDF ( Single user document) |
$640.87 NZD
|
|
Related Information
Similar Standards
-
BS 1796-1:1989
Test sieving, Methods using test sieves of woven wire cloth and perforated metal plate
-
BS 3406-1:1986
Methods for determination of particle size distribution, Guide to powder sampling
-
BS 3406-4:1993
Methods for determination of particle size distribution, Guide to microscope and image analysis methods
-
BS 3625:1963
Specification for eyepiece and screen graticules for the determination of the particle size of powders