1.1 This test method covers a procedure for quantifying the maximum flocculation ratio of the asphaltenes in the oil and the peptizing power of the oil medium, by an automatic instrument using an optical device.<\/p>\n
1.2 This test method is applicable to atmospheric or vacuum distillation residues, thermally cracked residue, intermediate and finished residual fuel oils, containing at least 1 mass % asphaltenes. This test method has not been developed for asphalts.<\/p>\n
Note 1An optical probe detects the formation of flocculated asphaltenes. The start of flocculation is interpreted when a significant and sustained increase in rate-of-change of signal, as measured by the optical probe, ensures flocculation is in progress. The start of flocculation can be detected unambiguously when the sample contains at least 1 % mass asphaltenes as measured by Test Method D 6560.<\/p>\n
Note 2This test method is applicable to products typical of Specification D 396-Grades 5L, 5H, and 6, and Specification D 2880-Grades 3-GT and 4-GT.<\/p>\n
1.3 This test method was evaluated in a within-laboratory study in the range of 16 to 57 for the maximum flocculation ratio and in the ranges of 27 to 96 for peptizing power.<\/p>\n
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.<\/i><\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 1<\/td>\n | Scope Referenced Documents Terminology <\/td>\n<\/tr>\n | ||||||
| 2<\/td>\n | Summary of Test Method Significance and Use Interferences Apparatus <\/td>\n<\/tr>\n | ||||||
| 3<\/td>\n | Reagents and Materials Sampling and Test Specimens FIG. 1 <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | Preparation of Apparatus Performance Check and QC Procedure TABLE 1 <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | Calculation of Results Report FIG. 2 <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | Precision and Bias Keywords A1. INTEGRATED AUTOMATED ANALYTICAL MEASUREMENT SYSTEM A1.1 General A1.2 Automatic Titration Unit A1.3 Heater A1.4 Magnetic Stirrer A1.5 Optical Probe A1.6 Reaction Cell plus Lid <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | FIG. A1.1 <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | FIG. A1.2 FIG. A1.3 FIG. A1.4 <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | X1. USE OF FRmax AND Po FOR COMPATIBILITY TESTING X1.1 X1.2 FIG. A1.5 <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | X2. GUIDANCE FOR ISOLATING ASPHALTENES X2.1 X2.2 Procedure to Isolate Asphaltenes X2.3 X3. EXAMPLE OF CETANE TITRATION X3.1 X3.2 X3.3 X3.4 TABLE X1.1 <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | X4. DETAILED AUTOMATIC TEST PROGRAM X4.1 X4.2 X4.3 TABLE X3.1 <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | FIG. X4.1 <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" D7060-05 Standard Test Method for Determination of the Maximum Flocculation Ratio and Peptizing Power in Residual and Heavy Fuel Oils (Optical Detection Method)<\/b><\/p>\n |