ISO INTERNATIONAL 8126 STANDARD Third edition 2019-01 Micrographics - Duplicating film, silver, diazo and vesicular Specifications and measurement for visual density Micrographie - Films de duplication argentiques, diazoiques et vésiculaires Spécifications et mesurage pour la densité visuelle Reference number IS0 8126:2019(E) so @ IS0 2019 IS0 8126:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 8126:2019(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions ..1 4 Measurement of density ..1 4.1 Method of measurement of silver-gelatin and diazo duplicates 4.2 Method of measurement of vesicular duplicates .2 4.3 Measurement areas... .2 4.3.1 Sampling aperture .2 4.3.2 Use of density patches 2 5 Visual diffuse transmission density of duplicate microforms from source documents and coM .2 5.1 Silver-gelatin duplicates 2 5.1.1 Positive-appearing duplicates. .2 5.1.2 Negative-appearing duplicates .2 5.1.3 Direct positive duplicates. .3 5.2 Diazo duplicates. .3 Projection density of vesicular duplicates. .3 6.1 Vesicular duplicates of source document microforms. 3 6.1.1 Positive-appearing vesicular duplicates of source document microforms .3 6.1.2 Negative-appearing vesicular duplicates of source document microforms .3 6.2 Vesicular duplicates of CoM microforms. ..3 @ IS0 2019 - All rights reserved iii

.pdf文档 ISO 8126 2019 Micrographics — Duplicating film, silver, diazo and vesicular — Specifications and measurement for visual density

文档预览
中文文档 10 页 50 下载 1000 浏览 0 评论 309 收藏 3.0分
温馨提示:本文档共10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 8126 2019 Micrographics — Duplicating film, silver, diazo and vesicular  — Specifications and measurement for visual density 第 1 页 ISO 8126 2019 Micrographics — Duplicating film, silver, diazo and vesicular  — Specifications and measurement for visual density 第 2 页 ISO 8126 2019 Micrographics — Duplicating film, silver, diazo and vesicular  — Specifications and measurement for visual density 第 3 页
下载文档到电脑,方便使用
本文档由 人生无常 于 2024-08-10 15:27:11上传分享
加微信群 有优惠
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。