Download Guide to ASTM Test Methods for the Analysis of Petroleum by R. A. Nadkarni PDF

By R. A. Nadkarni

The fundamental components of all normal analytical exams used to signify petroleum items and lubricants are actually to be had in a single special quantity short descriptions of 576 exams defined, comprise rules concerned, attempt precis, benefits, boundaries, and try precision information. the place on hand an identical checks from IP, ISO, JIS, DIN, and AFNOR also are referenced. it really is serious for checking out laboratory team of workers to be absolutely acquainted with the entire information of the checks they're acting. however it is usually vital for non-laboratory team of workers to understand at the least the importance, merits, boundaries, and precision of specific assessments used to represent product caliber. simply via realizing the professionals and cons of those exams can either providers and shoppers achieve sound conclusions and agree at the applicable caliber and function of a product. The try equipment lined contain numerous analytical thoughts to spot and/or quantify over 220 chemical and actual homes of crude oils, gas, reformulated gas, lubricating oils, ingredients, transmission fluids, lubricating greases, equipment oils, aviation fuels, diesel and heating fuels, petroleum waxes, marine fuels, and different distinctiveness petroleum items.

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Additional info for Guide to ASTM Test Methods for the Analysis of Petroleum Products and Lubricants, 2nd Edition, MNL 44

Example text

5 mol %. This test method is not applicable to samples containing more than 1 mass % olefinic or phenolic compounds. TEST SUMMARY Hydrogen NMR spectra are obtained on sample solutions in either chloroform or carbon tetrachloride using a continuous wave or pulse FT high resolution NMR spectrometer. Carbon NMR spectra are obtained on the sample solution in chloroform-d using a pulse FT high resolution NMR. Tetramethylsilane is preferred as an internal reference. 5 For pure hydrocarbon compounds analyzed by this test method no bias was found.

ANALYSIS OF LPG AND PROPANE CONCENTRATES BY GC: D 2163 EXPLANATION The component distribution of liquefied petroleum gases (LPG) and propane concentrates is often required as a specification analysis for end-use sale of these materials. Precise compositional data are required to assure uniform quality of the desired reaction products. These data can also be used to calculate physical properties such as relative density, vapor pressure, and motor octane. 1 % and above. Precision Data for LPG Containing Less Than 50 % Propene.

Scope Applicable to fresh and used oils. Results may not be same as in D 974 or D 3339. Applicable to fresh and used oils. Results same as by D 3339, but not D 664. Applicable to fresh or used oils for very small samples. Results same as by D 974, but not D 664. Limitations Used oils change on storage. Representative sampling difficult with sediment in used oils. Difficulties with highly colored oils (use D 664 instead). Used oils change on storage. Representative sampling difficult with sediment in used oils.

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