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ASTM D4951 for additive elements in lubricating oils by ICP-AES
ASTM D4951 for additive elements in lubricating oils by ICP-AESASTM D4951 standard test method for determination of additive elements in lubricating oils by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)1. Scope1.1 This test method covers the quantitative determination of barium, boron, ...
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ASTM D2896 for base number of petroleum products
ASTM D2896 for base number of petroleum productsASTM D2896 for base number of petroleum products by potentiometric perchloric acid titrationAPPENDIXES(Nonmandatory Information)X1. TEST COVERAGEX1.1 During the developments of the original test method (Procedure A) and the test method for the reduced titration ...
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ASTM D2896 for base number of petroleum products
ASTM D2896 for base number of petroleum productsASTM D2896 for base number of petroleum products by potentiometric perchloric acid titration18. Report of Result for Back Titration18.1 Report the result as follows:Base Number by Back Titration(Test Method D2896 - Procedure A or B) = Result19. Precision ...
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ASTM D2896 for base number of petroleum products
ASTM D2896 for base number of petroleum productsASTM D2896 for base number of petroleum products by potentiometric perchloric acid titration17. Back Titration, Procedure B (60 mL)17.1 Some used oils give no inflection point or only a very poor one with the test method described in Section 12. When this ...
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ASTM D2896 for base number of petroleum products
ASTM D2896 for base number of petroleum productsASTM D2896 for base number of petroleum products by potentiometric perchloric acid titration16. Back Titration, Procedure A (120 mL)16.1 Some used oils give no inflection point or only a very poor one with the test method described in Section 11. When this ...
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ASTM D2896 for base number of petroleum products
ASTM D2896 for base number of petroleum productsASTM D2896 for base number of petroleum products by potentiometric perchloric acid titration13. Quality Control Checks13.1 Confirm the performance of the equipment or the procedure each day it is in use, by analyzing a quality control (QC) sample. It is ...
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ASTM D2896 for base number of petroleum products
ASTM D2896 for base number of petroleum productsASTM D2896 for base number of petroleum products by potentiometric perchloric acid titration12. Procedure B (60 mL)12.1 Calculate the quantity of sample required from its expected base number as follows:Approximate weight of sample, g = 10/expected BNNOTE ...
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ASTM D2896 for base number of petroleum products
ASTM D2896 for base number of petroleum productsASTM D2896 for base number of petroleum products by potentiometric perchloric acid titration11. Procedure A (120 mL)11.1 Calculate the quantity of sample required from its expected base number, BN, as follows:Approximate weight of sample, g = 28/expected ...
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ASTM D2896 for base number of petroleum products
ASTM D2896 for base number of petroleum productsASTM D2896 for base number of petroleum products by potentiometric perchloric acid titration9. Preparation of Sample9.1 It is essential to ensure that the sample is representative since any sediment can be acidic or basic or have adsorbed acidic or basic ...
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ASTM D2896 for base number of petroleum products
ASTM D2896 for base number of petroleum productsASTM D2896 for base number of petroleum products by potentiometric perchloric acid titration8. Standardization of Reagents8.1 Perchloric Acid Solution - The standardization of the perchloric acid solution (HClO4) differs for the two procedures as follows:8.1.1 ...
