ASTMD850-02

Designation:D 850-021INTERNATIONALStandard Test Method forDistillation of Industrial Aromatic Hydrocarbons and RelatedMaterials1This standard is issued under the fixed designation D 850;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon ()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.e'NoT-Research report was added editorially September 2002.1.ScopeE 133 Specifi cation for Distillation Equipment1.1 This test method covers the distillation of industrialE220 Test Method for Calibration of Thermocouples byaromatic hydrocarbons and related materials of relativelyComparison Techniques'narrow boiling ranges from 30 to 250C.E691 Practice for Conducting an Interlaboratory Study to1.2 The values stated in SI units are to be regarded as theDetermine the Precision of a Test Methodstandard.The values given in parentheses are for information2.2 Other Document:only.OSHA Regulations,29 CFR,paragraphs 1910.1000 and1.3 The following applies to all specified limits in this test1910.12005method:for the purposes of detemmining conformance to thistest method,an observed or calculated value shall be rounded3.Terminologyoff "to the nearest unit"in the last right-hand digit used in3.1 Defnitions:expressing the specification limit,in accordance with the3.1.1 See Terminology D 4790 for defi nitions of terms usedrounding-off method of Practice E 29.in this test method.1.4 This standard does not purport to address all of the4.Summary of Test Methodsafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-4.1 The distillation of a 100-mL sample of industrial aro-priate safety and health practices and determine the applica-matic hydrocarbons and related materials is carried out via ability ofregulatory limitations prior to use.For specific hazardcarefully controlled distillation wherein temperature readingsstatements,6.6.land Section 7.are noted for the first drop of distillate and when 5,10,andeach additional 10 up to 90,and 95 of the sample has2.Referenced Documentsdistilled over.The temperature corresponding to the dry point2.1 ASTM Standards:is also noted.D 1078 Test Method for Distillation Range of Volatile5.Signifi cance and UseOrganic LiquidsD 3437 Practice for Sampling and Handling Liquid Cyclic5.1 This test method is suitable for setting specifi cations,forProductsuse as an internal quality control tool,and for use in develop-D 4790 Terminology of Aromatic Hydrocarbons and Re-ment or research work on industrial aromatic hydrocarbons andlated Chemicals2related materials.E1 Specification for ASTM Themometers35.2 This test method gives a broad indication of generalE 29 Practice for Using Signifi cant Digits in Test Data topurity and can al