ASTM D4464 PDF

ASTM D Standard Test Method for Particle Size Distribution of Catalytic Material by Laser Light Scattering. ASTM Methods – for Micromeritics and Particulate Systems Particle Size Analyzers. ASTM D Standard Test Method for Particle Size of Catalytic . Buy ASTM D() Standard Test Method for Particle Size Distribution of Catalytic Material by Laser Light Scattering from SAI Global.

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The angle and intensity of laser light scattered by the particles are selectively measured to permit calculation of a volume distribution using light-scattering techniques. Several manufacturers of testing equipment now have units based on these principles. Therefore, comparison of results from different instruments may be misleading. Please first verify your email before subscribing to alerts.

ASTM Methods – Particle Size Analysis | Micromeritics

Link to Active This link will always route to the current Active version of the standard. A particle size distribution which ends abruptly at the detection limit of the instrument may indicate that particles outside the range are present.

You may delete a document from your Alert Profile at any time. The results of any particle sizing method should be used only in a relative sense and should not be regarded as absolute when comparing results obtained by other methods.

The technique is capable of measuring particles above and below asym range. No other units of measurement are included in this standard. Furthermore, any particles which are outside the size measurement range of the instrument will be ignored, causing an increase in the reported percentages within the detectable range.

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The results of any particle sizing method should be used only in a relative sense and should not be regarded as absolute when comparing results obtained by other methods. The technique is capable of measuring particles above and below this range.

Historical Version s – view previous versions of standard Translated Version s: These differences include lasers of different wavelengths, detector configuration, and the algorithms used to convert scattering to particle wstm distribution.

ASTM E e Add to Alert PDF. The technique is capable of measuring particles above and below this range. Extrapolation, interpolation, or estimation to the wavelength of the laser being used can therefore be made.

ASTM International – Standard References for ASTM D – 15

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. Historical Version s – view previous versions of standard.

Although each type of testing equipment utilizes the same basic principles for light scattering as a function astk particle size, different assumptions pertinent to application of the theory and different models for converting light measurements to particle size, may lead to different results for each instrument.

As the voice of the U. These differences include lasers of different wavelengths, detector configuration, and the algorithms used to convert scattering to particle size distribution. If the document is revised or amended, you will be notified by email.

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ASTM Methods – Particle Size Analysis

Many of the published values were measured at Please first log in with a verified email before subscribing to alerts. 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. Proceed to Checkout Continue Shopping. We qstm no amendments or corrections for this standard. The absorbance imaginary component for minerals and metal oxides is normally atsm as 0.

The results are strongly influenced by physical principles employed by each method of particle size analysis. Therefore, use of this test method cannot guarantee directly comparable results aetm different types of instruments. The angle and intensity of laser light scattered by the particles are selectively measured to permit calculation of a volume distribution using light-scattering techniques.

Standards Subsctiption may be the perfect solution. For example, kaolinite measured at 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.