sop aas & potensiometer

7/22/2019 SOP AAS & Potensiometer

http://slidepdf.com/reader/full/sop-aas-potensiometer 1/21

Mnaiopim 5 ;

•Jgcnahj Vnpthjghgcruo•Lnrtj Xubj Vhshahj Tutrh

•Trhfhahj Fhtrj

•Ahj [jmhyjtja E.

VIT JJV bjgTitngshiontnr



VRJGBJ\ T\IVNB^\ ITN\JVH @jajojg : # :4

Oibna ; SEP-6<4 Unrsh ; :Rjgccja ;

6 Jprha <4:2

Kubua ; Tngcipnrjshjg JJV Ehan ;

:. R^K^JG ;

^gtum pngngtujg ugsur-ugsur aicjo bjg ontjaaihb yjgc pngcumurjggyj lnrbjsjrmjg

pngynrjpjg fj`jyj bngcjg pjgkjgc cnaioljgc tnrtngtu ian` jtio aicjo bjajo mnjbjjg

Lnljs.

<. T\HGVHT ;

Lnrprhgshp pjbj jlsirlsh fj`jyj ian` jtio, jtio-jtio ongynrjp fj`jyj tnrsnlut pjbj

pjgkjgc cnaioljgc tnrtngtu, tnrcjgtugc pjbj shejt ugsurgyj, onahputh jlsirpsh shgjr

ian` jtio-jtio gntrja ugsur aicjo yjgc ojsh` lnrjbj bjajo mnjbjjg

bjsjrgyj (Criugb stjtn).



6. VTNVHEHMJVH

• Tjgkjgc cnaioljgc \jgcn; :84 - 844go

• Tjgkjgc cnaioljgc Jmurjsh; º 4.>go

•\nsiaush ; Buj cjrhs spnmtruo bjrh Og pjbj <38.>go bjg <38.0go bjpjt bhphsj`mjg bngcjgljgbwhbt` spnmtrja 4.<go bjg rjshi ngnrch anolj` - pugfjm murjgc bjrh 64 %

• Bjsjr Vtjlhahtjs ; 4.44>J / 64onght

2. VIT XJGC RN\MJHR

• Hgstrush stjgbjr ugtum onolujt VIT

• Bjetjr Hbngthehmjsh Hgstruong

• Mjahlrjsh bjg pnrjwjtjg JJV



>. TNGCITN\JVHJG

>.:. Trhghsp

JJV lnrprhgshp pjbj jlsirlsh fj`jyj ian` jtio, jtio-jtio ongynrjp fj`jyj tnrsnlut

pjbj pjgkjgc cnaioljgc tnrtngtu, tnrcjgtugc pjbj shejt ugsurgyj. Ohsjamjg gjtrhuo

ongynrjp pjbj >08 go, urjghuo pjbj 6>0,> go snbjgcmjg mjahuo pjbj 355,> go.Fj`jyj pjbj cnaioljgc hgh onopugyjh fumup ngnrch ugtum ongculj` thgcmjt ngnrch

nanmtrighm sujtu jtio. Bngcjg jlsirpsh ngnrch, lnrjrth onopnrian` anlh` ljgyjm

ngnrch, sujtu jtio pjbj mnjbjjg bjsjr bhgjhmmjg thgcmjt ngnrchgyj mn thgcmjt nmshtjsh.

>.<. Lj`jg

•ajrutjg stjgbjr Fb ; 4,< oc/A, 4,2 oc/A, 4,5 oc/A, 4,0 oc/A bjg : oc/A

•ajrutjg stjgbjr Fu 4,> oc/A, : oc/A, :,> oc/A, < oc/A bjg <,> oc/A, @GI6 pnmjt

•sjopna jhr bjrh jhr suour bjg jmujbns.



>.6. \njcng

. Tngcngfnrjg Ajrutjg Hgbum Fb :44 ppo Ongcngfnrmjg Ajrutjg hgbum Fb :44 oc/A

ongkjbh :4 oc/A bjajo :44 oa ajrutjg.

Mnoubhjg onolujt ajrutjg stjgbjr bjrh

ajrutjg Fb :4 ppo pjbj migsngtrjsh 4,< = 4,2 =

4,5 = 4,0 bjg : oc/A yjgc bhngfnrmjg bngcjg

jsjo ghtrjt.

. Tngcngfnrjg Ajrutjg Hgbum Fu :444 ppo Ajrutjg hgbum Fu :444 ppo bhngfnrmjg

ongkjbh :44 ppo bjg :4 ppo bjajo :44 oa

ajrutjg. Mnoubhjg bhlujt ajrutjg stjgbjr bjrhajrutjg Tl :44 ppo pjbj migsngtrjsh 4,> = : =

:,> = < bjg <,> ppo yjgc bhngfnrmjg bngcjg

jsjo ghtrjt.

.Tngcumurjg Jlsirljgs Bngcjg JJV Ajrutjg stjgbjr Fb bjg ajrutjg stjgbjr Fu

snrtj sjopna yjgc ongcjgbugc Fb bjg Fu,bhumur jlsirljgsgyj.



>.2 Xjgc Tnrau Bhpnr`jthmjg

:. Cjgccujg mhohj tnrkjbh jpjlhaj ugsur yjgc bhjgjhashs ongcjajoh rnjmsh mhohj bngcjg

jghig jtju mjthig tnrtngtu bngcjg sngyjwj yjgc rnerjmtirh, sn`hgccj thbjm snouj jgjahth

bjpjt tnrjtiohsjsh.

<. Cjgccujg hgh tnrkjbh jpjlhaj sjopna ongcjgbugc ljgyjm cjrjo jtju jsjo, jtju lhaj

pnajrut yjgc bhcugjmjg thbjm ongccugjmjg pnajrut zjt stjgbjr, jtju lhaj su`u gyjaj

ugtum ajrutjg sjopna bjg stjgbjr lnrlnbj.

6. Cjgccujg highsjsh tnrkjbh lhaj su`u gyjaj jph fumup thgcch sn`hgccj ojopu onanpjsmjg

nanftrig bjrh jtio gntrja bjg onolngtum hig pishthe. Tnolngtumjg hig hgh ongcurjgch

kuoaj` jtio gntrja, sn`hgccj hsyjrjt jlsirpsh jmjg lnrmurjgc kucj.



>.> Mjahlrjsh bjg Tngcjturjg

>.>.: Ontibn H ; Ontibn Mjahlrjsh Ajgcsugc;

- Bhlujt anlh` bjrh thcj ajrutjg ljmu yjgc ongcjgbugc ugsur yjgc jmjg bhtntjpmjg mjbjrgyj,

- Ojshgc-ojshgc ajrutjg ljmu bhumur snrjpjggyj bjg bhlujt murvj mjahlrjsh jgtjrj snrjpjg (jlsirlsh)

tnr`jbjp migsngtrjsh.

- Ghajh snrjpjg ajrutjg ukh bhojsummjg mn bjajo pnrsjojjg ahghnr murvj mjahlrjsh.

>.>.< Ontibn HH ; Ontibn Tngjolj`jg Ljmu;

- Bhlujt anlh` bjrh thcj ajrutjg ukh, snthjp ajrutjg ukh bhtjolj`mjg snkuoaj` ajrutjg ljmu bjrh ugsur

yjgc jmjg bhtntjpmjg.

- Vjtu ajrutjg ukh thbjm bhtjolj`mjg ajrutjg ljmu (ohsja ; jbj 5 luj` ajlu ajrutjg ukh,

ojmj `jgyj > ajlu yjgc bhtjolj`mjg ajrutjg ljmu) onolngtum bnrnt pngcngfnrjg.

- Vnthjp ajrutjg bhumur snrjpjggyj, bhlujt murvj mjahlrjsh jgtjrj snrjpjg tnr`jbjp migsngtrjsh ljmu

yjgc bhtjolj`mjg, murvj bhnmstrjpiajshmjg mn suolu migsngtrjsh (suolu P), bjg ththm pitigc bngcjg

suolu htu ongugkummjg migsngtrjsh ajrutjg ukh.



>.5 Tngcumurjg

:. Cjs bh lumj, mnoubhjg mioprnsir, ajau bufthgc, ojhg ught, bjg mioputnr snfjrj lnrurutjg.

<. Tricrjo sjj bhlumj (spnftruo jgjaysn spnfhjahst), mnoubhjg ougfua pnrhgtj` ‟jpjmj` hgchg

ongccjgth ajopu mjtibj, khmj hgchg ongccjgth mahm yns, khmj thbjm gi.

6. Thah` yns ugtum ojsum mn ongu hgbhvhbuja fioojgb, bhojsummjg gioir ajopu mjtibj yjgc

bhpjsjgc mn bjajo mitjm bhjaic, mahm sntup, simnt ajopu mjtibj jmjg lnrputjr onguku pishsh

pjahgc jtjs supjyj ajopu mjtibj yjgc ljru bjpjt bhcjgth jtju bhtjolj`mjg bngcjg oubj`.

2. Thah̀ gi khmj thbjm hgchg ongccjgth ajopu mjtibj yjgc ljru.

>. Thah` ongu snanft nanongt jgb wirmhgc oibn, phah` ugsur yjgc jmjg bhjgjahshs bngcjg ongcmahm

ajgcsugc pjbj syolia ugsur yjgc bhhgchgmjg.

5. Khmj snansjh mahm im, ougfua tjophajg figbhthig sntthgcs, bhjtur pjrjontnr yjgc bhjgjahshs bngcjg

ongsntthgc euna eaiw ;:,< = onjsurnongt= figfngtrjthig = guolnr ie sjopan; < = ught

figfngtrjthig ; ppo = guolnr ie stjgbjrb ; 6 = stjgbjrb ahst ; : ppo, 6 ppo, 8 ppo.

3. Mahm im jgb sntup, bhtugccu ̀ hgccj snansjh wjrohgc up.

0. Mahm hfig lnrcjoljr lurgnr/ pnoljmjr, sntnaj` pnoljmjr bjg ajopu ongyjaj jajt shjp bhcugjmjgugtum ongcumur aicjo.



8. Tjbj ongu onjsurnongts phah` onjsurn sjopan.

:4. Ojsummjg lajgmi, bhbhjomjg ̀ hgccj cjrhs aurus tnrlngtum, bhphgbj`mjg mn stjgbjr : ppo ̀ hgccj bjtj

mnaujr.

::. Ojsummjg lajgmi ugtum onaurusmjg murvj, bhumur bngcjg tj`jpjg yjgc sjoj ugtum stjgbjr 6 ppo bjg

8 ppo.

:<. Khmj bjtj murjgc ljhm jmjg jbj pnrhgtj` ugtum pngcumurjg uajgc, bhajmumjg pngcumurjg lajgmi, `hgccj

murvj yjgc bh`jshamjg turug bjg aurus.

:6. Ojsummjg mn sjopna : `hgccj murvj gjhm bjg lnaim ljru bhajmumjg pngcumurjg.

:2. Ojsummjg lajgmi mnoljah bjg bhajmumjg pngcumurjg sjopna mn <.

:>. Vntnaj` pngcumurjg snansjh, bjtj bjpjt bhpnrian` bngcjg ongcmahm hfig prhgt jtju pjbj ljrhs ongu

bngcjg ongcmahm ehan ajau prhgt.

:5. Jsphrjshmjg jhr bnhighsjsh ugtum onolhajs lurgnr snajoj :4 onght, jph bjg ajopu lurgnr bhojthmjg,

pricrjo pjbj mioputnr bhojthmjg, ajau ojhg ught jjs, mnoubhjg mioprnsir, sntnaj` htu bufthgc bjgtnrjm`hr cjs.



5. TNGCNFNMJG BJG TNONAH@J\JJG

:. Vuolnr jrus yjgc bhcugjmjg bjajo pnojmjhjg JJV hjaj` <<4 viat sn`hgccj jrus ahstrhm yjgc bhsnbhjmjg

`jrus <<4 viat bjg kjgcjg sjopjh murjgc bjrh <<4 viat.

<. Onkj yjgc bhcugjmjg ugtum onantjmmjg JJV `jrus bjtjr, mujt bjg pnrojgng.

6. Vuolnr fj`jyj `jrus piahmriojths yjgc gjgthgyj jmjg bhulj` ongkjbh oigimriojths.

2. Ajopu mjtibj hkjcj kjcjg sjopjh pnfj`.

>. Hgtngshtjs pnojmjhjg jajt kjgcjg onanlh`h jturjg yjgc tnaj` bhtngtumjg.

5. Vntnaj` jajt bhcugjmjg, fufh bngcjg jhrbnhighsjsh snajoj :4 onght.

3. Vntnaj` bhcugjmjg, lurgnr bhlnrsh̀ mjg bjg bhmnrhgcmjg bngcjg ajp lnrsh` ugtum ongc`hajgcmjg

mjrliggyj.

0. Jajt `jrus bhshopjg bjajo rujgcjg yjgc mnanoljljg bjg su`ugyj tnrkjcj snpnrth pjbj rujgcj lnr JF.

8. Vtjlhahznr bhcugjmjg ugtum ongstjlhamjg jpjlhaj tnrkjbh eaumtujsh.



3. \NEN\NGV

`ttp;//:28-sjgtiz.laicspit.fio/<4:</4>/kurgja-jjsspnmtrieitiontrh-snrjpjg-jtio.`toa

`ttp;//jgnmjmhohj.laicspit.fio/snjrf`/ajlna/mjahlrjsh%<4^U-Uhs

`ttp;//ljggugtj`ti`.wirbprnss.fio/<4:</:4/<>/jajt-pnonrhmsjjg-sjopna-ehshmj-mhohj-

ohmrilhiaich-bjg-pjrjshtiaich-sjopj`/

`ttp;//cusgha2>ohgb.wirbprnss.fio/<4:4/:</43/jtiohf-jlsirpthig-spnmtrisfipy-jjs/

Rjgbj tjgcjg Rjgccja Tnolujt ;

Xjgc ongcnsj`mjg ;

http://149-santoz.blogspot.com/2012/05/jurnal-aasspektrofotometri-serapan-atom.html

http://anekakimia.blogspot.com/search/label/kalibrasi%20UV-Vis

http://bannuntahtoh.wordpress.com/2012/10/25/alat-pemeriksaan-sampel-fisika-kimia-mikrobiologi-dan-parasitologi-sampah/


http://gusnil45mind.wordpress.com/2010/12/07/atomic-absorption-spektroscopy-aas/























































































:. Rukujg

^gtum ongcumur lnbj pitngshja (tncjgcjg) jgtjrj buj nanmtribj yjgc bhfnaupmjg mn bjajo ajrutjg,ongcumur p@ ajrutjg bjg ongngtumjg ththm jm`hr thtrjsh.

<. TrhgshpVnluj` Titngshiontnr (TIR) tnrbhrh bjrh snluj` nanong rnshsthe yjgc onolngtum kjaur (trjfm)bngcjg tnrohgja bh mnbuj ukugcgyj. Vnbjgcmjg tnrohgja ajhggyj (lhjsjgyj lnrjbj bh tngcj`) jbjaj`Tngyjpu (Shpnr) yjgc bhpnrcugjmjg ugtum ongngtumjg pnrcnrjmjg pjbj kjaur nanong rnshsthe(\nshsthvn). Tnrcnrjmjg Tngyjpu (Shpnr) pjbj Kjaur Nanong \nshsthe hghaj` yjgc ongcjtur gjhm-turuggyj Ghajh \nshstjgsh snluj` Titngshiontnr.

VRJGBJ\ T\IVNB^\ ITN\JVH @jajojg <#:4

Oibna ; JB><45 Unrsh ; : Rjgccja;4:/42/:

2

Kubua ;Tngcipnrjshjg TitngshiontnrEhan ;



6. Vpnshehmjsh

Mhsjrjg p@ nanmtribn ; : ‖:2.

Nanmtribn ; miolhgjsh nanmtribn cnajs.

Lj`jg ljmu ; fjopurjg Ontja (aicjo) bjg Mnrjohm jtjupuglj`jg Mjrlig (Fjrlig).

2. VIT yjgc Rnrmjht

• Jbohghstrjsh VIT

Hgstrush stjgbjr ugtum onolujt VIT pnrjajtjg



>. Tngcipnrjshjg

>.: Trhgshp

Nanmtribj bhfnaupmjg mn bjajo jqujbns bjg `hbupmjg jajt.

Lhjrmjg stjlha lnlnrjpj onght, lhaj tnaj` stjlha jgcmjt nanmtribjbjg fnaupmjg mn bjajo ajrutjg figti` yjgc jmjg bhumur p@ jtju oUgyj. Jbum bjg lhjrmjg lnlnrjpj onght. Ajrutjg figti` jmjgongcjbjmjg migtjm bngcjg fjhrjg yjgc jbj bjajo nanmtribjongc`jshamjg shgyja ahstrhm lnrupj tncjgcjg ahstrhm bjajo oU ugtum

ajrutjg. Lnbj pitngshja yjgc bh`jshamjg bhmigvnrshmjg ian`ohfriprifnssir ongkjbh lnsjrjg p@. Vnlnauo ongfjtjt p@ jtju oUajrutjg, tnranlh` bj`uau pitngshiontnr bhstjgbjrhsjsh bngcjgajrutjg lueenr.

>.< Lj`jg

Ajrutjg Enri suaejt 4,4: G bjg jmujbns



>.6 \njcngAjrutjg stjgbjr Enri Vuaejt 4,4:

G

Bhlujt bngcjg onohpnt ajrutjg Enri Vuaejt 4,: G

snljgyjm :4 oA bjg ngfnrmjg bngcjg jqujbns bjajo

ajlu umur :44 oA, ajau `ioicngmjg.

Jmujbns Jhr bnhighsjsh jtju jhr bhsthajsh, bngcjg migbumthvhtjs

nanmtrhm 1 < V/fo bjg p@ 7 >,5 (Ongurut HVI 6585

jbjaj` jhr crjbn <),

Fjtjtjg ; Lhaj yjgc bhcugjmjg lumjg jopua stjgbjr,

ojmj ajrutjg luenr bjpjt bhshjpmjg bngcjg fjrj bhljwj` hgh.



>.2. Xjgc pnrau bhpnr`jthmjgNanmtribj `jrus bhshopjg bjajo ajrutjg MFa 6O.Bhjerjcoj nanmtribj `jrus tnrfnaup bjajo ajrutjg snajojpngcumurjg

Rhgcch nanmtriaht bjajo nanmtribj `jrus bh jtjs thgcch ajrutjg yjgc bhumur

>.>. Jmurjsh (lhjs)

Tnoljfjjg tncjgcjg bjg p@ jbjaj` bjajo < bnshoja. ^gtum prisnburstjgbjrhsjsh bjg pngyhjpjg rnjcng bnshoja mnbuj onopugyjh shcghehmjgbjg bjpjt bhcugjmjg. ^gtum pngcumurjg pngcukhjg bnshoja mnbuj lhjsjgyjthbjm tnrajau lnrjrth tnr`jbjp `jsha pngcukhjg, sn`hgccj lhjsjgyjbhluajtmjg mn sjtu bnshoja.



>.5 Onouajh Ipnrjsh

:. Jturaj` pishsh Vjmajr Ouathontnr pjbj pishsh I`o (Ψ). <. @ulugcmjg Triln Ouathontnr pjbj mjmh Rnrohgja yjgc pnrtjoj (:) bjgRnrohgja mnthcj (6).

6. Tnr`jthmjg ghajh \nshstjgsh Titngshiontnr pjbj Bhspajy Ouathontnr

>.3 Mjahlrjsh bjg Tngcjturjg

Tjbj pitngshiontnr hgh thbjm onajmumjg pngcmjahlrjshjg tntjph bngcjg ongccugjmjg

sjaj` sjtu knghs pitngshiontnr prnshsh thgcch ugtum ongctn`uh `jsha smjaj jgtjrj ejmtir

miostjg yjgc bhhgchgmjg jtju ugtum ongcjtur migbhsh jwja ugtum pnr`htugcjg.



>.0 Tngcumurjg

Tngcumurjg bhajmumjg bngcjg ongfnaupmjg mnbuj nanmtribj mn bjajoajrutjg stjgbjr bjg ojsummjg kucj ojcgnt.

Antjmmjg cnajs phjaj tnrsnlut bh jtjs ojcgnthf sthrrnr bjg jtur

mnfnpjtjg.Hsh lurnt ohmri bngcjo ajrutjg ukh (pnrnjmsh) tnpjt pjbj smjaj gia.

Ljfj oU sjjt lnauo bhtjolj`mjg ajrutjg ukh. Rjolj`mjg ajrutjg ukhbngcjg viauon tnrtngtu.

Vntnaj` pngjolj`jg `hbupmjg stipwjtf` sntnaj` <4 bnthm ljru ljfj

oU gyj, lnchtu sntnrusgyj sjopjh bhbjpjt ΒN ≮<4 oU. Tngjolj`jg ajrutjg bhajgkutmjg bngcjg viauon yjgc snojmhg

lnrmurjgc.

Ajmumjg pnrfiljjg yjgc sjoj ugtum ajrutjg figti` jtju Fx



5. Tngcnfnmjg bjg Tnonah`jrjjg• Bnlu, mnrhgcjt, ohgyjm bjrh tnajpjm tjgcjg oubj` ongnopna

pjbj pnrjajtjg lnrlj`jg ljmu cnajs. Ian` mjrngj htu sntnaj`bhcugjmjg aujgcmjg wjmtu snkngjm ugtum onolnrsh`mjg pnroumjjg

pnrjajtjg bngcjg mjhg anolut jtju bngcjg mnrtjs thssun m`usus.• Antjmmjg pnrjajtjg bh tnopjt mnthmj thbjm bhcugjmjg.

• ^gtum snouj thtrjsh Titngshiontrh sjmajr VNANFRI\ `jrus bjajopishsh TIR bjg thbjm lian` bhphgbj`mjg mn pishsh I\ lj`mjg ugtum

kjgcmj wjmtu pngbnm. Khmj `ja htu bhajmumjg tjgpj sjbjr ojmjpnolnrsh`jg sngsir aicjo ougcmhg ongkjbh pnrau.

• ^gtum snouj thtrjsh Titngshiontrh sjmajr VNANFRI\ `jrus bjajopishsh TIR bjg thbjm lian` bhphgbj`mjg mn pishsh I\ lj`mjg ugtum

kjgcmj wjmtu pngbnm. Khmj `ja htu bhajmumjg tjgpj sjbjr ojmj

pnolnrsh`jg sngsir aicjo ougcmhg ongkjbh pnrau.• Kjgcjg lhjrmjg irjgc yjgc thbjm sj` bhajth` ugtum onopnrljhmh

hgstruong khmj ongkjbh pnrau.

• Tnrjajtjg hgh sjgcjt sngshthe bjg `jrus bhipnrjsh snajau ongkjcj ththmhgh bjajo phmhrjg.



5.<. Hgspnmsh bjg pnonah`jrjjg nanmtribj

Vnfjrj pnrhibhm nanmtribj pnrau bhhgspnmsh, snpnrth hgspnmsh mjrngj jbjmnau`jg jajt thbjm lnreugcsh yjgc bhmnrkjmjg ian` tnmghsh yjgclnrpngcjajojg pjbj lhbjgcgyj.

5.6. Hgspnmsh bjg pnonah`jrjjg pitngshiontnr

Vnfjrj pnrhibhm pitngshiontnr pnrau bhhgspnmsh, snpnrthhgspnmsh mjrngjjbj mnau`jg jajt thbjm lnreugcsh yjgc bhmnrkjmjg ian` tnmghsh yjgclnrpngcjajojg pjbj lhbjgcgyj



• 3. \NEN\NGVH• `ttp;//www.p`jrojcuhbnahgn.fio/snjrf`/ajlna/VIT

`ttp;//hgstruong`iusn.laicspit.fio/<4:6/42/prhgshp-mnrkj-

pitngshiontnr.`toa `ttp;//nbumjshnanmtri.laicspit.fio/<4:6/46/pitngshiontnr-

vjrhjlna-rnshstir.`toa

`ttp;//laicnanmtrighmjbh.laicspit.fio/<4:</46/pngcngjajg-

rnshstir-vjrhjlna.`toa

`ttp;//nrhmm-nanmtrifuy.laicspit.fio/<4::/::/pitngshiontnr.`toa

`ttp;//hb.whmhpnbhj.irc/whmh/Titngshiontnr

Rjgbj tjgcjg Rjgccja Tnolujt ;

Xjgc ongcnsj`mjg ;

http://www.pharmaguideline.com/search/label/SOP

http://instrumenhouse.blogspot.com/2013/04/prinsip-kerja-potensiometer.html


http://edukasielektro.blogspot.com/2013/03/potensiometer-variabel-resistor.html


http://blogelektronikadi.blogspot.com/2012/03/pengenalan-resistor-variabel.html


http://erikk-elektrocuy.blogspot.com/2011/11/potensiometer.html

http://id.wikipedia.org/wiki/Potensiometer

http://id.wikipedia.org/wiki/Potensiometer




















http://www.pharmaguideline.com/search/label/SOP

sop aas & potensiometer

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