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Spectro Inc. - ASTM D445
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ASTM Methods ASTM 6595 (Wear Metals in Used Oils) ASTM 6728 (Alkali Metals in Fuel) ASTM D445 (Viscosity) ASTM D7279 (Viscosity) ASTM D7371 (FAME) ASTM E2412 (Used oil FT-IR)
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ASTM D445 This is an ASTM International Standard Test Method for the analysis of viscosity in used and new lubricants. 300 310 The SpectroVISC Q and SpectroVISC Q meet and exceed the requirements of this specification. Copies of the complete method are available from the ASTM web site at http://www.astm.org.. The full title and partial scope of the method http://www.astm.org is listed below:
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ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity) ■ ■
Chemical Properties Physical Properties
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1. Scope 1.1 This test method specifies a procedure for the (Click Image to Enlarge) determination of the kinematic viscosity, of liquid petroleum products, both transparent and opaque, by measuring the time for a volume of liquid to flow under gravity through a calibrated glass capillary viscometer. The dynamic viscosity can be obtained by multiplying the kinematic viscosity, by the density, of the liquid.
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1.2 The result obtained from this test method is dependent upon the behavior of the sample and is intended for application to liquids for which primarily the shear s tress and shear rates are proportional (Newtonian flow behavior). If, however, the viscosity varies significantly with the rate of shear, different results may be obtained from viscometers of different capillary diameters. The procedure and precision values for residual fuel oils, which under some conditions exhibit non-Newtonian behavior, have been included. 1.3 The range of kinematic viscosities covered by this test method is from 0.2 to 300 000 mm2/s (see Table A1.1) at all temperatures (see 6.3 and 6.4). The precision has only been determined for those materials, kinematic viscosity ranges and temperatures as shown in the footnotes to the precision section.
