Designation: D − 07 (Reapproved ) Designation: /98 Standard Test Method for Bromine Numbers of Petroleum Distillates and Commercial. Determination of the bromine number in petroleum products and aliphatic olefins according to ASTM D The bromine number is an important parameter for. Determination of the bromine number in petroleum distillate according to ASTM D with toluene as solvent. The bromine number indicates the degree of.
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Entry-level titrator for coulometric water content: In this Application Note, toluene is used instead. Entry-level titrator for coulometric water content: Then, 5 mL sample solution are diluted with solvent. Discard the first 10 mL of percolate and collect the 1,1,1-trichloroethane, an ozone-depleting chemical, is neces- next 10 mL that is the purified olefin for test of the bromine sary because its manufacture and import has been discontin- number procedure.
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In this Application Note, the toxic chloroform was replaced with diethyl carbonate. A knowledge of the material being nitrogen, and oxygen-containing compounds is included in the handled and its response to bromine greatly reduces the risk of bromine number of the material.
Contact may cause skin irritation and dermatitis. By this definition, bromine consumed by presence of bromine imposes an element of uncertainty in the addition, substitution, oxidation, and reactions with sulfur, interpretation of results.
Headquarters and may be obtained by requesting Research Report RR: High concentrations can cause unconsciousness or packing. F Purity not stated. Hazardous Area Scales and Solutions. Metrohm Newsletter Register now!
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ASTM D Bromine Number of Petroleum Products – METTLER TOLEDO
Gas Analyzers and Gas Sensors. Sensor Housings and Sensor Cleaning Systems. During the titration, bromine is produced in situ by a redox reaction before undergoing an addition reaction with unsaturated hydrocarbons. Calculate the molarity of the bromide-bromate below the level of the e1159 solvent.
This test method is not satisfactory for normal alpha-olefins. The endpoint of the titration has no bias because the value of bromine number can be is achieved when the potential reaches the pre-set value see defined only in terms of a test method. NOTE 4—The precision of this test method was determined using 9.
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Bromine Number of Petroleum Products According to ASTM D1159-01
Multifunctional process analyzers tailored to your requirements for multiparameter measurements and streams. It is not known whether the precision estimates are each blank determination, substituting 5 mL of the selected applicable when using dichloromethane in place of 1,1,1-trichloroethane.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. Precision and Bias7 9. C Phillips pure grade product, distilled, heart-cut percolated through Si gel. Chill the solution in a bath types of commercially available electronic titrimeters, includ- for approximately 10 min and, with constant swirling of the ing certain pH meters, have also been found suitable.
Safeline X-ray Inspection Systems. P diisobutene known to the committee at this time is Eastman, Rochester, NY. If more than 0. This test method is generally applicable to gasoline including leaded, unleaded, and oxygenated fuelskerosine, and distillates in the gas oil range that fall in the following limits: Background Bromine number, or bromine index, is a parameter used to estimate the amount of unsaturated aliphatic groups olefins in a hydrocarbon.
Titrando High-end potentiometric titrator that meets any requirements: In the case of A2. The values given in parentheses are for information Under only. Decreasing temperature of reaction, time of procedure.