Fluid analyses procedure Radiation Protection and Chemical Analyses

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Fluid analyses procedure Radiation Protection and Chemical Analyses for Detector Cooling Stations Presentation done

Fluid analyses procedure Radiation Protection and Chemical Analyses for Detector Cooling Stations Presentation done by Elena Perez Rodriguez For further information contact elena. perez. rodriguez@cern. ch EN/CV/DC

Index • • Detector Cooling stations Chemical analyses Radiation protection analyses Sampling procedure :

Index • • Detector Cooling stations Chemical analyses Radiation protection analyses Sampling procedure : general diagram – Gases – Liquids • Annexes – Sampling form – Naming convention and report storage EN/CV/DC 17/03/2010 2

Detector Cooling stations PFC gas C 3 F 8 PFC liquid C 6 F

Detector Cooling stations PFC gas C 3 F 8 PFC liquid C 6 F 14 Demineralized Not demineralized C 4 F 10 Chemical analyses EN/CV/DC Water Radiation Protection analyses 17/03/2010 3

Chemical Analyses • Regular analyses – To monitor the chemical quality of the fluid.

Chemical Analyses • Regular analyses – To monitor the chemical quality of the fluid. – Requested by the experiment. – Fluorocarbon analyses ü Organic Purity ü Other perfluorocarbons ü H containing molecules or grease ü Acidity ü Prepolimers ü H 2 O EN/CV/DC 17/03/2010 4

Radiation Protection Analyses • Regular analyses – To monitor the activation of the fluid

Radiation Protection Analyses • Regular analyses – To monitor the activation of the fluid • Corrective maintenance – For safety reasons in a non-planned intervention – Estimated time for the analyses: 2 hours (not during nights) – Authorization e-mail with analyses result will be sent to Detector Cooling mailing list Working hours 75252 EN/CV/DC Non - working hours 74848 17/03/2010 5

Sampling procedure: general diagram EN/CV/DC 17/03/2010 6

Sampling procedure: general diagram EN/CV/DC 17/03/2010 6

Sampling procedure: gases • One stainless steel bottle for both analyses • The bottle

Sampling procedure: gases • One stainless steel bottle for both analyses • The bottle will be reused C He A • Sampling schema EN/CV/DC cleaning B Sampling Bottle in oven at 110 ºC 17/03/2010 Primary Pump 7

Sampling procedure: liquids • Two plastic bottles, one for each analysis • Not reused

Sampling procedure: liquids • Two plastic bottles, one for each analysis • Not reused no cleaning • Sampling schema EN/CV/DC 17/03/2010 8

Annexes: sampling form To start the chemical analyses (the Radiation Protection analyses will be

Annexes: sampling form To start the chemical analyses (the Radiation Protection analyses will be always done) To be filled by the responsible persons from Experiment, Detector Cooling, Chemical Laboratory and Radiation Protection EN/CV/DC 17/03/2010 9

Annexes: naming convention and report storage • Naming convention • Reports storage – For

Annexes: naming convention and report storage • Naming convention • Reports storage – For bottles DCG 202 Detector Cooling G = PFC Gas L= PFC Liquid W= Water Point 2 Bottle 02 – For reports – In Radiation Protection web page YYYYMMDD_FCUE-0002_CH Date EN/CV/DC Maintenance code for the station – In EDMS folder 0000078435 CH = Chemical RP = Radiation Protection 17/03/2010 10

Thank you for your attention Any questions ? EN/CV/DC 17/03/2010

Thank you for your attention Any questions ? EN/CV/DC 17/03/2010