16mm screw kumusoro cod tube kubva kuAijiren
Cemical oxygen inodikanwa (COD) kuyedzwa ndiyo nzira yakakosha yekuongorora mhando yemvura, kunyanya mukurapwa kwemvura uye kutarisisa kwemunharaunda. COD Test tubes kurerutsa maitiro, asi kushandiswa kwakakodzera kunokosha kuti uwane mhedzisiro chaiyo
Cemical oxygen inodikanwa (COD) kuyedzwa ndiyo nzira yakakosha yekuongorora mhando yemvura, kunyanya mukurapwa kwemvura uye kutarisisa kwemunharaunda. COD Test tubes kurerutsa maitiro, asi kushandiswa kwakakodzera kunokosha kuti uwane mibairo chaiyo. Heino nhanho-ne-nhanho gwara renongedzo kuti uve nechokwadi chekuongororwa kwakanaka:
1.Ndanzwisise chinangwa
COD matanho huwandu hweokisijeni inodikanwa kuti zvimisikidzwa oxidize organic uye chisikwa chine mvura mumvura. Iyi paramende yakakosha kuti iongorore mutoro wekusvibisa uye kugona kurapwa kwemiviri yemvura.
2.select iyo chaiyo bvunzo tubes
Sarudza Certified COD Test Tubs Tubes zvakanyatsogadzirirwa nzira yako yekuyedza. Ita shuwa kuti vakasununguka kubva mukusvibiswa uye vakakodzera kune inotarisirwa huwandu hwekonzo yematehwe mumasampula ako.
3. Muenzaniso muunganidzwa
Unganidza masampula emvura mumidziyo yakachena, dzisingasvibisi-dzemahara. Dzivisa kufumura samples kumhepo kwenguva yakareba, sezvo izvi zvinogona kushandura mhedzisiro yeCOD.
Zadza iyo test tubes kune yakakurudzirwa mwero, usingafungi kuti hapana mabvi emhepo yakabatirirwa mukati, inogona kukanganisa chokwadi cheyero.
4.Add Reagents
Tevedza mirayiridzo yemugadziri yekuwedzera reagents kune tubes bvunzo. Kazhinji, izvi zvinosanganisira kuwedzera vhoriyamu chaiyo yemuenzaniso uye huwandu hwakaremerwa hwe potasasium dichromate.
Cap tubs zvakachengeteka kudzivirira kubhururuka uye kuve nechokwadi chekusanganisa kwakakodzera.
5.Inkubvunzesa
Isa iyo test tubes mumvura yekugeza kana kupisa block pane yakatarwa tembiricha (kazhinji 150 ° C) yeiyo inodikanwa nguva (kazhinji maawa maviri). Iyi nhanho ndeyekutsoropodzwa kweiyo yakazara oxidation ye organic nyaya.
6.cooling uye kuyerwa
Bvumira iyo test tubes kuti itonhore kumhepo tembiricha usati wayera iyo yekushandisa uchishandisa spectrophotometer. Ita shuwa iyo wavelength inoiswa zvinoenderana neye bvunzo tube yakatarwa.