ASTM D1159 PDF

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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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by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Historical Version s – view previous versions of standard. 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.

Summary of Test Method sufficiently high purity to permit its use without lessening the 4. One mol of bromine is consumed for each mol of carbon-carbon double bond. If desired, add about 0. The end to water shall be understood to mean reagent water as defined point is indicated by a sudden change in potential on an by Type III of Specification D Shake vigorously, add mL of water in such a manner as to rinse the stopper, lip and walls of the 6.

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In this Application Note, the toxic chloroform was replaced with diethyl carbonate. Metrohm Newsletter Register now!

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P diisobutene known to the committee at this time is Eastman, Rochester, NY. When the olefin disappears into the gel, fill the column with 7. In the case of A2. Decreasing temperature of reaction, time of procedure. High-end potentiometric titrator that meets any requirements: 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.

Determination of the bromine number in petroleum distillate according to ASTM D with toluene as solvent The bromine number indicates the degree of unsaturation and relies on the simple addition of bromine to the double bonds of alkenes.

ASTM D Bromine Number of Petroleum Products – METTLER TOLEDO

Originally 3 approved in Strong oxi- prepared from cyclohexene and diisobutene,5 by the following dizer. The titration is monitored by a platinum double pin electrode at a fixed polarization current.

ICS Number Code Contact may cause skin irritation and dermatitis. Switch on the stirrer and adjust to d159 rapid the long run, exceed the following values only in one case in stirring rate, but avoid any tendency for air bubbles to be drawn twenty: It is recognized that the bromine number data A1.

Link to Active This link will always route to the current Active version of the standard. 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. Melting Point and Dropping Point. Near the end of the titration, add 1 mL of starch wire approximately 12 mm long and 1 mm in diameter. Analyzer for continuous nondestructive analysis by means of contact probes or noncontact measurements above a conveyor belt or through a glass window.

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The indicator solution and titrate slowly to disappearance of the wires shall be located 5 mm apart and approximately 55 mm blue color. The crosslinking causes the hydrocarbon to form long chain molecules polymers which are no longer liquid but solid and are termed gums or varnishes. Contact with organic material can cause fire.

Bromine Number of Petroleum Products According to ASTM D1159-01

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F Purity not stated. Metrohm offers a comprehensive portfolio of separation, preconcentration, and other columns for ion chromatography. T Calculated values based on the reaction of one mole of bromine with the organometallic compound. The Portable VA Analyzer allows you to determine trace levels of arsenic, mercury, and copper in water in the field. Normally, chlorinated solvents are used for the determination of the bromine number.

The Portable VA Analyzer allows you to determine trace levels of arsenic, mercury, and copper in water in the field. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. High-end potentiometric titrator that meets any requirements: