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1、BRITISH STANDARD BS EN 12944-3:2002 Fertilizers and liming materials Vocabulary Part 3: Terms relating to liming materials The European Standard EN 12944-3:2001 has the status of a British Standard ICS 65.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Licensed Copy: sheff
2、ieldun sheffieldun, na, Sat Oct 28 05:05:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 12944-3:2002 This British Standard, having been prepared under the direction of the Materials and Chemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and
3、 Strategy Committee on 28 January 2002 BSI 28 January 2002 ISBN 0 580 38917 0 National foreword This British Standard is the official English language version of EN 12944-3:2001. The UK participation in its preparation was entrusted to Technical Committee CII/37, Fertilizers and related chemicals, w
4、hich has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue un
5、der the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct
6、application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor rel
7、ated international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 17 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued.
8、 Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 05:05:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12944-3 November 2001 ICS 01.040.65; 65.080 English version Fertilizers and limin
9、g materials - Vocabulary - Part 3: Terms relating to liming materials Engrais et amendements calciques et/ou magnsiens - Vocabulaire - Partie 3: Termes relatifs aux amendements calciques et/ou magnsiens Dngemittel und Calcium-/Magnesium- Bodenverbesserungsmittel - Wrterbuch - Teil 3: Begriffe fr Cal
10、cium-/Magnesium-Bodenverbesserungsmittel This European Standard was approved by CEN on 29 September 2001. 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 alteratio
11、n. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the 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 translation
12、under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Lu
13、xembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2001 CENAll rights of exploitation in any form and by an
14、y means reserved worldwide for CEN national Members. Ref. No. EN 12944-3:2001 E Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 05:05:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12944-3:2001 (E) 2 Foreword This European Standard has been prepared by CEN/TC 260 “Fertilizers and liming mat
15、erials“, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2002, and conflicting national standards shall be withdrawn at the latest by May 2002. This Eu
16、ropean standard is in three parts: ? Part 1:General terms. ? Part 2:Terms relating to fertilizers. ? Part 3:Terms relating to liming materials. These definitions may not necessarily correspond with those used in national legislation. NOTEA classification scheme for fertilizers and liming materials i
17、s given in EN 13535. The annexes A and B are informative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Ice
18、land, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 05:05:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12944-3:2001 (E) 3 1 Scope This European Standard defines terms relating t
19、o liming materials. An index of all terms defined in this part of EN 12944, with their French and German equivalents, is given in annex A. A general index of all terms defined in all three parts of EN 12944, with their French and German equivalents, is given in annex B. 2 Terms and definitions 2.1 T
20、erms relating to products or production 2.1.1 calcination burning or heating of a material, usually in order to remove volatile components or in order to change the crystal structure 2.1.2 carbonation conversion of slaked lime to carbonate by uptake of carbon dioxide 2.1.3 chalk form of calcium carb
21、onate derived from the skeletons of microscopic marine organisms 2.1.4 wet grinding grinding of material in the presence of water 2.1.5 degree of burning degree to which carbon dioxide has been removed during the production of quicklime or burnt dolomite 2.1.6 lime-burnt dolomite dolomitic limestone
22、 calcined to the same carbon dioxide level as normally burnt limestone 2.1.7 burnt dolomite liming material mainly consisting of calcium oxide and magnesium oxide obtained by calcination of dolomitic limestone 2.1.8 burnt magnesium lime liming material mainly consisting of calcium oxide and magnesiu
23、m oxide obtained by calcination of magnesian limestone 2.1.9 free lime the calcium oxides and/or hydroxides which have not reacted with the liming material they are included in NOTEA definition of free lime relating to soils is given in 2.4.4. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 0
24、5:05:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12944-3:2001 (E) 4 2.1.10 kiln general term for the equipment used for lime burning 2.1.11 rotary kiln rotary tubular counter-current kiln 2.1.12 shaft kiln kiln constructed as a vertical combustion shaft 2.1.13 lime general term for burnt lime a
25、nd hydrated lime 2.1.14 burnt lime quick lime liming material consisting mainly of calcium oxide, or a mixture of calcium oxide and possibly magnesium oxide, produced by the calcination of limestone, magnesian limestone or dolomitic limestone 2.1.15 filter lime liming material in the form of dust, o
26、btained from flue gases during lime burning 2.1.16 slaked lime hydrated lime liming material consisting mainly of calcium hydroxide, or a mixture of calcium hydroxide and possibly magnesium hydroxide, produced by a controlled reaction between burnt lime and water NOTEThe reaction between burnt lime
27、and water is referred to as “slaking“. 2.1.17 limestone natural rock consisting mainly of varying amounts of calcium carbonate and magnesium carbonate, containing less than a mass fraction of 2 % of magnesium expressed as Mg 2.1.18 magnesian limestone natural rock consisting mainly of varying amount
28、s of calcium carbonate and magnesium carbonate, containing a mass fraction of at least 2 % and less than 10 % of magnesium expressed as Mg 2.1.19 dolomitic limestone natural rock consisting mainly of varying amounts of calcium carbonate and magnesium carbonate, containing a mass fraction of at least
29、 10 % of magnesium expressed as Mg 2.1.20 liming material agricultural lime inorganic material containing one or both of the elements calcium and magnesium, mainly in the form of oxide, hydroxide, carbonate, or silicate, principally intended to maintain or raise the pH in soil and water and to impro
30、ve plant nutrition and to modify physical properties of soil NOTE 1The term “lime” is also used but “liming material“ or “agricultural lime” are preferred. NOTE 2In France, the expression “amendement minral basique“ is now preferred to “amendement calcique et/ou magnsien“ (liming product) when refer
31、ring to of a product having an effect on the pH of the soil. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 05:05:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12944-3:2001 (E) 5 2.1.21 silicate liming material basic slag from metallurgical processes such as blast furnaces or converters 2
32、.1.22 blast furnace lime blast furnace slag product from ironmaking consisting mainly of calcium silicates and magnesium silicates 2.1.23 converter lime converter slag product from steelmaking consisting mainly of calcium silicates 2.1.24 sludge liming material product from industry consisting of ca
33、lcium carbonate and/or calcium hydroxide and a substantial amount of water 2.1.25 sugar factory lime product from the sugar industry obtained by carbonation and containing calcium carbonate 2.1.26 marl soft natural deposit containing varying amounts of calcium carbonate mixed with clay 2.1.27 carbon
34、ate rock natural rock with a carbonate mineral as its main constituent NOTELimestone, chalk, dolomitic limestone and magnesite are examples of carbonate rocks. 2.1.28 calcite trigonal crystalline form of calcium carbonate 2.1.29 aragonite orthorhombic crystalline form of calcium carbonate 2.1.30 mag
35、nesite crystalline mineral with the chemical composition magnesium carbonate isomorphic with calcite 2.1.31 slag general term for a liming material from metallurgical processes consisting mainly of calcium silicates and magnesium silicates 2.1.32 dry slaking slaking of burnt lime with least possible
36、 amount of water resulting in a powdery slaked lime 2.1.33 wet slaking slaking of burnt lime with surplus water resulting in slaked lime in the form of milk-of-lime, slurry or paste Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 05:05:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12944-3:
37、2001 (E) 6 2.1.34 liming material of natural origin calcium or calcium and magnesium carbonates, oxides and hydroxides produced from naturally occuring geological deposits 2.2 Terms relating to physical or physico-chemical properties 2.2.1 acid insoluble residue matter remaining after the liming mat
38、erial has been dissolved in hydrochloric acid (HCl) NOTEFor the English term “acid insoluble residue“ AIR is commonly used as an abbreviation. 2.2.2 alkaline solution basic solution solution with a pH higher than 7 2.2.3 alkalinity capacity to neutralize acids, i.e. absorbing hydrogen ions 2.2.4 aci
39、d solution solution with a pH lower than 7 2.2.5 acidification natural or imposed process resulting in lower pH values in soils, watercourses and lakes 2.2.6 buffer capacity capacity to resist a change in pH value when acid or alkali is added 2.2.7 basicity ratio between alkaline oxides and acidic o
40、xides 2.2.8 neutralization reaction when a surplus of H+ or OH- is eliminated through addition of alkali or acid respectively NOTELiming materials are used to eliminate surplus of H+ . 2.2.9 carbon dioxide residue residual carbonate content measured as carbon dioxide (CO2) in burnt lime 2.2.10 loss
41、on ignition mass loss by heating a dried sample to constant mass at a specified temperature NOTEFor the English term “loss on ignition“ LOI is commonly used as an abbreviation. 2.2.11 neutralizing effect ability of a liming material to neutralize soil acidity or water acidity Licensed Copy: sheffiel
42、dun sheffieldun, na, Sat Oct 28 05:05:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12944-3:2001 (E) 7 2.2.12 pH value 10-logarithm for the inverted value of the hydrogen ion activity in a solution 2.2.13 neutralizing value NV number which represents the amount in kilograms of calcium oxide (CaO)
43、 which has the same neutralizing effect as 100 kg of the product under consideration 2.2.14 reactivity rate of reaction of a liming material with acid under specified conditions 2.2.15 specific area particle surface area per volume of a mineral product including possible internal pores 2.3 Terms rel
44、ating to agricultural and environmental liming purposes and use 2.3.1 liming for preservation purposes periodic liming of soils or water to correct and maintain the pH value appropriate for the habitat in question 2.3.2 liming for rehabilitation purposes liming of soils or water in one or several st
45、eps to increase the pH value to a level appropriate for the habitat in question 2.3.3 liming for soil protection purposes liming of arable grass land or forest soils to limit erosion and maintain the soil pH at a level which inhibits the availability of harmful minor elements 2.4 Terms relating to l
46、iming effect 2.4.1 lime requirement amount of liming material required to replace the loss of lime in the soil or in the water occurring in the habitat, or needed to reach a defined level 2.4.2 liming effect effect of a liming material on soil physical properties and pH increase 2.4.3 total liming e
47、ffect theoretical maximum acid neutralizing capacity when a liming material has stopped reacting in the soil or in the water 2.4.4 free lime soil excess liming material calcium or magnesium carbonates and/or hydroxides which have not reacted with any soil particles NOTEA definition of free lime rela
48、ting to products or production is given in 2.1.9. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 05:05:55 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12944-3:2001 (E) 8 Annex A (informative) Index (E)(F)(D) A acid insoluble residueinsoluble chlorhydriquesureunlslicher Rckstand2.2.1 acid so
49、lutionsolution acidesaure Lsung2.2.4 acidificationacidificationVersauerung2.2.5 agricultural limeamendement minral basiqueKalkdnger (fr die Landwirtschaft)2.1.20 alkaline solutionsolution alcalinealkalische Lsung2.2.2 alkalinityalcalinitAlkalitt2.2.3 aragonitearagoniteAragonit2.1.29 B basic solutionsolution basiquebasische Lsung2.2.2 basicitybasicitBasizitt2.2.7 blast furnace limelaitier de hauts-fourneauxHttenkalk2.1.22 blast furnace slagscorie de hauts-fourneauxHochofenschlacke2.1.22 buffer capacitypouvoir tamponPuffervermgen2.2.6 burnt
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