BS 5117-1 2-1985 Testing corrosion inhibiting engine coolant concentrate (antifreeze) - Methods of test for determination of physical and chemical properties - Determination of boi.pdf
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1、BRITISH STANDARD BS 5117-1.2: 1985 Testing corrosion inhibiting, engine coolant concentrate (“antifreeze”) Part 1: Methods of test for determination of physical and chemical properties Section 1.2 Determination of boiling point NOTEIt is recommended that this Section be read in conjunction with the
2、information given in the “General introduction”, published separately as BS5117-0. UDC 661.17:621.43 715.4:620.197.3BS5117-1.2:1985 This British Standard, having been prepared under the directionof the Chemicals Standards Committee, was published under the authority ofthe Board of BSI and comes into
3、effect on 28June1985 BSI 10-1999 First published as BS5117December1974 First part revision Section 1.2June1985 The Committees responsible for this British Standard are shown inPart 0. The following BSI references relate to the work on this standard: Committee reference CIC/7 Draft for comment 83/551
4、51 DC ISBN 0 580 14353 8 A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages
5、 This document comprises a front cover, an inside front cover, pages i and ii, pages 1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.
6、Amendments issued since publication Amd. No. Date of issue CommentsBS5117-1.2:1985 BSI 10-1999 i Contents Page 1 Scope 1 2 Principle 1 3 Apparatus 1 4 Sampling of the product 1 5 Procedure 1 6 Expression of results 1 Figure 1 Apparatus for determination of boiling point 2 Publications referred to In
7、side back coverii blankBS5117-1.2:1985 BSI 10-1999 1 1 Scope This Section of BS5117 describes a method for determination of the boiling point of engine coolant concentrate. NOTE 1The engine coolant concentrate is referred to hereafter as “the product”. NOTE 2The method as described is intended for t
8、he determination of the boiling point of the undiluted product but it may also be used for solutions of the product. NOTE 3The titles of the publications referred to in this standard are listed on the inside back cover. 2 Principle A test portion is boiled under reflux using specified conditions and
9、 the boiling point is recorded and corrected to a barometric pressure of1013mbar 1) . 3 Apparatus 3.1 General. The apparatus described in3.2 to3.7 is required and is shown inFigure 1(a). 3.2 Two-necked round bottom flask, capacity100mL, the central and side necks of which are fitted respectively wit
10、h a19/26 and14/23 ground glass socket complying with BS572. The principal dimensions are shown inFigure 1(b). 3.3 Glass condenser, water cooled, fitted with a19/26 ground glass cone complying with BS572. When fitted to the flask(3.2), the tip of the condenser tube projects below the19/26 ground glas
11、s socket. The principal dimensions are shown inFigure 1(a). 3.4 Thermometer, designated F300C/76, complying with BS593, fitted through the side neck of the flask so that the tip of the bulb is6mm from the base of the flask. 3.5 Thermometer adaptor, comprising a glass extension piece, one end of whic
12、h is fitted with a14/23 ground glass cone complying with BS572 and the other end of which is fitted with a screw fitting 2)through which the thermometer can be secured by means of a plastics threaded cap and a rubber gasket. The principal dimensions are shown inFigure 1(a). NOTEThe threaded cap and
13、gasket should be made of materials which are substantially unaffected by diols at temperatures of up to200 C. 3.6 Electric heating mantle 3.7 Antibumping granules,1mm to2mm. 4 Sampling of the product Take a representative sample of not less than500mL, preferably from previously unopened containers i
14、n which the product is normally offered for sale 3) . Place the sample in clean, dry, stoppered glass bottles of a dark colour. Agitate all containers before sampling to ensure homogeneity of the contents. Where a batch of containers is to be sampled, it is essential that the number of containers sa
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