INTERNATIONAL ISO/ASTM STANDARD 51401 Third edition 2013-11-15 Practiceforuseofadichromatedosim- etrysystem Pratique de I'utilisation d'un systeme dosimetrique au dichromate Referencenumber ISO/ASTM 51401:2013(E) INTERNATI ISO/ASTM International2013 Not fr esale ISO/ASTM51401:2013(E) PDF disclaimer This PDF file maycontain embedded typefaces. In accordance withAdobe's licensing policy,this file may be printed or viewed but e editing responsibility of not infringing Adobe's licensing policy. Neither the iso Central Secretariat nor ASTM Intemational accepts any liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation intemational at the addresses given below. @ISO/ASTM International 2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utlized in any form or by any means, electronic or mechanical ncluding photocopying and microfim, without permission in witing from either ISO at the address below or iso's member body in the county of therequester.In the United States,suchrequests shouldbe sent toASTM Intemational. ISO copyright office ASTM International,100 Barr Harbor Drive, PO Box C700, Case postale 56 · CH-1211 Geneva 20 Tel. +41 22 749 01 11 Tel. +610 832 9634 Fax +41 22 749 09 47 Fax +610 8329635 E-mail copyright@iso.org E-mail khooper@astm.org Web www.iso.org Web www.astm.org Published in Switzerland @ ISO/ASTM International 2013-All rights reserved Not fr esale ISO/ASTM 51401:2013(E) Contents Page 1 2 Referenceddocu 1 3 Terminology 2 4 Significance and use 2 5 Effect of influencequantities 2 6 Interferences 2 Apparatus 3 Reagents.... 3 9 Preparationofdosin 34 Calibrationofthedosimetrysystem 11 Applicationofdosimetrysystem 5 12 Minimum documentation requirements 6 13 Measurementuncertainty 6 14 Keywords. 6 Figure1 Relative response of dichromate dosimeter as a function of irradiation temperature. A fit of the data using Eq 1 yields fit parameters as follows: b, = 1.021;b, = -6.259 × 10-5;b, = 1.806.. 3 Figure 2 Response of high-range dosimeter in terms of A as a function of absorbed dose to water.A least-squares third order polynomial fit (see Eq 4) of the data yields fit parameters as follows:b,= 7.515 ×10-^;b, =1.745 ×10-2; b, = 3.485 × 10-6;b3 = 2.765 × 107 5 Figure 3 Response of the low-range dosimeter in terms of A as a function of absorbed dose to water.A least-squares second order polynomial fit (see Eq 4) of the data yields fit parameters as follows:bo = -1.162 × 10-;b, = 1.200 × 10-′; 3.398×10-4 5 Table1 Effect of irradiation temperature on dosimeter response 2 Table2 Typical dichromate calibration data . 5 ISO/ASTM International 2013-All rights reserved Not for Resale