Iso 8655 6 pdf

Iso 8655 6 pdf

Rating: 4.5 / 5 (7934 votes)

Downloads: 31370

CLICK HERE TO DOWNLOAD

.

.

.

.

.

.

.

.

.

.

iso 8655- 3, piston- operated volumetric apparatus iso 8655 6 pdf — part 3: burettes iso 8655- 4, piston- operated volumetric apparatus — part 4: dilutors iso 8655- 5, piston- operated volumetric apparatus — part 5: dispensers iso 8655- 6, piston- operated volumetric apparatus — part 6: gravimetric reference measurement. for the purposes of this part of iso 8655, the terms and definitions given in iso 8655- 1, iso/ iec guide 2 and oiml r 76- 1 apply. scope document reusable, involved in the measurement of comprising piston- operated specifies the basic a gravimetric reference measurement volumetric apparatus by apparatus nd or contained procedure procedure. additionally, part 6 gives the new minimum requirements for balances used for gravimetric calibration. any pipette so adjusted shall have clear, visible evidence that the initial adjustment has been modified. ch printed in switzerland. gravimetric reference measurement procedure for the determination of volume. any dispenser so adjusted shall have clear, visible evidence that the initial adjustment has been modified. 2 allows for deviations in test liquid and volumes. international standard isowas prepared by technical committee iso/ tc 48, laboratory glassware and related apparatus, subcommittee sc 1, volumetric instruments. this document supersedes en iso 8655- 6:, en iso 8655- 6: / ac:. faxe- mail ch web www. while the estimate of measurement. replace the disposable tip of the piston pipette. pdf + epub: std 2 92. 5 ° c during the test or within one hour. click here to purchase the full version from the ansi store. 8) of the air- displacement piston pipette. both calibration and test are defined as a set of operations that establish the relationship between the delivered volume and the corresponding selected volume of the apparatus. iso 8655- 6: piston- operated volumetric apparatus part 6: gravimetric reference measurement procedure for the determination of volume. fill the tip with test liquid and expel to waste five times to reach a humidity equilibrium in the dead air volume ( see iso 8655- 1:, 3. 4 adjustment for other liquid properties some pipettes are designed to have their factory pre- set adjustment altered by the user so that they will. any feedback and questions on this document should be directed to the users’ national standards body/ national committee. balance with a draft shield chosen according to the test volume ( iso 8655- 6. for the metrological requirements, maximum permissible errors, requirements for marking and information to be provided for users for piston- operated volumetric apparatus, see isofor pipettes, see isofor burettes, see isofor dilutors, see isofor. pipettes, tips, balance and test liquid acclimated for at least 2 hours. 6 metrological performance requirements 6. the requirements were adapted and now ask for lower readabilities for pipettes up to 200 µl. under part 6, part 7, or part 8 of the new iso, a minimum of ten measurements per volume must be made for at least three volumes, including at 100%, 50%, and 10% of the nominal volume. piston- operated volumetric apparatus part 6: gravimetric reference measurement procedure for the determination of volume appareils volumétriques à piston. the tests are applicable to complete systems comprising the basic apparatus and all parts selected for use with the apparatus, disposable or reusable, involved in the measurement by uptake ( in) or. are the iso 8655 6 pdf documents at the ansi webstore in electronic adobe acrobat pdf format only? iso 8655- 6, isoor iso 8655- 8. iso copyright office case postale 56 • ch- 1211 geneva 20 tel. it also incorporates the technical corrigendum iso 8655- 6: / cor. this second edition cancels and replaces the first edition ( iso 8655- 6: ), which has been technically revised. note general requirements and definitions of terms for piston- operated volumetric apparatus are given in iso 8655- 1. this information shall also be recorded. iso 8655- 6: specifies the gravimetric determination of errors of measurement for conformity testing of piston- operated volumetric apparatus. this is a preview of iso 8655- 6: . iso 8655- 6: ( e) introduction the iso 8655 series addresses the needs of: — manufacturers, as a basis for quality control including, where appropriate, the issuance of manufacturer’ s declarations; — calibration laboratories, test houses, users of the equipment and other bodies as a basis for. 1 general in order to state the metrological trueness and precision of the total system of the dispenser and thus. note 2 to entry: when pova are used in the laboratory the uncertainty in use of a single delivered volume can be estimated and is discussed further. iso 8655- 6: ( e). in iso 8655 part 6 and iso 8655 part 8, or according to an alternative measurement procedure described in iso 8655 part 7. a complete listing of these bodies can be found on the cen website. the environmental and test requirements of the iso 8655: gravimetric procedure and alternative procedures for calibration are shown in table 1. calibration lab draught- free with a relative humidity between 45% and 80%, and a reference temperature between ( 20 + / - 3) ° c or ( 27 + / - 3) ° c; + / - 0. note 1 to entry: when pova are calibrated according to one of the procedures in iso 8655- 6, iso 8655- 7, or iso 8655- 8, the uncertainty of the mean delivered volume is usually estimated and reported. iso 8655 consists of the following parts, under the general title piston- operated volumetric apparatus:. place the weighing vessel with its added water on the balance pan. only informative sections of standards are publicly available. iso 8655- 6: / cor 1: ; included in packages. to view the full content, you will need to purchase the standard by clicking on the buy button. iso 8655- 6: ( e) piston- operated volumetric apparatus —. pdf iso 8655- 6: piston- operated volumetric apparatus — part 6: gravimetric reference measurement procedure for the determination of volume. 1: ), which has been technically revised. what is new in iso 8655:? iso 8655 part 7 a.