Siv thiab ntxuav cov iav uas siv ntau hauv cov chav kuaj

Glassware feem ntau siv nyob rau hauv ntau lub chaw soj nstuam. Kev siv cov txheej txheem kom raug tuaj yeem txo lub neej ntawm cov khoom siv iav thiab ua kom qhov tseeb thiab qhov tseeb ntawm qhov kev sim.

Txawv Glassware muaj ntau txoj kev siv.

Kev ntxuav tes tom qab siv tas kuj tseem ceeb heev. Kab lus no yuav qhia txog kev siv peb hom khoom siv iav hauv chav kuaj thiab yuav ua li cas ntxuav nws.

beaker

Beakers,-Low-Form,-Griffin

iav Beakers yog cov khoom siv tshuaj tiv thaiv kab mob ntau tshaj plaws hauv chav kuaj rau cov kua dej, teeb tsa kev daws teeb meem, thiab kev sim tshuaj lom neeg yooj yim. Txawm hais tias lub beaker yog tib lub caliber, tsis tuaj yeem hloov lub tog raj kheej los ntsuas cov kua. Tsis tas li ntawd, vim hais tias cov nplaim hluav taws xob ncaj qha rau hauv qab ntawm lub beaker tuaj yeem ua rau lub thawv tawg vim tsis muaj cua sov, nws tsis tuaj yeem ncaj qha hlawv lub beaker siv cov nplaim taws thaum ua cov kev sim uas xav tau cua sov, tab sis siv cov asbestos lev rau. cua sov hauv qab.

Rau kev nyab xeeb vim li cas, tus nqi ntawm cov kua hauv lub beaker yuav tsum zoo dua tsis pub tshaj ib feem peb ntawm lub ntim ntawm lub beaker kom tiv thaiv cov kua los ntawm boiling. Lub beaker tsis muaj lub hau tsis yog qhov kev xaiv zoo rau kev khaws tshuaj mus ntev. Thaum siv cov iav rods los nplawm cov tshuaj, tsis txhob kov hauv qab lossis phab ntsa ntawm lub beaker thaum muab tso rau hauv.

Lub raj tshuaj ntsuas

Tubes,-Test,-tsis muaj-Rim,-Hav-wall

Lub raj tshuaj ntsuam yog ib lub khob iav uas muaj cov tshuaj me me thiab cov tshuaj tiv thaiv cua sov me me. Thaum muab cov khoom siv tshuaj rau hauv lub raj tshuaj ntsuam xyuas, tsis txhob tso ncaj qha rau hauv lub raj kuaj kom tsis txhob muaj qhov hauv qab ntawm lub raj kuaj los ntawm kev tawg. Cov tshuaj yuav tsum tsis txhob ntau tshaj ib nrab ntawm lub ntim, thiab cov tshuaj yuav tsum tsis txhob ntau tshaj ib feem peb ntawm lub ntim thaum lub sij hawm cua sov. Lub raj yuav tsum tau preheated thiab siv nrog cov nplaim taws sab nraud ua ntej cua sov. Lub raj yog tilted 45 ° thaum rhuab thiab sab nrauv phab ntsa ntawm lub raj raug tso cai kom qhuav kom tsis txhob tawg ntawm lub raj vim cua sov tsis sib xws.

Volumetric hwj

Flasks,-Conical,-nrog-Ground-Socket

Lub khob ntim ntim yog lub caj dab sib luag, pear-shaped ca-bottomed iav thawv siv los kho cov tshuaj. Tom qab cov tshuaj yog dispensed, cov tshuaj yuav tsum tau drained siv ib tug iav pas nrig. Thiab lub khob ntim ntim tsis tuaj yeem siv los ua kom sov cov tshuaj.

Yog hais tias cov kua dej yog exothermic thaum lub sij hawm kev daws teeb meem, tos rau kev daws kom txias ua ntej hloov mus kom tsis txhob ntim tsis txaus. Volumetric flasks yuav tsum tsis txhob siv los khaws cov kev daws teeb meem kom tsis txhob muaj corrosion.

Hom khob iav ntxhua khaub ncaws

Cov iav iav tuaj yeem muaj cov roj, xeb lossis nplai thaum kuaj. Tom qab siv lub iav ntsuas, nws yog ib qho tsim nyog yuav tsum tau nqa tawm raws sij hawm thiab huv si kom tsis txhob muaj corrosion ntawm lub thawv, uas yuav ua rau muaj kev ua yuam kev hauv kev sim thiab txo lub neej kev pab cuam ntawm lub khob ntim.

Lub khob ntim nrog cov stains yooj yim tshem tawm yog rinsed nrog kais dej ua ntej, ces txhuam nrog xab npum, thiab thaum kawg yaug nrog dej. Yog tias cov cuab yeej siv phab ntsa tuaj yeem tsim cov yeeb yaj kiab tsis sib xws ntawm cov dej thaum lub khob iav rov qab, thiab cov dej tsis nyob hauv Tshuag, cov iav yuav ntxuav.
Lub khob iav nrog cov roj stains yog ntxuav nrog alkaline cawv detergent ua ntej, ces ntxuav nrog xab npum dej, thiab thaum kawg ntxuav nrog dej.
Cov iav uas muaj xeb thiab nplai yuav tsum tau tsau rau hauv hydrochloric acid ntxuav cov tshuaj ua ntej, ces yaug nrog dej kais.

Nyob rau hauv rooj plaub uas cov iav nyuaj tsis tuaj yeem ntxuav nrog txhuam, nws tuaj yeem muab tso rau hauv cov kua ntxhua khaub ncaws ib ntus thiab tom qab ntawd ntxuav nrog dej.

Tsis txhob so lub khob khob rov qab nrog koj txhais tes, ntawv lossis ntaub tom qab ntxuav kom tsis txhob muaj kuab paug thib ob.

Ntau txoj hauv kev siv khob iav los nyem kuaj cuab yeej

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