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BASE NUMBER BY POTENTIOMETRIC HCI TITRATION: D4739
BASE NUMBER BY POTENTIOMETRIC HCI TITRATION: D4739(Equivalent Test Methods: IP 417, ISO 6619, and JIS K 2501)EXPLANATIONTest Method D4739 was developed as an alternative for the base number portion of Test Method D664. Base numbers obtained by this test method may or may not be numerically the same as ...
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BASE NUMBER POTENTIOMETRIC PERCHLORIC ACID TITRATION: D2896
BASE NUMBER POTENTIOMETRIC PERCHLORIC ACID TITRATION: D2896(Equivalent Test Methods: IP 276, ISO 3771, and JIS K 2501)For many materials the results obtained by this test method will be similar to those obtained by Test Method D664. With certain compounds such as strongly over-based oil additives and ...
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BASE NUMBER IN LUBRICANTS BY COLOR INDICATOR TITRATION: D5984
BASE NUMBER IN LUBRICANTS BY COLOR INDICATOR TITRATION: D5984EXPLANATIONThis is a semi-quantitative field test method used on new and used lubricating oils. These samples can contain base constituents present as additives or as degradation products formed during service. A decrease in the measured base ...
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BASE NUMBER BY COLOR INDICATOR TITRATION: D974
BASE NUMBER BY COLOR INDICATOR TITRATION: D974(Equivalent Test Methods: IP 139, ISO 6618, DIN 51558T1, JIS K 2501, and AFNOR T60-112)EXPLANATIONSee discussion under Acid Number for Test Method D974. Although this test has been used for base number of petroleum products for many decades, it may not be ...
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GENERAL INTRODUCTION TO BASE NUMBER
GENERAL INTRODUCTION TO BASE NUMBERNew and used petroleum products may contain basic constituents that are present as additives. The relative amounts of these materials can be determined by titrating with acids. The neutralization number expressed as base number, is a measure of this amount of basic ...
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ASPHALTENES (HEPTANE INSOLUBLES) IN CRUDE PETROLEUM AND PRODUCTS: D6560
ASPHALTENES (HEPTANE INSOLUBLES) IN CRUDE PETROLEUM AND PRODUCTS: D6560EXPLANATIONAsphaltenes in crude oils may give problems during storage and handling if the suspension of asphaltene molecules is disturbed through excess stress or incompatibility. They are also the last molecules in a product to combust ...
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ASH SULFATED ASH FROM LUBRICATING OILS AND ADDITIVES: D874
ASH SULFATED ASH FROM LUBRICATING OILS AND ADDITIVES: D874(Equivalent Test Methods: IP 163, ISO 3987, DIN 51575, JIS K 2272, and AFNOR T60-143)EXPLANATIONSulfated ash is the residue remaining after the sample has been carbonized, and the residue subsequently treated with sulfuric acid and heated to constant ...
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ASH FROM PETROLEUM PRODUCTS: D482
ASH FROM PETROLEUM PRODUCTS: D482(Equivalent Test Methods: IP 4, ISO 6245, JIS K 2272, and AFNOR M07-045)EXPLANATIONAsh in a petroleum product can result from oil or water-soluble metallic compounds or from extraneous solids such as dirt and rust. This test method is not valid for petroleum products ...
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ASH IN PETROLEUM COKE: D4422
ASH IN PETROLEUM COKE: D4422EXPLANATIONThe ash content is one of the properties used to evaluate petroleum coke and indicates the amount of undesirable residue present. Acceptable ash content varies with the intended use.Preparation and testing of the analysis sample must neither remove nor add ash. ...
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ASH IN COAL TAR AND PITCH: D2415
ASH IN COAL TAR AND PITCH: D2415EXPLANATIONThis test method determines the amount of inorganic matter in the tar and pitch samples as ash.TEST SUMMARYThe sample is carefully volatilized and burned in a muffle furnace or by other suitable means, after which the carbonaceous residue is completely oxidized ...
