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ASTM E1260-95

ASTM E1260-95

Standard Test Method for Determining Liquid Drop Size Characteristics in a Spray Using Optical Nonimaging Light-Scattering Instruments

2017-08-16 /Historical
Superseeded by:

1.1 The purpose of this test method is to obtain data which characterize the sizes of liquid particles or drops such as are produced by a spray nozzle or similar device under specified conditions using a specified liquid. The drops will generally be in the size range from 5-[mu]m to the order of 1000-[mu]m diameter; they will occur in sprays which may be as small as a few cubic centimetres or as large as several cubic metres. Typically the number density of the particles can vary significantly from one point to another.

1.2 This test method is intended primarily for use in standardizing measurements of the performance of spray- producing devices. It is limited to those techniques and instruments that operate by passing a beam of light through the spray and analyzing the light scattered by the droplets to derive size information. Such techniques do not produce images of individual drops, and therefore, are known as "optical (nonimaging) instruments."

1.3 The measurements made, when referred to the entire spray being sampled, may be flux sensitive or spatial, as defined in Practice E799, depending on the techniques used with a particular instrument.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Aerosol containers/products; Contamination; Fineness; Instrumental measurement; Light-scattering; Liquid drop size analysis; Liquids; Optical materials/properties/tests; Optical (non-imaging) light-scattering instruments; Particle analysis; Spray nozzles; Visual examination; liquid drop size characteristics in sprays using optical non-imaging; light-scattering instruments, test,; Nonimaging light-scattering instruments; liquid drop size characteristicsin sprays using optical non-imaging; light-scattering instruments, test
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