ISO INTERNATIONAL STANDARD 9622 IDF 141 Second edition 2013-09-15 Milk and liquid milk products Guidelines for the application of mid- infrared spectrometry Lait et produits laitiers liquides-Lignes directrices pour I'application de la spectrometrie dans lemoyen infrarouge Referencenumbers ISO9622:2013(E) IDF141:2013(E) CopyihtInternatinal Organization for Standardization IS0 andIDF2013 without license from IHS Not for Resale IS0 9622:2013(E) IDF141:2013(E) COPYRIGHTPROTECTEDDOCUMENT ISO0/IDF2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by 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 or IDF at the respective address below or ISO's member body in the country of the requester ISO copyright office International DairyFederation Case postale 56. CH-1211 Geneva 20 SilverBuilding·BdAuguste Reyers70/B·B-1030Brussels Tel.+41227490111 Tel. + 32 2 733 98 88 Fax+41227490947 Fax+3227330413 E-mail [email protected] E-mail [email protected] Web www.iso.org Web www.fil-idf.org Published in Switzerland @ISO and IDF2013-All rights reserved networking permited without license from IHS Not for Resale IS0 9622:2013(E) IDF141:2013(E) Contents Page Foreword ..iv 1 Scope ..1 2 Normativereferences 3 Terms and definitions 4 Principle ..2 5 Principal characteristics of infrared instruments ..2 6 Factors affecting the measurements .2 6.1 Instrumentfactors. .2 6.2 Physico-chemical and biological factors. .5 7 Calibration of the instrument .8 7.1 Objective. .8 7.2 Spectrum calibration models. 7.3 Coresettings .9 7.4 Checking the slope and intercept .9 8 Sampling. ..10 9 Determination .10 10 Checkingdaily short-term stabilityofthe instrument .10 10.1 General .10 10.2 Preparation and storage of control samples .10 10.3 Analysis of control samples... .11 10.4 Monitoring the analytical procedure ..11 10.5 Re-adjustment of instrument settings .11 11 Precision .12 11.1 Repeatability ..12 11.2 Intra-laboratory reproducibility ..12 11.3 Reproducibility .12 12 Test report .13 Bibliography ..14 iii IHS under I thout license from IHS Not for Resale

.pdf文档 ISO 9622 2013 Milk and liquid milk products — Guidelines for the application of mid-infrared spectrometry

文档预览
中文文档 23 页 50 下载 1000 浏览 0 评论 309 收藏 3.0分
温馨提示:本文档共23页,可预览 3 页,如浏览全部内容或当前文档出现乱码,可开通会员下载原始文档
ISO 9622 2013 Milk and liquid milk products — Guidelines for the application of mid-infrared spectrometry 第 1 页 ISO 9622 2013 Milk and liquid milk products — Guidelines for the application of mid-infrared spectrometry 第 2 页 ISO 9622 2013 Milk and liquid milk products — Guidelines for the application of mid-infrared spectrometry 第 3 页
下载文档到电脑,方便使用
本文档由 人生无常 于 2024-08-26 00:16:26上传分享
站内资源均来自网友分享或网络收集整理,若无意中侵犯到您的权利,敬请联系我们微信(点击查看客服),我们将及时删除相关资源。