BS EN 1248:2000 pdf free.Methods of test for petroleum and its products — BS 2000-291: Bitumen and bituminous binders — Determination of water content in bitumen emulsions — Azeotropic distillation method Identical with IP 291-2000.
BS EN 1248 1Scope This European Standard specifes a method for the determination of the water content in bitumen emulsions by means of disillation. WARNING The use of this standard may involve hazardous materials, operations and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the aplicability of regulatory limitations prior to use. 2Normative references This European Standard incorporates, by dated or undated reference, provisions from other publications. The normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. EN 58, Sampling bituminous binders. EN 12594, Bitumen and bituminous binders – Preparation of test samples. EN IsSO 3696, Water for analytical laboratory use – Specification and test methods (ISO 3696:1987). 3Definition For the purposes of this standard, the following definition applies. 3.1
water content percentage by mass of water determined in accordance with the method specified in this standard.
5 Reagents and materials Use only reagents of recognized analytical grade and water conforming to grade 3 of EN ISO 3696.
5.1 Anhydrous anti-bumping granules, with a higher density than the liquid under test. 5.2 Suitable solvent-carrier liquid. NOTE: In selectmg a solvent-carrier hqu.d. attent,on should be drawn to aiy relevant safety regulations. However. xylene conformmg to ISO 5280 [11 is recommended for roiAine tests and toluene conforming to ISO 5272 [21 is rscorwnended br referee tests 6 Apparatus
Usual laboratory apparatus and glassware, together with the following. 6.1 Distillation apparatus, (see Figure 1) consisting of the following; the flask, receiver and reflux condenser being connected with suitable ground glass joints. 6.1.1 Flask, 500 ml round bottomed with a short neck capable of accommodating the reflux tube of the receiver. 6.1.2 Receiver or trap, with a 25 ml nominal capacity graduated to 0,1 ml. 6.1.3 Reflux condenser, water-cooled with a minimum length of jacket of 300 mm. 6.1.4 Heater.
NOTE An electric flask healer with electronic power regulation is recommended in order to obtain controlled distlation.BS EN 1248 pdf download.