Cov iav siv hluav taws xob tuaj yeem tsim tsis yog tsuas yog kev lag luam xwb, lawv tuaj yeem tsim nyob hauv tsev, nrog rau cov tshuaj lom neeg tsim nyog. Nov yog qhia cov lus qhia ib qib zuj zus los qhia txog yuav ua li cas thiaj tsim daim iav.
Nws yog qhov tsim nyog
iav, pumice hmoov, ntaub nyias nyias, tsev ntxhua khaub ncaws, tshuaj ammonia, ob peb ncos nyiaj nitrate, 4 g ntawm sodium hydroxide npaj ua ntej,
Cov Lus Qhia
Kauj ruam 1
Xaiv ib qho tseem daig ntawm iav, muab nws tso rau saum toj ntawm rooj. Txhawm rau kom tsis txhob ua rau daim iav puas thaum lub sijhawm ua haujlwm, koj tuaj yeem tso qee yam mos mos hauv qab.
Kauj ruam 2
Ua kom huv si thiab ua rau lub ntsej muag iav tawg, koj tuaj yeem siv cov dej ntxuav vaj tse.
Kauj ruam 3
Moisten daim ntaub nyias nyias nyob rau hauv kev ncua ntawm zoo pumice hmoov, so lub khob nrog nws, tom qab ntawd yaug nrog dej distilled.
So cov iav nrog daim txhuam ntub dej ntub, tom qab ntawd nrog daim ntaub nyias nyias nyob rau stannous chloride (15%) ob rau peb zaug.
Sai sai ncuav qhov sib tov ntawm cov kev daws teeb meem mus rau hauv lub khob. Lub iav saum npoo yuav tsum yog 8-10 qib sov dua li qhov sib xyaw.
Kauj ruam 4
Silvering sib tov yog tsim los ntawm kev daws nyiaj thiab aldehyde.
Txhawm rau npaj ib litre ntawm cov tshuaj tov, yaj 4 g ntawm nyiaj nitrate hauv 300 ml ntawm dej distilled.
Kauj ruam 5
Hauv 270 ml ntawm cov kev daws teeb meem, ntxiv 25% ntawm ammonia tov ib tee zuj zus, nplawm zog nrog lub pas nrig iav. Thaum cov tshuaj daws tau meej meej, ntxiv ob peb tee ntawm cov nyiaj nitrate, ntxiv 4 g ntawm sodium hydroxide npaj ua ntej.
Kauj Ruam 6
Ntxiv ammonia tov dropwise mus rau lub teeb kasfes lub teeb ua kua kom txog rau thaum cov kua ua lub teeb bluish hauv qhov tsos. Tom qab ntawv ntxiv nyiaj nitrate thiab tshuaj ammonia kom tag nrho cov ntim ntawm ammonia siv yog 10-12 ml. Ntxiv cov dej distilled, nqa tag nrho cov ntim rau ib liter.
Kauj Ruam 7
Txhawm rau npaj cov tshuaj aldehyde, yaj 100 g ntawm cov kua qab zib hauv ib qho dej me me ntawm cov dej distilled, ntxiv 10 ml ntawm sulfuric lossis nitric acid, rhaub rau 10-15 feeb, ntxiv dej distilled, nqa lub ntim rau ib liter.
Kauj ruam 8
Kev sib xyaw rau cov nyiaj yog npaj los ntawm 5 ml ntawm aldehyde thiab 500 ml ntawm cov nyiaj tov. Kev khwv nyiaj yuav tsum tau pib thaum cov kua ua kom tsaus. Qhov sib xyaw xim yuav tsum sib kis ntawm tag nrho cov iav saum npoo.
Cov iav yuav tsum tsaus ntuj thiab tom qab ntawd pib ci. Tom qab 5-10 feeb, siv daim ntaub chamois ntau nplua nuj nyob hauv cov dej distilled kom tsav cov kua los ntawm lub khob thiab nchuav cov nyiaj sib tov dua. Tom qab lwm 15 feeb, rub lub khob thiab yaug qhov sib tov nrog dej.
Kauj Ruam 9
Rau lub zog, daim iav yuav tsum tau ci rau hauv txoj hauj lwm ncaj ntawm qhov kub ntawm 100-150 degrees, thiab tom qab ntawd duav nrog cov nyiaj zaj duab xis nrog cov kua roj vanish. Thaum cov kua roj vanish qhuav, npog nrog ib txheej tuab ntawm xim.
Cov kab hlau nyiaj nyob rau sab xub ntiag tuaj yeem raug muab tshem tawm nrog cov pas nrig nrog cov tshuaj tsis muaj zog ntawm hydrochloric acid.
Daim iav yog npaj txhij!
