Tine michina yemazuva ano. Zvigadzirwa zvedu zvinotengeswa kunze kwenyika kuenda kuUSA, UK nezvimwewo, zvichifarirwa nevatengi vedu nekuda kweFactory Liquid Glacial Acetic Acid 99.9% muBulk Supply, Tichaita zvese zvatinogona kuti tisvike kana kupfuura zvinodiwa nevatengi nemhinduro dzemhando yepamusoro, pfungwa yepamusoro, uye mupi anoshanda zvakanaka uye nenguva. Tinogamuchira vese vanoda kutenga.
Tine michina yemazuva ano. Zvigadzirwa zvedu zvinotengeswa kunze kwenyika kuenda kuUSA, UK nezvimwewo, zvichifarirwa nevatengi vedu. Kutengesa mhinduro dzedu hakuna njodzi uye kunounza purofiti yakawanda kukambani yenyu. Chinangwa chedu ndechekugadzira kukosha kune vatengi. Kambani yedu iri kutsvaga vamiririri nemwoyo wese. Muri kumirirei? Uyai muzobatana nesu. Iye zvino kana kuti kwete.














Zviri Mukati meLiquid Glacial Acetic Acid
Musimboti: Kuderedza simba remvura uchishandisa sodium hydroxide standard solution uchishandisa phenolphthalein sechiratidzo. Hunhu hweasidhi yeFormic hunobviswa mukuverenga.
Zvigadziriso uye Mhinduro:
Mhinduro yakajairika yeSodium hydroxide: c(NaOH) = 1 mol/L.
Chiratidzo chePhenolphthalein: 5 g/L ethanol solution. Nyungudutsa 0.5 g phenolphthalein mu 100 ml ye 95% (V/V) ethanol wobva wabvisa 4 g/L sodium hydroxide solution kusvika yabuda ruvara rwepingi rusina kujeka.
Mudziyo: Bhodhoro rekuyera rine denderedzwa (rinokwanisa 3 ml); alkaline burette (rinokwanisa 50 ml). Liquid Glacial Acetic Acid.
Maitiro: Yera 2.5 g yemuenzaniso mubhodhoro rine huremu hweconical, zvichienderana ne 0.0001 g. Isa bhodhoro mu 250 ml conical flask ine 50 ml yemvura yakacheneswa isina carbon dioxide. Vhura chivharo chebhodhoro, wedzera 0.5 ml ye phenolphthalein indicator, wobva waisa sodium hydroxide standard solution kusvika ruvara rwepingi rusina kujeka ruchiramba rwuripo kwemasekonzi mashanu.