1、INTERNATIONAL STANDARD ISO 10349-2 First edition 1992-12-15 Photography - Photographit-grade chemicals - Test methods - Part 2: Determination of matter insoluble in water Photographie - Produits chimiques de quake photographique - Mkthodes dessai - Partie 2: Determination des ma tieres insolubles da
2、ns Ieau Reference number ISO 10349-2:1992(E) ISO 10349=2:1992(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national Standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical c
3、ommittees. Esch 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 with ISO, also take part in the work. ISO collaborates closely with t
4、he International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the
5、member bodies casting a vote. International Standard ISO 10349-2 was prepared by Technical Committee lSO/TC 42, Photography. ISO 10349 consists of the following Parts, under the general title Pho- tography - Photographit-grade chemicals - Test methods: - Part 1: General - Part 2: Determination of ma
6、tter insoluble in wa ter - Part 3: Determjna solution tion of matter ins oluble in ammonium h ydroxide - Part 4: Determination of residue after ignition - Part 5: Determination of heavy metals and ion content - Part 6: Determination of halide content - Part 7: Determination of alkalinity or acidity
7、- Part 8: Determination of vola tile matter - Part 9: Reaction to ammoniacal silver nitrate - Part IO: Determination of sulfide content 0 ISO 1992 All rights reserved. No patt of this publication may be reproduced or utilized in any ferm or by any means, electronie or mechanical, including photocopy
8、ing and microfilm, without per- mission in writing from the publisher. International Organization for Standardization Case Postale 56 l CH-l 211 Geneve 20 l Switzerland Printed in Switzerland ii ISO 10349=2:1992(E) - Part 11: Determination of specific gravity - Part 12: Determination of density This
9、 page intentionally left blank INTERNATIONAL STANDARD ISO 10349=2:1992(E) Photography - Photographit-grade chemicals - Test methods - Part 2: Determination of matter insoluble in water 1 Scope This part of ISO 10349 specifies a general test method for the determination of the content of matter insol
10、uble in water in photographit-grade chemicals. 2 Normative reference The following Standard contains provisions which, through reference in this text, constitute provisions of this part of ISO 10349. At the time of publication, the edition indicated was valid. All Standards are sub- ject to revision
11、, and Parties to agreements based on this part of ISO 10349 are encouraged to investigate the possibility of applying the most recent edition of the Standard indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 10349-1: 1992, Photography - Photog
12、raphic- grade chemicals - Test methods - Part 1: General. 3 Hazards See ISO 10349-1 for general hazard warnings and for details of the hazard code System used in this part of ISO 10349. 4 Requirements See ISO 10349-1 for requirements for reagents and glassware. 5 Apparatus 5.1 Oven, capable of maint
13、aining a temperature of 105 “C to 115 “C. 5.2 Filter crucible, 10 Pm to 15 km retention. 6 Sampling See ISO 10349-1. 7 Procedure Place the test Portion specified in the individual Chemical Standard in a 125 ml conical flask containing 100 ml of water. Heat on a steam bath for 30 min. Filter through
14、a dry porous crucible (5.2) (IO Pm to 15 km, 105 “C, 1 h, 0,001 9) and wash with hot wa- ter. Dry the crucible plus residue (105 “C, 4 h, 0,001 g)l) and reweigh. 1) The notation System used for the drying of apparatus is described in ISO 10349-1. 1 ISO 10349=2:1992(E) 8 Calculation Calculate the con
15、tent of matter insoluble in water, expressed as a percentage by mass, from the formula 1 wm, - mdlq mo is the mass, in grams, of the test Portion; m1 is the mass, in grams, of the crucible; 9 Test report The test report shall specify the method used and the test result obtained. lt shall also mentio
16、n all operating details not specified in this patt of ISO 10349, or regarded as optional, to- gether with details of any incidents which may have influenced the test result. The test report shall include all information necessary for the complete identification of the Sample. m2 is the mass, in grams, of the crucible and residue after drying. This page intentionally left blank ISO 10349=2:1992(E) UDC 771.7:543.725 Descriptors: photography, photographic materials, photographic chemicals, tests, determination of content, insoluble matter. Price based on 2 pages
