1、BRITISH STANDARD BS EN ISO1248:2008Iron oxide pigments Specifications andmethods of testICS 87.060.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g5
2、8Incorporating corrigendaSeptember 2007 and September 2008National forewordThis British Standard is the UK implementation of EN ISO 1248:2008. It is identical to ISO 1248:2006, incorporating corrigenda September 2007 and September 2008. It supersedes BS 3981:1976 which is withdrawn.The UK participat
3、ion in its preparation was entrusted to Technical Committee STI/1, Pigments.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct
4、 application.Compliance with a British Standard cannot confer immunity from legal obligations.BS EN ISO 1248:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2008 BSI 2010Amendments/corrigenda issued since publicationDate Comments
5、 30 April 2010 Implementation of ISO corrigendum September 2008; 8.2.23 and 8.2.24 amendedISBN 978 0 580 60465 230 April 2008Implementation of ISO corrigendum September 2007; Correction to 10.2.2.10EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 1248March 2008ICS 87.060.10English VersionIron o
6、xide pigments - Specifications and methods of test (ISO1248:2006 including Technical Corrigendum 1:2007)Pigments base doxydes de fer - Spcifications etmthodes dessai (ISO 1248:2006 Corrigendum tchnique1:2007 inclus)Eisenoxid-Pigmente - Anforderungen und Prfverfahren(ISO 1248:2006, einschlielich Tech
7、nische Korrektur1:2007)This European Standard was approved by CEN on 28 February 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists a
8、nd bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibi
9、lity of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, I
10、reland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart,
11、36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 1248:2008: EForeword The text of ISO 1248:2006 including Technical Corrigendum 1:2007 has been prepared by Technical Committee ISO/TC 35 “Paints and varnishe
12、s” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 1248:2008 by Technical Committee CEN/TC 298 “Pigments and extenders” the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publicatio
13、n of an identical text or by endorsement, at the latest by September 2008, and conflicting national standards shall be withdrawn at the latest by September 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC s
14、hall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, E
15、stonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 1248:2006 including Technical Co
16、rrigendum 1:2007 has been approved by CEN as a EN ISO 1248:2008 without any modification. BS EN ISO 1248:2008EN ISO 1248:2008 (E)iiiContents Page Foreword iv 1 Scope . 1 2 Normative references . 1 3 Description 2 4 Classification. 2 4.1 General. 2 4.2 Criteria for classification 2 5 Designation . 4
17、6 Required characteristics and associated tolerances 5 7 Sampling 5 8 Determination of total iron, expressed as iron(III) oxide (Fe2O3) 7 8.1 Method A 7 8.2 Method B 9 9 Test for presence of lead chromate 12 9.1 Reagents 12 9.2 Procedure 12 10 Determination of total calcium 12 10.1 Flame atomic abso
18、rption spectrometric (AAS) method . 12 10.2 Titrimetric method 16 11 Test for organic colouring matter . 18 11.1 Reagents 18 11.2 Procedure 18 11.3 Expression of results . 18 12 Test report . 19 Annex A (informative) Decontamination of the waste solutions containing mercury 20 Bibliography . 21 BS E
19、N ISO 1248:2008EN ISO 1248:2008 (E)iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body
20、 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 part in the work. ISO collaborates closely with the International Electrotec
21、hnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by
22、the 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 document may be the subject of patent righ
23、ts. ISO shall not be held responsible for identifying any or all such patent rights. ISO 1248 was prepared by Technical Committee ISO/TC 35, Paints and varnishes, Subcommittee SC 2, Pigments and extenders. This second edition cancels and replaces the first edition (ISO 1248:1974), which has been tec
24、hnically revised. BS EN ISO 1248:2008EN ISO 1248:2008 (E)1Iron oxide pigments Specifications and methods of test 1 Scope This International Standard specifies the requirements and the corresponding methods of test for all manufactured and natural iron oxide pigments, in dry form, suitable for genera
25、l use. These pigments are identified by Colour Index Nos.1)red 101 and 102, yellow 42 and 43, brown 6 and 7 and black 11, and includes “rapid-dispersion pigments”. This International Standard does not cover micaceous iron oxide pigments (see Note 1), transparent iron oxide pigments, granular grey ir
26、on oxide (see Note 2) or magnetic iron oxide pigments other than those of Colour Index Pigment black 11. NOTE 1 The requirements and the corresponding methods of test for micaceous iron oxide pigments are specified in ISO 10601. NOTE 2 Granular grey iron oxides are too abrasive for general use. 2 No
27、rmative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3851, Laboratory glassware
28、 Burettes Part 1: General requirements ISO 648, Laboratory glassware One-mark pipettes ISO 787-1, General methods of test for pigments and extenders Part 1: Comparison of colour of pigments ISO 787-2, General methods of test for pigments and extenders Part 2: Determination of matter volatile at 105
29、C ISO 787-3, General methods of test for pigments and extenders Part 3: Determination of matter soluble in water Hot extraction method ISO 787-4, General methods of test for pigments and extenders Part 4: Determination of acidity or alkalinity of the aqueous extract ISO 787-5, General methods of tes
30、t for pigments and extenders Part 5: Determination of oil absorption value ISO 787-7, General methods of test for pigments and extenders Part 7: Determination of residue on sieve Water method Manual procedure 1) The Colour Index is published by The Society of Dyers and Colourists, PO Box 244, Perkin
31、 House, 82 Grattan Road, Bradford, West Yorkshire BD1 2JB, United Kingdom; and the American Association of Textile Chemists and Colorists, National Headquarters, Box 12215, Research Triangle Park, N.C. 27709, USA. BS EN ISO 1248:2008EN ISO 1248:2008 (E)2 ISO 787-9, General methods of test for pigmen
32、ts and extenders Part 9: Determination of pH value of an aqueous suspension ISO 787-13, General methods of test for pigments and extenders Part 13: Determination of water-soluble sulfates, chlorides and nitrates ISO 787-16, General methods of test for pigments and extenders Part 16: Determination of
33、 relative tinting strength (or equivalent colouring value) and colour on reduction of coloured pigments Visual comparison method ISO 1042, Laboratory glassware One-mark volumetric flasks ISO 3696, Water for analytical laboratory use Specification and test methods ISO 15528, Paints, varnishes and raw
34、 materials for paints and varnishes Sampling 3 Description The iron oxide pigments covered by this International Standard consist mainly of iron oxides and hydrated iron oxides. Their colours are usually red, yellow, brown or black. 4 Classification 4.1 General In this International Standard, iron o
35、xide pigments are classified as follows: by groups depending on their colour; by categories depending on their iron content, expressed as iron(III) oxide; by types depending on their content of water-soluble matter and their total content of water-soluble chlorides and sulfates, expressed as the ion
36、s Cland SO42; by grades depending on their residue on sieve; by classes depending on their origin. 4.2 Criteria for classification 4.2.1 Groups Depending on their colour, iron oxide pigments are divided into four groups: reds; yellows; browns; blacks. BS EN ISO 1248:2008EN ISO 1248:2008 (E)34.2.2 Ca
37、tegories Depending on their minimum iron content, expressed as iron(III) oxide, iron oxide pigments are divided into the categories shown in Table 1. Table 1 Categories of iron oxide pigments Minimum iron content, expressed as Fe2O3Group Category % (by mass) Colour Index No. Red A 95 Pigment red 101
38、 77491 B C D 70 50 10 Pigment red 102 77491 Yellow A 83 Pigment yellow 42 77492 B C D 70 50 10 Pigment yellow 43 77492 Brown A 87 Pigment brown 6 77491, 77492 or 77499 B C 70 30 Pigment brown 7 77491, 77492 and/or 77499 Black A B 95 70 Pigment black 11 77499 4.2.3 Types Depending on their content of
39、 water-soluble matter and their total content of water-soluble chlorides and sulfates, iron oxide pigments are divided into the types shown in Table 2. Table 2 Types of iron oxide pigments Type Ia Type II Type III Characteristic Red and brown only Red and brown only Yellow and black only All pigment
40、s Method of test Matter soluble in water (determined after drying at 105 C), % (by mass) u 0,3 0,3 and u 1 u 1 1 and u 5 ISO 787-3 Sum of water-soluble chlorides and sulfates, expressed as the ions Cland SO42, % (by mass) u 0,1 ISO 787-13 aType I pigments are used in making anticorrosive paints.4.2.
41、4 Grades Depending on their residue on sieve, iron oxide pigments are divided into the grades shown in Table 3. BS EN ISO 1248:2008EN ISO 1248:2008 (E)4 Table 3 Grades of iron oxide pigments Grade 1 Grade 2 Grade 3 Characteristic Red, yellow, brown and black Method of test Residue on sieve (45 m), %
42、 (by mass) u 0,01 0,01 and u 0,1 0,1 and u 1 ISO 787-7 4.2.5 Classes Depending on their origin, iron oxide pigments are divided into four classes: class a manufactured pigments without extenders; class b natural pigments without extenders; class c mixtures of natural and manufactured pigments withou
43、t extenders; class d mixtures of pigments with extenders. For classes a, b and c, the permitted maximum content of calcium (as CaO) is shown in Table 4. 5 Designation The designation of an iron oxide pigment shall include the following. a) An indication of the colour group to which it belongs, to wh
44、ich may be added a more precise indication of the actual colour (preferably by means of colorimetric data). The following additional items may be included in this part of the designation: the common name in some countries, especially for natural pigments ochre, umber, (terra di) Sienna, etc.; an ind
45、ication of the treatment it has undergone (e.g. burnt, washed). b) A reference to this International Standard, i.e. ISO 1248. c) The category of the iron oxide pigment. d) Its type. e) Its grade. f) Its class. EXAMPLES Red iron oxide ISO 1248-A-I-2-a Yellow iron oxide (washed ochre) ISO 1248-D-II-3-
46、b. BS EN ISO 1248:2008EN ISO 1248:2008 (E)56 Required characteristics and associated tolerances 6.1 For iron oxide pigments complying with this International Standard, the essential requirements are specified in Table 4 and the conditional requirements are listed in Table 5. The conditional requirem
47、ents shall be specified by agreement between the interested parties. 6.2 The agreed reference pigment referred to in Table 5 shall comply with the requirements of Table 4. 7 Sampling Take a representative sample of the product to be tested, as described in ISO 15528. BS EN ISO 1248:2008EN ISO 1248:2
48、008 (E)Table 4 Essential requirements Requirement depending on group and categoryRed YellowBrown Black Characteristic AB C D AB C D AB C AB Methodof testTotal iron, expressed asiron(III) oxide (Fe2O3), determined onthe pigment after drying at 105 C,% (bymass)min. 95 70 50 10 83 70 50 10 87 70 30 957
49、0 See Clause 8 Matter volatile at 105 C,%(bymass)max.1 1,5 2,5 2,5 1 2,5 2,5 2,5 1 2,5 2,5 1 2,5 ISO787-2 Type I u0,3 u0,3 Type II 0,3 and u1 u1 0,3 and u1 u1 Matter soluble inwater (hotextraction method), % (bymass) Type III 1 and u5 ISO787-3 Water-solublechloridesandsulfates, expressed asionsClandSO42, % (bymass)Type1u0,1 u0,1 ISO787-13 Grade 1 u0,01Grade 2 0,01andu0,1Residue on sieve (45m), % (bymass) Grade 3 0,1 and u1 ISO787-7 Acidityor alkalinityof aqueousextract sol
