ML20058H613

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to Chemistry Instruction:Operation of Ph Meter Safety-Related
ML20058H613
Person / Time
Site: Grand Gulf  Entergy icon.png
Issue date: 06/15/1982
From: Wedgeworth B
MISSISSIPPI POWER & LIGHT CO.
To:
Shared Package
ML20058H456 List:
References
RTR-NUREG-0737, RTR-NUREG-737, TASK-2.B.3, TASK-TM 08-S-04-107, 8-S-4-107, NUDOCS 8208030645
Download: ML20058H613 (5)
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Text

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PLANT OPERATIO"3 EMUA1. Attachment 4'to AECM-82/339 1

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  • /olute 3 03-5-O!.-107 Section 04 Revision 3 Date: 6-13-62

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,, 4?A'd C'.*LT NUCLEAR STATION CF.IMISTRY INSTF'.'CTION

Title:

Opera: ice of pH Mater No.: 08-5-O'-107 : Revision: 3 Page: 1 I

1.0 INSR MINT DESCRIPTION 1.1 3eck=an Expandc=atic SS-2 pH Me ter Model Number 76007.

1.2 Leeds & Nerthrup Laboratory pH Meter, Model Number 7'413-20 1.3 Leeds & Northrup portable pH Me:er, Model Nu=ber 7417.

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  • 2.3 Leeds and Nor:hrup Instruction Manual, Model 7417 (177674) 2.4 Che=istry Procedure 08-S-03-1, Qualification of Chemistry Program 2.3 S:andard Metheds, 14th Edition', Section 424 2.6 Che=is try Procedure OS-S-03-07,' Cont rol of Cnemis try Support Ecuipment
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'T:tle: Opere: ion o pH . Meter 'No.. 06-5-06-107 !aevision: 3  ;? age: 2

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3.1 Always make reasurements wi:h the tes: solutien in a non-re tal con:ainer.

3.2 Place the ins:rument control :.nch to s:andby prior to removing the electrede frer :he solution.

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0TI - 5 Instrument is normally left in stand-by ar.d does act normally recuire startup. ,

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-o 6.1.1 Make sure the function control switch is in the stand-by position.

6.1.2 Connect the line cord to a 50/60 H: power source i.f recuired and allow ten minutes for var =up. Portable pH units utilize self-centained batteries for power.

. 6.2 Standardization / Functional Check .

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- i Star.dardi:e ins:ru ent dail;. er prior :: use; whiche.er is less frecuent.

6.2.1 Insure instrument, star:-up is in acecrdance yi:~ sec:icr. 6.1.

i.2.2 Verify instrumer.: functional check performed on required .'

frecuency, and if applicable the calibration due date is within acceptable range. ,

6.2.3 If not already attached, plug in the =easuring and reference electrode leads.

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1 Oparation of pH Me:er lNo.. 06-5-04-107 ' Revision: 3-j? age: 3 l-I I I I 6.2.4 Immerse the electrode and a :her cme:er in ':cffer solutions wi:hin the range of expected samples, bu: at leas: 3 ;)H units apart.

6.2.5 Check to ensure tha: :he spar swi:ch is se: to receired pH range end the slope cecpensator dia'. is se: a: 1000, if instrumen: is

.so ecuipped.

6.2.6 Measure buffer solution tempera:ure and adjus: the te perature *C compensator to =easured tempera:ure. Recove, rinse, and secure ther:cceter. '

3 6.2.7 Determine buffer solutien pH fro = :e=perature versus pH table for the respective buffer.

p 6.2.8 Position function control swi:ch to measure position and adjust

, the standardize control until pF. deteesined in step 6.2.7 is indicated; pH indication for second buffer should be within .1 pH unit of the known value, if not, contact the Chemistry Supervisor.

6.2.9 Release function' con:rcl swi:ch to :he stand-by~ position.

6.2.10 Rinse and store electrode in demineralized water.

6.3 Anal',. sis -

6.3.1 Verify ins:rumen: s:ar:ep.inac$crdancevi:h6.1. '

l 6.3.2 lerify func:icnal check perferred Si:hin pr:per time fra:e.

i Als o verify calibratien due da:es are not ex c a e d.e d , if applicable.

6.3.3 '!e r i f-j st:ndardization of instrumen: has been perfor:ed. -

6.3.4 Rinse electrode and thermometer in de=ineralized water. Remove -

excess by blotting or gently shaking. Imme rs e th em in t h e s a=pl e solution.

6.3.5 Measure the sample solution :emperature and adjust the Te=pera:ure

  • C Co=pensc:or to ceasured temperature.
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! i 6.2.o Remove, r nse, anc secure *:her=cmeter.

6.3.7 Position functie:. contre'. r.sitch to the = essure positica and read

, pH on 0 to 14 sezle. Reccrd value.

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7.2 Dec; men: resul:s on proper reper:ir.g forms as pek Chemist-/ Procedure 05-5-03-10. .

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