Ua raws li daim ntawv cog lus ", ua raws li qhov xav tau ntawm kev ua lag luam, koom nrog kev sib tw ua lag luam los ntawm nws qhov zoo tshaj plaws thiab muab kev pabcuam zoo tshaj plaws rau cov neeg siv khoom kom lawv dhau los ua tus yeej tseem ceeb. Kev ua lag luam, yog qhov kev txaus siab ntawm cov neeg siv khoom rau Formic Acid rau Stainless Steel Cleaning, Peb ua raws li lub hauv paus ntawm "Kev Pabcuam ntawm Standardization, kom ua tau raws li Cov Neeg Siv Khoom Xav Tau".
Ua raws li daim ntawv cog lus ", ua raws li qhov xav tau ntawm kev ua lag luam, koom nrog thaum lub sijhawm sib tw ua lag luam los ntawm nws qhov zoo tshaj plaws kuj tseem muab kev pabcuam zoo dua thiab zoo rau cov neeg siv khoom kom lawv dhau los ua tus yeej tseem ceeb. Kev nrhiav kev lag luam, yog qhov kev txaus siab ntawm cov neeg siv khoom rau, Peb tau ua lub luag haujlwm tseem ceeb rau txhua yam ntsiab lus ntawm peb cov neeg siv khoom xaj tsis hais txog qhov zoo ntawm kev lees paub, tus nqi txaus siab, kev xa khoom sai, kev sib txuas lus raws sijhawm, kev ntim khoom txaus siab, cov nqe lus them nyiaj yooj yim, cov nqe lus xa khoom zoo tshaj plaws, kev pabcuam tom qab muag khoom thiab lwm yam. Peb muab kev pabcuam ib zaug thiab kev ntseeg siab zoo tshaj plaws rau peb txhua tus neeg siv khoom. Peb ua haujlwm hnyav nrog peb cov neeg siv khoom, cov npoj yaig, cov neeg ua haujlwm kom ua rau yav tom ntej zoo dua.

Cov Lus Nug Feem Ntau

Xav tau kev pab? Nco ntsoov mus saib peb cov rooj sib tham txhawb nqa kom tau cov lus teb rau koj cov lus nug!

Peb puas tuaj yeem luam peb lub logo rau ntawm cov khoom?

Tau kawg, peb ua tau. Tsuas yog xa koj lub logo tsim rau peb.

Koj puas txais cov xaj me me?

Yog. Yog tias koj yog ib lub khw muag khoom me me lossis pib ua lag luam, peb yeej txaus siab loj hlob nrog koj. Thiab peb tab tom nrhiav rau pem hauv ntej kom ua haujlwm nrog koj rau kev sib raug zoo mus sij hawm ntev.

Tus nqi li cas? Koj puas ua tau kom pheej yig dua?

Peb yeej ib txwm xav txog qhov zoo ntawm cov neeg siv khoom ua qhov tseem ceeb tshaj plaws. Tus nqi tuaj yeem sib tham tau raws li ntau yam xwm txheej, peb paub tseeb tias koj yuav tau txais tus nqi sib tw tshaj plaws.

Koj puas muab cov qauv dawb?

Zoo siab uas koj sau tau cov kev tshuaj xyuas zoo rau peb yog tias koj nyiam peb cov khoom thiab kev pabcuam, peb yuav muab qee cov qauv dawb rau koj ntawm koj qhov kev txiav txim tom ntej.

Koj puas xa tau raws sijhawm?

Tau kawg! peb tshwj xeeb hauv kab no tau ntau xyoo, ntau tus neeg siv khoom ua ib daim ntawv cog lus nrog kuv vim peb tuaj yeem xa cov khoom raws sijhawm thiab khaws cov khoom zoo tshaj plaws!

Kuv puas tuaj yeem mus xyuas koj lub tuam txhab thiab lub Hoobkas hauv Suav teb?

Tseeb. Koj zoo siab tos txais koj tuaj xyuas peb lub tuam txhab hauv Zibo, Suav teb. (1.5H tsav tsheb los ntawm Jinan)

Kuv tuaj yeem tso qhov kev txiav txim li cas?

Koj tuaj yeem xa peb cov lus nug rau ib tus neeg sawv cev muag khoom kom tau txais cov ntaub ntawv qhia txog kev txiav txim, thiab peb yuav piav qhia txog cov txheej txheem kom ntxaws. Txoj kev txiav txim siab txheem rau formic acid
Kev Txheem Formic Acid: Ntsuas qhov hnyav li 3 g ntawm potassium hydrogen phthalate (ua ntej ziab kom ruaj khov ntawm 125 ° C) thiab yaj nws hauv 100 mL dej distilled. Ntxiv 1-2 tee ntawm 1% phenolphthalein indicator thiab titrate nrog NaOH kua kom txog thaum mus txog qhov kawg xim liab dawb.