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ASTM_D_362_-_75_scan.pdf

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1、Designation:D 362-75 Standard Specification for INDUSTRIAL GRADE TOLUENE1 2 This Standard is issued under the fixed designation D 362;the number immediately following the designation indicates the year of original adoption or in the case of revision,the year of last revision.A number in parentheses

2、indicates the year of last reapproval.1.Scope 1.1 This specification covers industrial grade toluene.2.Applicable Documents 2.1 ASTM Standards:D268 Sampling and Testing Volatile Sol-vents for Use in Paint,Varnish,Lac-quer,and Related Products3 D270 Sampling Petroleum and Petroleum Products4 D847 Tes

3、t for Acidity of Benzene,Tolu-ene,Xylenes,Solvent Naphthas,and Similar Industrial Aromatic Hydrocar-bons3 D 848 Test for Acid Wash Color of Indus-trial Aromatic Hydrocarbons3 D 849 Test for Copper Corrosion of Indus-trial Aromatic Hydrocarbons3 D 850 Test for Distillation of Industrial Aro-matic Hyd

4、rocarbons and Related Mate-rials3 D 853 Test for Hydrogen Sulfide and Sulfur Dioxide Content(Qualitative)of Indus-trial Aromatic Hydrocarbons3 D 891 Tests for Specific Gravity of Indus-trial Aromatic Hydrocarbons and Re-lated Materials3 D 941 Text for Density and Specific Grav-ity of Liquids by Lipk

5、in Bicapillary Pyc-nometer4 D 1078 Test for Distillation Range of Vola-tile Organic Liquids3 D 1133 Test for Kauri-Butanol Value of Hy-drocarbon Solvents3 D 1209 Test for Color of Clear Liquids(Platinum-Cobalt Scale)3 D 1296 Test for Odor of Volatile Solvents and Diluents3 D 1298 Test for Density,Sp

6、ecific Gravity,or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrome-ter Method4 D 1364 Test for Water in Volatile Solvents(Fischer Reagent Titration Method)3 D 1613 Test for Acidity in Volatile Solvents and Chemical Intermediate Used in Paint,Varnish,Lacquer,and Related Product

7、s3 D 1616 Test for Copper Corrosion by Min-eral Spirits(Copper Strip Test)3 E 1 Specification for ASTM Thermome-ters5 3.Properties 3.1 Industrial grade toluene shall conform to the following requirements:Specific gravity 15.56/15.56C 0.864 to 0.874(60/60F)20/20C 0.860 to 0.870(68/68F)25/25C 0.858 to

8、 0.868(77mF)Color not darker than 20 max on the platinum-cobalt scale(Method D 1209).Distillation range at 760 mm Hg pressure total distillation not more than 2C from initial boiling point to dry point,in-cluding the temperature of HOC 1 This specification is under the jurisdiction of ASTM Committee

9、 D-16 on Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of Subcommittee D16.0A on BTX,Cyclohexane,and Their Derivatives.Current edition Nov.14,1975.Published December 1975.Originally published as D 362-33.Last previous edition D 362-71.Replaces D 362-65(1970).Replaces f

10、ormer Designation D 842.2 This material was formerly known as industrial pure toluol.3 Annual Book of ASTM Standards,Part 29.*Annual Book of ASTM Standards,Part 23.5 Annual Book of ASTM Standards,Parts 25 and 44.485 NOTICE:This standard has either been superseded and replaced by a new version or wit

11、hdrawnContact ASTM International(www.astm.org)for the lastest informationD362 Odor Water Acidity Acid wash color Sulfur compounds Corrosion,lh h at 100 C Solvent power characteristic aromatic hydrocar-bon odor as agreed upon by the purchaser and the seller,nonresidual not sufficient to show turbidit

12、y at 20C not more than 0.005 weight%(free acid calculated as acetic acid)equivalent to 0.047 mg KOH(0.033 mg NaOH)per gram of sample or no free acid;that is,no evidence of acidity as defined in Method D 847 not darker than No.4 color stand-ard free of H2S and S02 copper strip shall not show greater

13、discoloration than Class 2 in Method D 1616s 100 min kauri-butanol value In case of dispute experimental values for 15.56/15.56 C shall be controlling.4.Test Methods 4.1 The material shall be sampled and the properties enumerated in this specification shall be determined in accordance with the follo

14、wing ASTM methods:4.1.1 SamplingMethods D 268 or Meth-ods D 270.4.1.2 Specific GravityAny convenient method that is accurate to the third decimal place.NOTE 1See Method D891,Method D941,and Method D 1298.4.1.3 ColorMethod D 1209.4.1.4 DistillationMethod D 1078,or Method D 850,using ASTM Solvents Dis

15、tilla-tion Thermometer having a range from 98 to 152C and conforming to the requirements for Thermometer 41C as prescribed in Specifica-tion E 1.4.1.5 OdorMethod D 1296.4.1.6 WaterPlace 10 ml of the sample in a dry,loosely stoppered test tube(16 by 150 mm)and place in a water bath at 20C(68F).On vie

16、wing the tube transversely at the end of 3 min,no turbidity should be observed and no free water should appear on the bottom of the tube.NOTE 2If a more precise test for moisture is needed the purchaser and the seller should agree on specification limits using the Karl Fischer quan-titative procedure described in Method D 1364.4.1.7 AcidityMethod D 1613 or Method D847.4.1.8 Acid Wash ColorMethod D 848.4.1.9 Sulfur CompoundsMethods D 853.4.1.10 CorrosionMethods D 849 or D 1616.4.1.11 Solvent Powe

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