16mm Cod gwajin bututu don gwajin ruwa
An yi gwajin iskar oxygen (COD) hanya ce mai mahimmanci don kimanta ingancin ruwa, musamman a cikin jiyya na ruwa, musamman a cikin jiyya na ruwa, musamman a cikin jiyya magani, musamman a cikin jiyya na ruwa, musamman a cikin jiyya na sharar gida. Tumbin gwajin COD yana sauƙaƙe aiwatarwa, amma amfani da kyau yana da mahimmanci don samun cikakken sakamako
An yi gwajin iskar oxygen (COD) hanya ce mai mahimmanci don kimanta ingancin ruwa, musamman a cikin jiyya na ruwa, musamman a cikin jiyya na ruwa, musamman a cikin jiyya magani, musamman a cikin jiyya na ruwa, musamman a cikin jiyya na sharar gida. Tubayen gwajin COD suna sauƙaƙe aiwatar, amma amfani da kyau yana da mahimmanci don samun cikakken sakamako. Anan ne jagorar mataki-mataki-mataki don tabbatar da gwaji mai inganci:
1.Wanda aka sani da manufar
COD yana tsara adadin oxygen da ake buƙata don chemican outic na ostidicic da asalin kwayoyin halitta cikin ruwa. Wannan siga tana da mahimmanci don kimanta nauyin nauyin da kuma ingantaccen magani na jikin ruwa.
2.Saitakar da tubaye na biyu
Zaɓi takardar shaidar gwajin COD wanda aka tsara musamman don hanyar gwajin ku. Tabbatar sun sami 'yanci daga gurbatawa kuma sun dace da kewayon fayilolin COD a cikin samfuran ku.
3. Sample tarin samarwa
Tattara samfuran ruwa a cikin tsabta, gurɓacewar da ba su da kariya. Guji bayyana samfuran zuwa iska don tsawan lokaci, saboda wannan na iya canza sakamakon COD.
Cika shubs na gwaji zuwa matakin da aka ba da shawarar, tabbatar da cewa kumfa iska an kama shi a ciki, wanda zai iya shafar daidaito na auna.
4.Add reagents
Bi umarnin da masana'anta don ƙara reagents zuwa cikin bututun gwaji. Yawanci, wannan ya ƙunshi ƙara takamaiman ƙimar samfurin da kuma ƙaddara adadin potassium mafita.
Cap da bututu amintaccen don hana leaks kuma tabbatar da hadawa da kyau.
5. YinCankation
Sanya shambura gwajin a cikin wanka na ruwa ko dumama a yawan zafin jiki (yawanci 150 ° C) don lokacin da ake buƙata (yawanci 2 hours). Wannan matakin yana da mahimmanci ga cikakkiyar iskar shaka ta kwayoyin halitta.
6.Cooling da kuma aunawa
Bada izinin bututun gwaji don kwantar da sanyi zuwa ɗakin zafin jiki kafin aunawa ta amfani da abin sha ta amfani da spectrophotoeter. Tabbatar da cewa an saita tauhidi bisa ga bayanan bututun gwajin.