Liquid Da Tsayayyen Rufewar Sanyi Don Anodizing
1. Kyakkyawan juriya ga ƙazanta da ƙarfin buffering mai kyau ga acid da alkali.
2. Maganin yana da abũbuwan amfãni na sauƙi don aiki, nau'i mai yawa na sigogi na tsari, babu buƙatar daidaita pH akai-akai.
3. Hana haɓakar hatimi daga faruwa.
4. Bayan jiyya na rufewa, zai iya inganta taurin farfajiya da kyalkyali na bayanan martaba na aluminum.
| Ƙarfafa Rufe Sanyi | Deionized ruwa |
| 5 ~ 5.5g/L | Ma'auni |
| Ni2 da | F- | pH | Zazzabi | Lokaci | Amfani |
| 0.9 ~ 1.3g/L | 0.4 ~ 0.6g/L | 5.5 ~ 6.5 | 22 ~ 28 ℃ | 1 μm/1.3 min | 0.9 ~ 1.5kg/T |
1. Ƙayyade ƙididdiga na Ni,F da pH, sanya su cikin kewayon sigogin tsari
2. Daidaita pH ta ƙara dilute acetic acid (dilute hydrofluoric acid) ko tsarma sodium hydroxide (dilute ammonia), kiyaye pH darajar tsakanin 5.5 da 6.5.
3. Don rage gurɓataccen ruwan wanka mai ruwa, sarrafa ingancin ruwa da pH na wanka mai kurkura sosai, pH ba zai iya ƙasa da 4.5 ba.
An rufe karin sanyi a cikin sanyi tare da polybag, 5kg net kowane da 4 polybags a cikin katako, 20kg net kowane.An kare shi daga haske a wuri mai bushe.
Ƙaddamar da abun ciki na nickel ion (Ni2+).
1. Matakan tantancewa.
Zana daidai 10mL na ruwa mai nutsewa cikin kwandon triangular 250mL, ƙara 50mL na ruwa, 10mL (pH=10) na buffer chloramine, ƙaramin adadin 1% violet, sannan a girgiza sosai.Titrate tare da daidaitaccen bayani na 0.01mol/L EDTA har sai maganin ya canza daga rawaya zuwa shunayya a matsayin ƙarshen ƙarshen, kuma rikodin ƙarar amfani V.
2. Lissafi: Nickel(g/L)=5.869 × V × C
V: ƙarar daidaitaccen bayani na EDTA wanda aka cinye a cikin milliliters (mL)
C: ƙaddamarwar molar na EDTA daidaitaccen bayani (mol/L)
1. Shiri na F- misali bayani
① Standard bayani tare da F- maida hankali na 5g/L: Daidai auna 11.0526g NaF (Analytical Reagent, bushe a cikin tanda a 120 ° C na 2h, adana a cikin wani desiccator tare da auna kwalban don amfani, daidai 0.0001g lokacin yin auna) don narkar da A cikin ƙaramin adadin ruwa mai narkewa, canja wurin zuwa gilashin ƙararrawa na 1000mL, tsarma zuwa alamar, girgiza da kyau.
② Daidaitaccen bayani tare da F- maida hankali na 0.1g / L: Pipette 10mL na daidaitaccen bayani tare da F- maida hankali na 5g / L a cikin filaye mai girma na sama a cikin 500mL volumetric flask, tsarma zuwa alamar, kuma adana a cikin kwalban polyethylene.
③ Shirya daidaitattun mafita tare da yawan F-0.2-1 g/L kamar yadda aka bayyana a sama.
2. Shiri Jimlar Ƙarfin Ionic Daidaita Maganin Buffer (TISAB)
Ɗauki kamar 500mL na ruwa mai narkewa sannan a saka shi a cikin gilashin gilashi mai tsabta 1L, ƙara 57mL na glacial acetic acid, sa'an nan kuma ƙara 58.5g na sodium chloride da 12g na sodium citrate don gyarawa da narkar da gaba daya, sa'an nan kuma yi amfani da analytically pure sodium hydroxide. daidaita zuwa pH = 5.0 ~ 5.5, tsarma zuwa 1L tare da distilled ruwa.
3. F- Daidaitaccen zane mai lankwasa
① Pipette 2mL na daidaitaccen bayani tare da maida hankali na 0.1g / L a cikin 100mL filastik beaker, sa'an nan kuma ƙara 20mL TISAB buffer bayani, sa a cikin wani maganadisu, motsa a kan wani Magnetic stirrer, saka oxygen electrode da tunani electrode bi da bi, Bayan electromagnetic stirring ga 3min, tsaya na 30s, kuma karanta ma'auni mai yuwuwar Ex;
②Yi amfani da wannan hanyar don auna yuwuwar ƙimar Ex na daidaitaccen bayani wanda F ɗin shine 0.2～1g/L, da kuma ware taro daga ƙasa zuwa babba.A kan takardar jadawali, zana ma'auni na EF tare da yuwuwar E a matsayin daidaitawa da kuma F a matsayin abscissa.
4. Tsarin ƙaddara
Daidai pipette 20mL na ruwa mai nutsewa a cikin ƙwanƙwasa 100mL, ƙara 20mL na jimlar ƙarfin ƙarfin ionic (TISAB), motsawa akan mai motsawar maganadisu na 3min, kuma kai tsaye auna yuwuwar bambancin mv tare da lantarki na fluorine.Nemo madaidaicin abun ciki na fluorine m a cikin abun ciki na fluorine-mai yuwuwar bambance-bambancen ma'aunin lantarki.
Tsari sigogi
| SanyiHatimin Ƙara | Nickelion | Fluoride | PH | zafin jiki |
| 0.9 ~ 1.3g/L | 0.4 - 0.6g/L | 5.5-6.5 | 22 ~ 28 ℃ |
