BS EN 1557-1997 Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X Y Z tristimulus values in transmission《表面活性剂 运送过程中光学透明彩色液体.pdf
《BS EN 1557-1997 Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X Y Z tristimulus values in transmission《表面活性剂 运送过程中光学透明彩色液体.pdf》由会员分享,可在线阅读,更多相关《BS EN 1557-1997 Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X Y Z tristimulus values in transmission《表面活性剂 运送过程中光学透明彩色液体.pdf(16页珍藏版)》请在麦多课文档分享上搜索。
1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1557 : 1997 The Eur
2、opean Standard EN 1557 : 1996 has the status of a British Standard ICS. 71.100.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Surface active agents Colorimetric characterization of optically clear coloured liquids (products) as X, Y , Z tristimulus values in transmissionBS
3、 EN 1557 : 1997 This British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 May 1997 BSI 1997 The following BSI references relate to the work on this standard: Co
4、mmittee reference CII/34 Draft for comment 94/505626 DC ISBN 0 580 27088 2 Amendments issued since publication Amd. No. Date Text affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee CII/34, Methods of test for surfac
5、e active agents, upon which the following bodies were represented: British Association for Chemical Specialities Chemical Industries Association Chemical Industries Association (GOSIP) Laboratory of the Government Chemist Ministry of Defence (DRA) Soap and Detergent Industry AssociationBS EN 1557 :
6、1997 BSI 1997 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 1557 3ii BSI 1997 BS EN 1557 : 1997 National foreword This British Standard has been prepared by Technical Committee CII/34, and is the English language version of EN 1557 : 1996 Surfac
7、e active agents Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z, tristimulus values in transmission, published by the European Committee for Standardization (CEN). Cross-references Publication referred to Corresponding British Standard ISO 4630 : 1981 BS 6782
8、: Binders for paints Part 5 : 1987 Method for estimation of colour of clear liquids by the Gardner colour scale ISO 7724-1 : 1984 BS 3900 : Methods of test for paints Group D : Optical tests on paint films Part D8 : 1986 Determination of colour and colour difference: principles Compliance with a Bri
9、tish Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 10, an inside back cover and a back cover.CEN European Committee for Standardization Comite Europe en
10、de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members. Ref. No. EN 1557 : 1996 E EUROPEAN STANDARD EN 1557 NORME EUROPE ENNE EUROPA ISCHE NORM September 1996 ICS 71.100.40 Descriptors: Surfactants, soluble
11、matter, colorimetric properties, measurements, colours, comparison, photometry English version Surface active agents Colorimetric characterization of optically clear coloured liquids (products) as X, Y , Z Tristimulus values in transmission Agents de surface Caracte risation colorime trique des liqu
12、ides (produits) colore s optiquement clairs par composantes trichromatiques X, Y , Z en transmittance Grenzfla chenaktive Stoffe Farbmetrische Charakterisierung von optisch klaren, gefa rbten Flu ssigkeiten (Produkten) als X-, Y -, Z- Transmissions-Farbwert This European Standard was approved by CEN
13、 on 1996-08-25. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may
14、be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Centr
15、al Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 1557
16、: 1996 BSI 1997 Foreword This European Standard has been prepared by the Technical Committee CEN/TC 276, Surface active agents, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorse
17、ment, at the latest by March 1997, and conflicting national standards shall be withdrawn at the latest by March 1997. Annexes A, B, C and D are informative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this
18、European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. Contents Page Foreword 2 0 Introduction 3 1 Scope 3 2 Normative references 3 3 Principle 3 4 Apparatus and r
19、eagents 3 5 Preparation of the test sample 4 6 Procedure 4 7 Calculation 4 8 Test report 5 Annex A (informative) Colour numbers in comparison 5 Annex B (informative) Bibliography 9 Annex C (informative) Notes on procedure 9 Annex D (informative) Results of a ring test of APHA-measurements 10Page 3 E
20、N 1557 : 1996 BSI 1997 0 Introduction The basic disadvantage of visual subjective comparisons of coloured solutions is that individuals differ in their perception of colour ; added to this is the difficulty of describing shade variations verbally with reference to agreed scales for coloured liquids.
21、 1 Scope This European Standard specifies a method for the colorimetric characterization of optically clear, slightly tinted liquids (products) by broad-band measurement of pure transmittance with tristimulus value measuring filters as T X , T Y and T Z . Since the tristimulus value measuring filter
22、s of simple tristimulus colorimeters meet the Luther condition to a limited extent only it is necessary to deliberately restrict the liquids (products) to slightly tinted ones in order to be able to measure them sufficiently exactly with a single calibration against uncoloured distilled water. If th
23、e colour of heavily coloured solutions is measured with simple tristimulus colorimeters, it is necessary to calibrate the instrument with a spectrometrically measured standard of very similar colour. 2 Normative references This European Standard incorporates by dated or undated reference, provisions
24、 from other publications. These 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 ame
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BSEN15571997SURFACEACTIVEAGENTSCOLORIMETRICCHARACTERIZATIONOFOPTICALLYCLEARCOLOUREDLIQUIDSPRODUCTSASXYZTRISTIMULUSVALUESINTRANSMISSION

链接地址:http://www.mydoc123.com/p-549126.html