INTERNATIONAL STANDARD INTERNATIONAL ORGANIZATION FOR STANDARDIZATION*MEXRYHAPO~HAR OPrAHbl3AUHR n0 CTAH~APTH3AUHWORGANISATlON INTERNATIONALE DE NORMALISATION c TzcLt Dsc Sect JQp$~ I &eei Laboratory[.]
INTERNATIONAL STANDARD INTERNATIONAL ORGANIZATION FOR STANDARDIZATION*MEXRYHAPO~HAR OPrAHbl3AUHR n0 CTAH~APTH3AUHWORGANISATlON Dsc JQp$~ I-&eei-c.TzcLt Laboratory Verrerie Gi E ‘b ? s v) UDC Sect - Re’frigkan ts - 1978-11-15 542.231 Descriptors DE NORMALISATION glassware - Condensers de laboratoire First edition INTERNATIONALE : laboratory Ref No equipment, Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS laboratory glassware, coolers, condensers (liquefiers), specifications, dimensions, IS0 4799-1978 (E) marking `,``,,,,,,,,`,,,`,``,``,```,-`-`,,`,,`,`,,` - Price based on pages Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 12/25/2007 05:15:20 MST FOREWORD IS0 (the International Organization for Standardization) is a worldwide federation of national standards institutes (IS0 member bodies) The work of developing international Standards is carried out through IS0 technical committees Every member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work Draft International Standards to the member bodies for Standards by the IS0 Council adopted approval by the technical committees are circulated before their acceptance as International International Standard IS0 4799 was developed by Technical Committee ISO/TC 48, Laboratory glassware and related apparatus, and was circulated to the member bodies in March 1976 It has been approved by the member Belgium Canada Chile Egypt, Arab Rep of France Germany, F R The member bodies document on technical bodies of the following : Poland Romania South Africa, Spain Turkey U.S.S.R Hungary India Israel Italy Korea, Rep of Philippines of the following grounds : countries countries expressed disapproval Rep of of the Australia Czechoslovakia Netherlands International Printed Organization for Standardization, 1978 e in Switzerland `,``,,,,,,,,`,,,`,``,``,```,-`-`,,`,,`,`,,` - Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 12/25/2007 05:15:20 MST INTERNATIONAL IS0 4799-1978 (E) STANDARD Laboratory glassware - Condensers OF APPLICATION SCOPE AND FIELD This International Standard specifies details for nationally acceptable series of glass condensers for general use in laboratories I SO 64 1, Labora tory ground joints glassware - Internal reduced fracture Interchangeable - Interchangeable spherical It is used for condensing a liquid CLASSIFICATION vapours AND Standard, water jacketed designed for - coolant-tube d) Graham 400 mm; - double-action : (see 8.2), condenser glass joints 6.3.1 Conical ground glass joints shall comply requirements of IS0 383, the sizes being chosen k6 series with from the the 6.32 Spherical ground glass joints requirements of IS0 641, with the - - 250 160 - 6.4 The polished, polished condenser (see 8.4), 160 (see 8.5), wide end of plain-end condensers shall be fireand the stem shall be either ground or fire- 400 6.5 The drip tip at the lower end of the condenser shall be cut off at an angle of not less than 30” to the plane of right angles to the longitudinal axis of the condenser 160 - 250 - - 250 and INSCRIPTIONS The following all condensers 160 - inscriptions : - the nominal - the maker’s - the size of any ground : condenser 250 (jacket) shall be permanently length; or vendor’s `,``,,,,,,,,`,,,`,``,``,```,-`-`,,`,,`,`,,` - Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS shall comply - : condensers 160 100 (see 8.3), condensers e) jacketed coil and 400 mm Ground or heating TYPES a) Liebig-West condenser (see 8.1), 250 - 400 - 630 and 000 mm; c) coiled distillate 400 and 630 mm; may be plain (see 6.4) or fitted with interchangeable ground glass joints Water connections, for example olives, should preferface towards the same side of the condenser, except in case of type e) condensers, where this configuration cause an increased risk of fracture 6.3 or for cooling condensers b) Allihn condenser and 630 mm; be of CONSTRUCTION 6.2 ably the may the follow- Five types of condenser, of three classes, according to design and the relative position of the cooling medium, are specified, with the nominal jacket lengths shown : - glass of suitable stress and visible defects in the glass shall to a level sufficient to minimize the possibility due to thermal or mechanical shock 6.1 The extremities conical or spherical (see 6.3) DEFINITION apparatus condenser : A piece of laboratory the exchange of heat between two fluids of clear conical glassware For the purposes of this International ing definition applies : Condensers shall be constructed chemical and thermal properties an intersuitable REFERENCES IS0 383, Laboratoy ground joints MATERIAL Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 12/25/2007 05:15:20 MST name or mark; joints marked on IS0 4799-1978 (E) DIMENSIONS DESIGN Typical 8.1 AND condenser Liebig-West designs and essential dimensions are indicated in 8.1 to 8.5 condenser Dimensions dl d2 min 100 15 160 20 12 24 16 # 250 d2 dl I 400 630 - max in millimetres 1000 NOTE joints, - In the case of condensers not provided with conical ground the wide end and the stem shall have the following dimensions - wide end : length diameter 75 22 - stem : length diameter 115 13 : `,``,,,,,,,,`,,,`,``,``,```,-`-`,,`,,`,`,,` - ’ L Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 12/25/2007 05:15:20 MST IS0 4799-1978 (El 8.2 Allihn condenser Shapes of enlargement Oval Spherical Pear-shaped T + - \ - ‘ii - Spherical, pear-shaped oval or bulb Dimensions in millimetres ) ,i 1; 1;, 1; ) :: NOTE joints, / 40 32 25 - In the case of condensers not provided with conical ground the wide end and the stem shall have the following dimensions - wide end : length diameter 75 22 - stem : length diameter 115 13 `,``,,,,,,,,`,,,`,``,``,```,-`-`,,`,,`,`,,` - > CD - / : Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 12/25/2007 05:15:20 MST IS0 4799-1978 8.3 Coiled distillate (El condenser with socket only Dimensions Minimum number turns in coil of 160 250 400 630 10 16 25 40 NOTE - If the condenser is provided selected from the k6 series of IS0 383 with 32 Coil dimensions `,``,,,,,,,,`,,,`,``,``,```,-`-`,,`,,`,`,,` - Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS in millimetres Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 12/25/2007 05:15:20 MST a cone, this shall be IS0 4799-7978 (E) 8.4 Graham condenser `,``,,,,,,,,`,,,`,``,``,```,-`-`,,`,,`,`,,` - Dimensions 11 For coil dimensions, -r; ~/ see 8.3 I i / q J 32 Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 12/25/2007 05:15:20 MST in millimetres IS0 4799-1978 8.5 Jacketed (E) coil condenser with cone and socket Dimensions I I I Minimum number turns in coil For coil dimensions, of I I 160 250 400 14 23 see 8.3 `,``,,,,,,,,`,,,`,``,``,```,-`-`,,`,,`,`,,` - Alternative design of the lower part of the coolant tube Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS in millimetres I Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 12/25/2007 05:15:20 MST