BS ISO 18645-2016 Fertilizers and soil conditioners Water soluble fertilizer General requirements《肥料和土壤改良剂 水溶性肥料 通用要求》.pdf
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1、BSI Standards PublicationBS ISO 18645:2016Fertilizers and soil conditioners Water soluble fertilizer General requirementsBS ISO 18645:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 18645:2016. The UK participation in its preparation was entrusted to Techn
2、icalCommittee CII/37, Fertilisers and related chemicals.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 application. The Br
3、itish Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 82554 5 ICS 65.080 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 Marc
4、h 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 18645:2016 ISO 2016Fertilizers and soil conditioners Water soluble fertilizer General requirementsMatires fertilisantes Engrais soluble dans leau Exigences gnralesINTERNATIONAL STANDARDISO18645First edition2016-0
5、3-15Reference numberISO 18645:2016(E)BS ISO 18645:2016ISO 18645:2016(E)ii ISO 2016 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by
6、any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 40
7、1CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 18645:2016ISO 18645:2016(E)Foreword iv1 Scope . 12 Normative references 13 Requirement . 24 Test method . 34.1 Visual inspection for foreign matter . 34.2 Determination of nitrogen, phosph
8、orus and potassium contents . 34.3 Determination of calcium, magnesium and sulphur contents . 34.4 Determination of molybdenum, boron and manganese, zinc, copper and iron contents. 44.5 Determination of the chelated fraction of micro-nutrients 44.6 Determination of the mass fraction of water insolub
9、le matter . 44.6.1 Principle 44.6.2 Reagents and materials 44.6.3 Apparatus . 44.6.4 Ambient temperature controlled at (20 10) C . 44.6.5 Test procedure . 44.6.6 Calculation of the test result 54.6.7 Tolerance 54.7 Determination of the pH value 54.8 Determination of arsenic, cadmium, lead, chromium
10、and mercury contents 54.9 Determination of biuret content 54.10 Determination of mass fraction of chloride . 55 Sampling and preparation of test sample 55.1 Sampling method 55.1.1 Products in bags . 55.1.2 Products in bulk 55.2 Reduction of samples 65.3 Test sample preparation . 66 Marking and label
11、ling . 67 Package, transport and storage 7Bibliography 8 ISO 2016 All rights reserved iiiContents PageBS ISO 18645:2016ISO 18645:2016(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing I
12、nternational Standards 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
13、 with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directi
14、ves, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some
15、of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarati
16、ons received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about
17、ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 134, Fertilizers and soil conditioners.iv ISO 2016 All rights reservedBS ISO 18645:2016INTERNATIONAL STANDARD
18、 ISO 18645:2016(E)Fertilizers and soil conditioners Water soluble fertilizer General requirements1 ScopeThis International Standard specifies the requirements for testing methods, sampling and preparation of test sample, marking and labelling, as well as package, transport, and storage of water solu
19、ble fertilizers.This International Standard is applicable to water soluble fertilizers which are completely soluble in water and are suitable for fertigation and sprinkling irrigation, as well as for foliar application (foliar feeding).2 Normative referencesThe following documents, in whole or in pa
20、rt, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 3696, Water for analytical laboratory use Spec
21、ification and test methodsISO 5315, Fertilizers Determination of total nitrogen content Titrimetric method after distillationISO 6353-1:1982, Reagents for chemical analysis Part 1: General test methodsISO 6598, Fertilizers Determination of phosphorus content Quinoline phosphomolybdate gravimetric me
22、thodISO 7409, Fertilizers Marking Presentation and declarationsISO 7410, Fertilizers and soil conditioners Final samples Practical arrangementsISO 7742:1988, Solid fertilizers Reduction of samplesISO 8633, Solid fertilizers Simple sampling method for small lotsISO 17318, Fertilizers and soil conditi
23、oners Determination of arsenic, cadmium, chromium, lead and mercury contentsISO 17319, Fertilizers and soil conditioners Determination of water-soluble potassium content Potassium tetraphenylborate gravimetric methodISO 18643, Fertilizers and soil conditioners Determination of biuret content of urea
24、-based fertilizers HPLC methodEN 16195, Fertilizers Determination of chlorides in the absence of organic materialCEN/TS 16196, Fertilizers Manganimetric determination of extracted calcium following precipitation in the form of oxalateEN 16198, Fertilizers Determination of magnesium by complexometryE
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