Cov lus teb luv yog yog. Cyanuric acid yuav txo qis pH ntawm pas dej pas dej.
Cyanuric acid yog cov kua qaub tiag tiag thiab cov ph ntawm 0.1% cyanuric acid tov yog 4.5. Nws tsis zoo li yuav muaj kua qaub heev thaum 0.1% sodium bisulfate daws yog 2.2 thiab cov ph ntawm 0.1% hydrochloric acid yog 1.6. Tab sis thov nco ntsoov tias cov pas dej da dej yog nruab nrab ntawm 7.2 thiab 7.8 Thiab thawj PMA ntawm Cyanuric acid yog 6.88. Qhov no txhais tau tias feem ntau cyanuric acid molecules nyob rau hauv lub pas dej da dej tuaj yeem tso cov cyanuric acid mus tau rau cov dej qab zib heev uas feem ntau yog siv ua pH reducer.
Piv txwv li:
Muaj ib pas dej ua luam dej sab nraum zoov. Thawj cov pas dej pas dej yog 7.50, tag nrho alkalinity yog 120 ppm thaum lub cyanuric acid qib yog 10 pm. Txhua yam nyob hauv kev ua haujlwm tshwj tsis yog rau lub xoom cyanuric acid theem. Cia peb ntxiv 20 ppm ntawm qhuav cyanuric acid. Cyanuric acid maj mam dissolves, feem ntau noj 2 mus rau 3 hnub. Thaum cyanuric acid yog yaj E pas dej pas dej yuav yog 7.12 uas qis dua qhov kev pom zoo tsawg ntawm PH (7.20). 12 PPM ntawm sodium carbonate lossis 5 ppm ntawm sodium hydroxide xav tau ntxiv los kho cov teeb meem ph.
Monosodium cylalurate kua los yog slurry muaj nyob rau hauv qee lub khw muag khoom pas dej. 1 ppm monosodium cyanurate yuav ua rau nce cyanuric acid theem los ntawm 0.85 ppm. Monosodium cyanurate yog ceev soluble hauv dej, yog li nws yooj yim dua rau kev siv thiab tuaj yeem nce nce cyanuric acid qib hauv pas dej da. Rov qab rau Cyanuric acid, monosodium cyanurate kua yog alkaline (pH ntawm 35% slurry yog nruab nrab ntawm 8.0 txog 8.5 nce ntxiv pha pas dej pas dej. Nyob rau hauv lub pas dej saum toj no, EC pas dej hla yuav nce rau 7.68 tom qab ntxiv 23.5 PPM ntawm Monosodium Cyanurate Cyanurate.
Tsis txhob hnov qab tias cyanuric acid thiab monosodium cyanurate hauv pas dej dej kuj ua raws li buffers. Ntawd yog, lub siab dua Cyanuric Acid theem, qhov tsawg dua li lub p yuav drift. Yog li thov nco ntsoov rov ua kom tiav tag nrho cov alkalinity thaum EC ntawm pas dej pas dej yog xav tau los kho.
Kuj tseem nco ntsoov tias cyanuric acid yog qhov muaj zog tsis zoo tshaj sodium carbonate, yog li pH kev kho kom ntxiv cov kua qaub ntxiv lossis alkali tsis muaj cyanuric acid.
Rau pas dej da dej uas thawj lub p yog 7.2 thiab tus lej xav tau yog 7.5, 7 ppm ntawm sydium acid yog xav tau kom tau raws li cov Ph Phaj Xav Tau. Khaws cov ntawv PHU, PH thiab tag nrho Alkaliness yog 120 ppm tsis hloov pauv tab sis hloov cov kua cyanuric theem mus rau 50 ppm ntawm sodium carbonate yog xav tau tam sim no.
Thaum Ph Ntawv yuav tsum tau txo qis, cyanuric acid muaj tsawg dua. Rau pas dej da dej uas thawj p yog 7.8 thiab tus lej xav tau yog 7.5, tag nrho cov alkality yog 12, 6.8 ppm ntawm sodium bisulfate yog xav tau kom tau raws li cov Ph Phaj Xav Tau. Khaws cov ntawv PH, qhov xav tsis tau ntev yog 120 ppm tsis hloov pauv tab sis hloov pauv ntawm sodium bisulfate yog xav tau - tsuas yog muaj 6% nce ntau ntawm cov sodium bisulfate.
Cyanuric acid kuj muaj qhov txiaj ntsig uas nws yuav tsis tsim nplai nrog cov calcium lossis lwm yam hlau.
Lub Sijhawm Post: Jul-19-2024