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1、Reference number ISO 4796-1:2000(E) ISO 2000 INTERNATIONAL STANDARD ISO 4796-1 First edition 2000-04-01 Laboratory glassware Bottles Part 1: Screw-neck bottles Verrerie de laboratoire Flacons Partie 1: Flacons col vis Copyright International Organization for Standardization Provided by IHS under lic
2、ense with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 21:53:27 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 4796-1:2000(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this
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5、that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2000 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized
6、in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 ? CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 4
7、1 22 734 10 79 E-mail copyrightiso.ch Web www.iso.ch Printed in Switzerland ii ISO 2000 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 21:53:27 MDTNo reprodu
8、ction or networking permitted without license from IHS -,-,- ISO 4796-1:2000(E) ISO 2000 All rights reservediii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards
9、is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take pa
10、rt in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Standards adopted by the
11、 technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this part of ISO 4796 may be the subject of patent
12、 rights. ISO shall not be held responsible for identifying any or all such patent rights. International Standard ISO 4796-1 was prepared by Technical Committee ISO/TC 48,Laboratory glassware and related apparatus, Subcommittee SC 2,General laboratory glassware (other than measuring apparatus). Parts
13、 1 and 2 of ISO 4796 cancel and replace ISO 4796:1977 by incorporating the following changes: a)bottles with capacities of 25 ml, 15 000 ml and 20 000 ml have been added; b)the material has been more precisely defined; c)the International Standard has been divided into three parts. ISO 4796 consists
14、 of the following parts, under the general titleLaboratory glassware Bottles: ?Part 1: Screw-neck bottles ?Part 2: Conical neck bottles ?Part 3: Aspirator bottles Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/99725
15、45001 Not for Resale, 04/24/2007 21:53:27 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 21:53:27 MDTNo
16、 reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARDISO 4796-1:2000(E) ISO 2000 All rights reserved1 Laboratory glassware Bottles Part 1: Screw-neck bottles 1Scope This part of ISO 4796 specifies a series of screw-neck bottles suitable for the storage of fluid
17、liquid and solid chemicals and reagents in general laboratory use. These bottles are also suitable for the preparation and storage of microbiological growth media. 2Normative reference The following normative document contains provisions which, through reference in this text, constitute provisions o
18、f this part of ISO 4796. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part of ISO 4796 are encouraged to investigate the possibility of applying the most recent edition of the normative document
19、indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 3585:1998,Borosilicate glass 3.3 Properties. 3Capacities 3.1The nominal capacities of screw-neck bottle
20、s shall be chosen from the following series: 25 ml 50 ml 100 ml 250 ml and 500 ml; 1 l 2 l 5 l 10 l 15 l and 20 l. 3.2The nominal capacity of a bottle indicates the quantity of liquid which a bottle of average wall thickness shall contain when the bottle is filled to the turn of the shoulder. 3.3The
21、 design of the bottle shall be such that the total capacity to the base of the neck shall be approximately 15 % greater than that to the shoulder. 4Dimensions The dimensions and tolerances of screw-neck bottles are given in Figures 1 and 2 and in Table 1. Copyright International Organization for Sta
22、ndardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 21:53:27 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 4796-1:2000(E) 2 ISO 2000 All rights reserved Table 1 Dimensions Nominal capacity Total
23、 height h1 Height to shoulder h2 Outside diameter d1 Wall thickness s Internal neck diameter d2 mlmm approx. mm approx. mm approx. mm min. mm min. 257041361,012,5 508750461,015 10010060561,527 25013890701,527 500176110861,527 1 0002251531011,727 2 0002601701362,027 5 0003302081812,027 10 00041026522
24、72,727 15 0004452852682,727 20 0005053302883,027 5Construction 5.1Material 5.1.1Bottles shall be constructed of clear, colourless or amber borosilicate glass 3.3 in accordance with ISO 3585. 5.1.2Internal stress and visible defects in the glass (such as bubbles near the surface) shall be reduced to
25、a level sufficient to minimize the possibility of fracture due to thermal or mechanical shock. 5.2Design 5.2.1The base of the bottle shall be constructed so as to enable the bottle to stand firmly on a flat surface without rocking or spinning. 5.2.2The base of the bottle shall have a suitable radius
26、 so as to provide a smooth transition between the base and the side. The main portion of the side shall be: ?cylindrical for bottles with nominal capacities of 25 ml to 2 000 ml; ?slightly tapered for bottles with nominal capacities 5 l to 20 l with the smaller diameter at the base of the bottle. Th
27、e diameters d1shall be as given in Table 1. 5.2.3The shoulder of the bottle shall have a suitable radius in order to provide a smooth transition between the side and the conical upper proportion of the bottle. Copyright International Organization for Standardization Provided by IHS under license wit
28、h ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 21:53:27 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 4796-1:2000(E) ISO 2000 All rights reserved3 5.2.4The upper portion of the shoulder shall be of conical shape. The transition radius
29、from the shoulder to the neck shall be as small as possible to be compatible with good manufacturing practice. 5.2.5The bottle shall be blown so as to evenly distribute the glass in the mould avoiding sudden changes in the wall thickness. The thinnest areas shall not have a thickness less than the m
30、inimum value specified in Table 1. 5.2.6The neck of the bottle shall be stoutly constructed and finished with a strengthening lip designed to facilitate pouring without liquid running down the outside of the bottle. A clip-on anti-drip ring of plastics material fitting into a slightly recessed chann
31、el on the outside of the neck is a permitted alternative form of construction. NOTEThere are suitable national standards for the dimensions and design of the thread of the screw neck. 5.2.7The outer glass surface of the bottles may be coated with a suitable plastics material as a protection and to l
32、imit leakage of liquid if the bottle is damaged. The coating shall be resistant to steam sterilization at 135 C. 5.3Closures Bottles shall be provided with closures of a suitable inert plastics material, for example polypropylene. Closures shall form a liquid-tight seal with the threaded bottle neck
33、. Key 1Taper 1:30 Figure 1 Bottles with nominal capacities 25 ml to 2 000 ml Figure 2 Bottles with nominal capacities 5 l to 25 l Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007
34、21:53:27 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 4796-1:2000(E) 4 ISO 2000 All rights reserved 6Designation If a designation of bottles is required, this shall be by reference to this part of ISO 4796, i.e. ISO 4796-1, together with the nominal capacity of the b
35、ottle. EXAMPLEFor a bottle with a nominal capacity of 500 ml, the designation would be as follows: Laboratory bottle ISO 4796-1 - 500 7Marking 7.1Bottles complying with this part of ISO 4796 shall be marked with: a)the nominal capacity; b)the makers and/or vendors name or trade mark; c)the number of
36、 this International Standard, i.e. ISO 4796-1, or appropriate reference to the corresponding national standard. In addition, each bottle can bear an area with a surface suitable for marking with a pencil. Marks a) to c) may be moulded into the recessed base of the bottle, if the method of manufactur
37、e permits; otherwise they may be indelibly marked, in any convenient position, by etching, sandblasting or with vitreous enamel. 7.2The closures of the bottles shall be marked with the maximum permitted temperature for use or for sterilization, for example “max. 100 C“. NOTE 1Closures not marked wit
38、h a temperature can only be used at ambient temperature. NOTE 2During sterilization the closure may not be screwed more than one turn to enable pressure release. Otherwise, pressure increase in the bottle can result in fracture. Copyright International Organization for Standardization Provided by IH
39、S under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 21:53:27 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technica
40、l Standards 1/9972545001 Not for Resale, 04/24/2007 21:53:27 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 4796-1:2000(E) ICS 71.040.20 Price based on 4 pages ISO 2000 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 21:53:27 MDTNo reproduction or networking permitted without license from IHS -,-,-