Read e-book online Guide to Astm Test Methods for the Analysis of Petroleum PDF

By R. A. Nadkarni

ISBN-10: 0803120877

ISBN-13: 9780803120877

It's serious for trying out laboratory team of workers to be absolutely conversant in the entire information of the assessments they're acting. however it is additionally very important for non-laboratory body of workers to grasp a minimum of the importance, merits, boundaries, and precision of specific checks used to signify product caliber. merely by way of figuring out the professionals and cons of those checks can either providers and shoppers achieve sound conclusions and agree at the applicable caliber and function of a product.For the 1st time ever, the fundamental components of all criteria analytical checks used to signify petroleum items and lubricants come in one exact quantity. short descriptions of the 350 checks defined, contain ideas concerned, try out precis, benefits, barriers, and try out precision facts. the place on hand similar assessments from IP, ISO, JIS, DIN, and AFNOR also are referenced.

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Read Online or Download Guide to Astm Test Methods for the Analysis of Petroleum Products and Lubricants (Astm Manual Series) PDF

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TEST SUMMARY Simultaneous hydrolysis of ester in 65% sulfuric acid solution and nitration of m-xylenol by the nitric acid liber- ated is carried out. The resultant nitroxylenol is extracted from the reaction mixture and reacted with NaOH to form the yellow salt. The color is measured spectrophotometricaUy at 452 urn, and the concentration of alkyl nitrate is determined by reference to the slope of the calibration curve. 036 volume % The test method has no known bias. Amyl Nitrate in Diesel Fuels: D 1839 23 AMYL NITRATE IN DIESEL FUELS D 1839 EXPLANATION See Test Method D 4046 for details substituting amyl for alkyl nitrate.

Many common petroleum lubricants are non-Newtonian; their viscosity varies with shear rate. The viscosity of all fluids varies with temperature. The viscosity of lubricants is to be measured at or near the conditions of shear rate and temperature that they will experience in service. The conditions of shear rate and temperature of these test methods are thought to be representative of those in the bearings of automotive engines in severe service. APPARENT VISCOSITY BY CAPILLARY VISCOMETER AT HIGH TEMPERATURE HIGH SHEAR: D 4624 TEST SUMMARY This test method covers the laboratory determination of the viscosity of engine oils at 150~ and 1 • 106 s -1 using capillary viscometers.

Faster than D 664. Results similar to D 664 Results may or may not be for many materials, but numerically the same as those by D 974, but they usually higher. No constant correlation are generally of the same order or between D 664 and D 2896 for all products; magnitude. but consistent for same product. D 4739 Same as in D 664. Sample dissolved in IPA + CHC13 + toluene + 5% water and titrated with alcoholic HCI. Uses potentiometric titrator. Slow equih'bration. "13trant addition fixed. Inflection or buffer end point.

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Guide to Astm Test Methods for the Analysis of Petroleum Products and Lubricants (Astm Manual Series) by R. A. Nadkarni


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