An yi gwajin oxygen (COD) hanya ce mai mahimmanci don kimanta ingancin ruwa daga tushe iri, ciki har da koguna, tafkuna da tsire-tsire magani. COD yana auna adadin oxygen da ake buƙata don chemican abubuwan ƙwayoyin cuta a ruwa, wanda zai iya nuna matakin gurbata kyauta. Ingancin amfani da bututun gwajin cod yana da mahimmanci don samun sakamako mai aminci da ingantacce. Wannan shafin zai yi muku jagora a cikin ingantaccen amfani da gwajin COD don gwajin ingancin ruwa, gami da shiri, tsari, da mafi kyawun ayyuka.

Cod gwajin shambaraAn tsara gilashin musamman ko shuban gwajin ko filastik waɗanda suka ƙunshi reportents pre-da aka auna don bincike na COD. Wadannan bututun gwaji ana amfani da amfani da tsarin binciken hoto don tantance COD a cikin samfuran ruwa. Gwajin ya dogara da amsawar kwayoyin halitta tare da wakili mai ƙarfi, yawanci potsium dichromate, a cikin maganin acidic.

Shin ka san amfani da shambarar gwajin Cod a cikin binciken ruwa? Da fatan za a karanta wannan labarin: Yadda ake amfani da bututun gwajin COD a cikin binciken ruwa

Abubuwan fasali na Tashar gwajin COD

Abubuwan da aka ambata kafin su: ƙurar gwaji na COD sun zo da masu karɓar kafin su kunshe da su, sauƙaƙe aiwatar da shirya samfurori don bincike.

Ka'idanta: Wadannan shambura an tsara su da takamaiman masu daukar hoto ko masu launi, wajen tabbatar da cikakken sakamako.

Yankin da aka rufe: Tsarin da aka rufe yana hana gurbatawa da kuma lalacewa, kiyaye amincin samfurin yayin gwajin.

Shiri don gwajin kwakwa

Kafin ka fara aiwatar da gwajin cod, dole ne a shirya ka cikakke. Ga matakai don bi:

1. Tara kayan da ake buƙata

Tabbatar kana da duk kayan aikin da kayan da suka zama dole, gami da:

Cod gwajin shambaratare da abubuwan da aka riga aka riga suka auna
Samfuran ruwa za a gwada
Moterometer ko launi mai dacewa tare da bututun gwajin cod
Pipette ko sirinji don tattara samfurori
Kayan kariya na mutum (PPE) kamar safofin hannu da gaggles

2. Tarin Sample

Tattara samfurin ruwan da za a bincika don COD. Yana da mahimmanci bin dabarun samfurori masu dacewa don tabbatar da cewa samfurin shine wakilin tushen ruwa. Ga wasu samfuran tarin tarin:

Yi amfani da kwantena masu tsabta: Tabbatar cewa akwati da aka yi amfani da samfurin yana da tsabta da kuma rashin ƙarfi.

Guji karbuwa: kula don guji gabatar da duk wani batun kaskanci a cikin samfurin.

Bincike kai tsaye: Yi binciken COD da wuri-wuri bayan samfurin samfurin. Idan bincike ba zai yiwu ba nan da nan, adana samfurin a cikin wuri mai sanyi don rage canje-canje na abubuwa.

3. Adadin samarwa (idan ya cancanta)

Idan baku iya yin nazarin samfurin ku nan da nan ba, kuna iya buƙatar adana shi. Don COD samfurori, ana ba da shawarar sau da yawa don rage pH zuwa 2 ko ƙasa da ƙara yawan adadin sulfuric acid (h₂so₄). Wannan zai taimaka wajen karantar da samfurin kuma rage girman ayyukan halittu har sai an iya aiwatar da gwaji. Koyaushe bi jagoran aminci lokacin da ke kan acid.

Yin gwajin COD

Da zarar kun shirya samfurin ku kuma kuka tattara kayan da ake buƙata, zaku iya yin gwajin COD. Ga jagorar mataki-mataki-mataki:

1. Shirya Cod Gwailan Tumes

Yiwa bables: a bayyane yake da kowane bututu tare da ID samfurin don guje wa rikice bayan haka.

Addara samfurin: amfani da bututun ko sirinji, a hankali ƙara ruwa samfurin zuwa bututun gwajin cod. Bi umarnin da masana'anta don adadin samfurin don ƙarawa.

2. Kara reagents

An auna shi da tsari:Cod gwajin shambaraKu zo tare da sake gwada reagents. Tabbatar da sake dawowa ba daidai ba ne kuma an rufe bututun kafin a ci gaba.

Mix da kyau: Bayan ƙara samfurin, tofa bututun da aka ɗaure kuma Mix da kyau don tabbatar da reagents cikakke kuma amsa tare da samfurin.

3. Danko bututun gwajin

Mataki na dumama: Sanya bututun gwaji a cikin shinge ko wanka na ruwa da zafi shi a lokacin da aka ƙayyade (yawanci kusan 150 ° C) don lokacin da aka ba da shawarar (yawanci awanni 2). Wannan matakin yana da matukar muhimmanci ga amsar abu da iskar shaka ta faruwa.

Gwararrawar tsaro: Yi amfani da taka tsantsan yayin sarrafa kayan zafi kuma tabbatar da bututun gwaji an sanya shi amintaccen don hana zubewa.

4. A sanyaya bututun gwaji

Bayan lokacin dumama ya cika, cire bututun gwaji daga tushen zafi kuma ba shi damar sanyaya zuwa zazzabi a ɗakin. Wannan matakin yana da mahimmanci don hana lalacewar ɗaukar hoto ko launi yayin bincike.

5. Auna cod

Bincike mai daukar hoto: Da zarar bututun gwaji ya sanyaya, sanya shi a cikin lokacin hoto ko launi. Tribrate kayan aiki gwargwadon umarnin masana'anta da auna abin sha.

Rikodin sakamakon: kayan aikin zai samar da karatun da ya dace da taro na COD a cikin samfurin. Daidai yin rikodin sakamakon don ƙarin bincike.

Ka san ƙa'idar aikin da aka yi amfani da VIal? Da fatan za a karanta wannan labarin:Ka'idar aiki ta COD Vial

Ƙarshe

Amfani da kyauCod gwajin shambaraDon gwajin ingancin ruwa yana da mahimmanci don samun sakamako mai amintattu. Ta bin matakan da aka bayyana a cikin wannan shafin, gami da samfurin samfurin, hanyoyin gwaji, da mafi kyawun aiki, zaku iya tabbatar da ingantaccen bincike. Wannan hanyar na iya samar da ma'anar fahimta a cikin matakan gurɓatar halittar kwayoyin a cikin hanyoyin ruwa, taimaka wajen kare lafiyar jama'a da muhalli. Fahimtar yadda ake amfani da bututun gwajin COD wanda zai iya taimakawa mafi kyawun sarrafawa da saka idanu ingancin ingancin, ko a cikin saiti.

A baya:

Duk abin da kuke buƙatar sani game da tsarin Samfuran GC samfurin GCLP

Wanne Buffer ya fi dacewa don lokacin HPLC ɗinku?