Txij li thaum lub invention ntawm instant noodle, nws tau los ua ib tug nrov zaub mov thoob plaws lub ntiaj teb no. Cov neeg nyiam txaus siab rau qhov yooj yim, ceev thiab tus nqi qis ntawm instant noodles rau pluas tshais, pluas su thiab noj hmo. Nyob rau hauv xyoo tas los no, instant noodles tau pom kev nce siab hauv cov koob npe thoob plaws ntiaj teb, los ntawm Asia mus rau Africa thiab mus rau Tebchaws Europe. Muaj ntau yam uas tau ua rau qhov kev thov nce ntxiv no.
Ua ntej tshaj plaws, kev nce ntawm cov neeg coob coob ntawm cov neeg ua haujlwm tau ua rau muaj kev xav tau ntau ntxiv rau cov khoom noj ceev thiab yooj yim. Instant noodles tuaj yeem siav hauv feeb thiab yog li muab kev daws yooj yim thaum lub sijhawm txwv. Tsis tas li ntawd, kev nce qib ntawm kev lag luam e-lag luam thiab kev nkag mus tau dav dua rau kev yuav khoom hauv online tau ua rau kev yuav cov noodles yooj yim dua puas tau.
Ntxiv nrog rau qhov xav tau ntau ntxiv rau kev yooj yim, qhov tsw thiab zoo ntawm instant noodles kuj tau txhim kho. Cov zaub mov thiab cov zaub mov txawv tau raug txhim kho kom muab saj zoo dua thiab khoom noj khoom haus. Yog li ntawd, ntau tus neeg tau mob siab rau sim cov noodles. Thaum kawg, tus nqi nce ntxiv ntawm cov khoom xyaw uas siv los ua cov tais diav ib txwm tau tsav tus nqi ntawm cov zaub mov, ua cov noodles tam sim no ntau dua kev xaiv noj mov.
Tag nrho cov xwm txheej no tau ua rau muaj kev muaj koob meej ntawm cov noodles thoob plaws ntiaj teb. Yog li ntawd, cov tuam txhab lag luam tau teb rau qhov kev xav tau loj hlob los ntawm kev muab cov kev xaiv dav dav ntawm cov khoom lag luam noodle thiab cov tsw qab. Qhov kev xaiv loj dua no tso cai rau cov neeg mus nrhiav cov ntawv qhia zaub mov uas zoo tshaj plaws rau lawv cov kev xav tau thiab saj. Thaum kawg, qhov no yuav pab tsav tsheb xav tau ntau dua rau cov noodles.
Tom qab lub koom haum International Food Packaging Association tsis ntev los no tau tshaj tawm "Cov Ntawv Pov Thawj Khoom Noj Khoom Noj Khoom Noj Khoom Noj Khoom Noj Zoo Tshaj Plaws," kev nyab xeeb ntawm kev ntim cov noodles thiab lwm cov khoom ntim khoom noj ob npaug nrog cov khoom lag luam tau ua rau muaj kev txhawj xeeb loj ntawm cov neeg siv khoom. Puas yog instant noodle ntim kev nyab xeeb? Nws puas tuaj yeem siv cov ntawv rov ua dua tshiab rau txheej txheej? Tsuas yog cov txheej sab hauv ntawm cov ntawv qib zaub mov tuaj yeem ua kom muaj kev nyab xeeb ntawm cov zaub mov? Tag nrho cov no kuj pib los ntawm cov qauv ntawm cov ntim ntim instant noodle, cia peb txheej txheej los nthuav tawm cov secrets ntawm instant noodle ntim. Cov qauv tseem ceeb ntawm kev ntim cov noodle feem ntau yog 6 txheej, los ntawm sab hauv mus rau sab nraud raws li hauv qab no:
Instant noodle tais txheej txheej qauv
A, txheej txheej yas zaj duab xis, feem ntau polyethylene (PE) khoom
Cov yas zaj duab xis innermost ntawm instant noodle tais
Cov txheej txheej sab hauv ntawm lub tais ntim khoom noj (piv txwv li cov phab ntsa sab hauv ntawm daim ntawv thoob hauv kev sib cuag nrog cov khoom noj) yog txheej ntawm cov yas zaj duab xis npog nrog cov duab los qhia, feem ntau yog ua los ntawm cov zaub mov qib polyethylene (PE), uas yuav tsum tau ua raws li cov khoom noj khoom haus. lub teb chaws tus qauv GB 9687-1988 "Kev Noj Qab Haus Huv Standards rau Polyethylene Moulded Khoom rau Khoom Noj Ntim". Cov khoom uas tsis muaj molecular thiab additives nyob rau hauv cov yas yuav yaj nyob rau hauv roj, dej los yog vinegar. Cov neeg tau txais kev pab feem ntau noj cov noodles instant nrog boiling dej, innermost PE zaj duab xis ntawm noodle chim yuav yuav yaj nyob rau hauv lub noodle kua zaub uas muaj ib tug loj npaum li cas ntawm cov roj thaum nws ua tau raws li qhov kub ntawm 100 degree.
Thib ob, zaub mov-qib ntawv dawb board
Instant noodle tais sab hauv txheej ntawm zaub mov-qib ntawv dawb board
Qhov thib ob txheej ntawm cov zaub mov-qib dawb daim ntawv board, uas yog, lub thiaj li hu ua "kev sib cuag nrog cov khoom noj" nyob rau hauv lub puab txheej ntawm daim ntawv, nyob rau hauv daim ntawv ntsuam xyuas, tag nrho cov muab ob npaug rau instant noodle tais ntawm lub puab txheej ntawm cardboard fluorescent tshuaj nyob rau hauv daim ntawv ntsuam xyuas. kab nrog cov qauv ntim khoom noj khoom haus thawj zaug, tab sis tsuas yog txheej txheej sab hauv ua tau raws li qhov yuav tsum tau ua ntawm qib zaub mov tsis ua kom muaj kev nyab xeeb ntawm tag nrho cov ntawv thoob, vim tias daim ntawv tais thiab txhua lub teb chaws txawv cov qauv ntawv tais, uas qhia meej meej tias "yuav tsum tsis siv cov ntaub ntawv raw khoom siv rov ua dua tshiab", thiab cov tuam txhab tam sim no tsuas yog hais tias txheej txheej ntawm daim ntawv no muaj kev nyab xeeb, raws li cov qauv ntawm cov ntawv qub, yog ib sab, kom dav dav. Lub koom haum soj ntsuam tsuas yog ntsuas ib txheej ntawm tag nrho cov khoom tsim nyog los yog kev nyab xeeb xaus kuj yog unscientific.
Thib peb, grey cardboard
Cov txheej txheem ntawm cov duab los qhia grey no uas daim ntawv tshaj tawm kev tshawb fawb tau sim cov txheej txheem ntawm cov noodle lub thoob, qhov kev sim, feem ntau ntawm cov noodle tais ntim cov khoom siv fluorescent tsis ua tau raws li qhov yuav tsum tau ua, nws zoo li yuav siv cov ntawv pov tseg lossis cov ntawv siv dua tshiab. Cov ntawv pov tseg muaj ntau tshaj 20 yam khoom tsis zoo, xws li number case, lead, benzene, mercury, plasticizers, bisphenol A, thiab lwm yam, uas nyuaj rau tswj. Cov khoom tsis zoo no khaws cia rau hauv tib neeg lub cev rau lub sijhawm ntev thiab yuav tsis tso tawm tag nrho ntawm lub cev thaum lub sijhawm, thiab lub sijhawm ntev ntawm cov khoom phom sij xws li txhuas thiab mercury hauv tib neeg lub cev tuaj yeem ua rau ntau yam kab mob thiab txawm tias mob qog noj ntshav. Qhov no yog vim lub fact tias cov tshuaj uas tshuav nyob rau hauv daim ntawv recycled yog tsuas yog los ntawm printing number case chemicals. Tsis tas li ntawd, yog tias daim ntawv rov ua dua yog nyob rau hauv kev sib cuag ncaj qha nrog dej, cov khoom noj oily lossis cov khoom noj uas tau muab tso rau hauv qhov kub thiab txias, ces nws tus kheej cov qauv yuav raug puas tsuaj, uas ua rau cov khoom seem hauv cov ntawv rov ua dua tshiab rau hauv cov khoom noj. Rau cov txheej txheem ntawm cov duab los qhia no, Tuam Tshoj tus qauv txheej txheem tsis muaj kev cai rau nws txoj kev nyab xeeb thiab kev noj qab haus huv, cov tuam txhab tsis muaj cov qauv, cia nyob ib leeg cov ntaub ntawv ntsuas, yog li nws tsis raug cai siv lawv qhov muag tsis pom.
Plaub, txheej txheej ntawm cov ntawv luam tawm
Instant noodle tais sab nrauv luam ntawv (sab sab xis ntawm daim duab) nyob rau hauv lub teeb ultraviolet qhia tau hais tias lub teeb xiav
Nyob rau hauv txheej txheej ntawm grey cardboard, thiab nws adhesion ua ke yog txheej txheej ntawm luam ntawv, txheej ntawm daim ntawv los ntawm lub wavelength ntawm 365nm ultraviolet lub teeb raug, uas qhia ib tug heev kaj xiav, uas yog, tej zaum yuav muaj ntxiv fluorescent whitening agent, los yog recycling cov ntaub ntawv pov tseg ntawm cov khoom fluorescent. Rau txheej ntawm cardboard no, lub teb chaws tus qauv tsis muaj nws cov kev cai thiab kev txwv.
Thib tsib,. kua roj vanish
Instant noodle tais luam ntawv txheej txheej ntawm cov kua roj vanish kom tag nrho ntim nto du thiab ci
Cov txheej txheej sab nrauv ntawm lub tais ntim khoom noj yog feem ntau ci heev, uas yog vim lub lag luam hauv cov ntawv luam ntawv number case nto coated nrog ib txheej ntawm cov kua roj vanish. Cov kua roj vanish yog ib hom txheej uas tsis muaj xim xim. Cov khoom tseem ceeb yog cob thiab hnyav los yog cob, roj thiab hnyav. Thaum siv rau saum npoo ntawm ib qho khoom, nws tsim cov zaj duab xis txheej nrog kev tiv thaiv, kho kom zoo nkauj thiab cov khoom tshwj xeeb. Cov kua roj vanish sab nraud ntawm lub tais instant noodle yog tsuas yog kom tsis txhob muaj kev sib cuag ncaj qha ntawm tus number case thiab tib neeg lub cev. Daim ntawv tais, khob ntawv hauv cov txheej txheem tsim khoom thiab muag khoom, txhawm rau kom txuag tau qhov chaw, feem ntau ib qho tshwj xeeb ntawm cov khoom ntim rau saum ib leeg ua ntej ntim, uas yog hais, txheej txheej ntawm cov khoom thiab txheej txheej sab hauv ntawm lwm tus. cov khoom, ntxiv rau kev tsim khoom thiab siv yam tsis muaj kev sib cuag, feem ntau ntawm lub sijhawm yog nyob rau hauv kev sib cuag. Cov duab los yog cov khoom tiav yuav muab tso ua ke thiab ncaj qha mus rau sab hauv ntawm lwm yam khoom. Txawm li cas los xij, kev siv cov kua roj vanish los cais cov number case zoo? Raws li kev nug, Tuam Tshoj tam sim no tsis muaj cov qauv tsim nyog rau cov kua roj vanish, rau txheej txheej sab nrauv ntawm cov noodle ntim cov kua roj vanish seb puas ua tau raws li cov khoom noj khoom haus, peb tsis paub, lub tuam txhab siv seb puas muaj kev tshawb fawb? Yog tsis yog, puas yog ua txhaum cai?
Rau, instant noodle tais txheej ntim zaj duab xis
Sab nrauv yas zaj duab xis ntawm instant noodle tais
Nyob rau hauv lub txheej txheej ntawm lub instant noodle tais, feem ntau yog ib txheej ntawm yas zaj duab xis, cov khoom ntau tus naj npawb thiab ntau lawm hnub, thiab lwm yam. feem ntau ua si nyob rau hauv lub txheej ntawm yas zaj duab xis, uas mas plays lub luag hauj lwm nyob rau hauv kev tiv thaiv cov khoom ntim, seb txheej ntawm cov yas zaj duab xis yuav tsum tau ua kom tau raws li cov kev cai ntawm qib zaub mov, lub teb chaws cov qauv tseem tsis tau teev tseg. Rau cov khob ntawv, lub tais ntawv lossis khob yas, lub tais yas thiab lwm yam khoom noj khoom haus tiv tauj cov khoom ntim, Lub Xeev Lub Tuam Txhab Saib Xyuas Kev Tswj Xyuas Zoo, Kev Tshuaj Xyuas thiab Quarantine hauv daim ntawv tso cai tsim khoom (QS) ua ntej kev soj ntsuam yog nruj me ntsis ntawm txhua yam khoom thiab cov khoom ntxiv, suav nrog lub tes tsho sab nrauv yuav tsum yog qib zaub mov. Cov saum toj no yog cov txheej txheem tseem ceeb ntawm lub tais instant noodle. Ntau tus neeg siv khoom muaj tus cwj pwm ntawm haus cov kua zaub thaum noj noodles, thiab txheej txheej ntawm noodle tais yog nyob rau hauv kev sib cuag nrog tib neeg tes thiab qhov ncauj, uas ua rau nws nyuaj los xyuas kom meej tias cov khoom tsis zoo yuav tsis ua mob rau cov neeg siv khoom.
Cov cuab yeej xeem thiab cov ntsiab lus
Cov cuab yeej kuaj siv rau kev xeem yog covmigration testernws tus kheej tsim thiab tsim los ntawm GBPI Co.
Test Principple
Muab cov kev daws teeb meem los sim rau hauv qhov hnyav cia tais ntawm lub tshuab pub mis tsis siv neeg, thiab lub khob khoob yog rhuab, txias thiab hnyav ntawm qhov kub thiab txias. Rov ua cov kauj ruam kom txog thaum tus nqi qhov hnyav tas li mus txog. Evaporate rau dryness ntawm ib da dej hauv qab ntawm lub boiling point ntawm cov kua soaking. Cov kab noj hniav yog rhuab mus rau 105 degree, qhuav thiab txias. Tom qab lub tais evaporating txias, qhov hnyav tas li yog txiav txim siab nrog qhov sib npaug (rhiab heev yog 0.01 mg), thiab qhov kev sim raug txiav kom ua tau raws li qhov xav tau ntawm qhov project.
Cov xwm txheej xeem thiab cov txheej txheem xeem
(1) Xam thaj tsam ntawm phab ntsa sab hauv thiab hauv qab ntawm lub thoob ntim noodle.
(2) Ntxiv hexane mus rau lub tshuab noodle ntim cov qauv kuaj. Qhov kev ncua deb ntawm cov kua theem ntawm hexane thiab sab sauv ntawm cov qauv yuav tsum tsis txhob ntau tshaj 1 cm, thiab sau cov ntim ntawm hexane ntxiv.
(3) Muab cov qauv tso rau hauv ib puag ncig ntawm 21 degree rau 2.5 h rau kev kuaj kev tsiv teb tsaws.
(4) Tom qab kev kuaj kev tsiv teb tsaws, 200 mL ntawm cov khoom noj simulant tau muab coj los ntawm cov qauv thiab muab tso rau hauv ib lub tais uas hnyav evaporation thiab evaporated rau hauv dej da dej, thaum ua qhov kev sim dawb paug.
(5) Hloov cov tais evaporating mus rau qhov sib npaug ntawm cov tais diav ntawm cov evaporation residue qhov ntsuas qhov hnyav tas li thiab kaw lub qhov rooj ntawm chav kuaj. Teem lub evaporating phaj naj npawb, ziab kub, ziab lub sij hawm thiab lwm yam tsis, nyem qhov kev xaiv xaiv, pib ziab, thiab raws li cov txheej txheem ziab lub sij hawm yuav hnyav.
(6) Kev xeem tiav, thiab cov cuab yeej suav thiab qhia cov txiaj ntsig kev xeem.
Cov qhabnias xeem thiab kev txheeb xyuas
Tag nrho kev tsiv teb tsaws ntawm cov qauv kuaj yog 2.25 mg / dm2.
Tag nrho cov kev tsiv teb tsaws chaw yog ib qho tseem ceeb ntawm kev siv cov cim qhia txog kev nyab xeeb ntawm cov khoom noj khoom haus. Nyob rau hauv daim ntawv no, tag nrho cov tsiv teb tsaws ntawm instant noodle thoob cov qauv nyob rau hauv n-hexane simulant tau sim siv GBPI tag nrho automated migration test, uas yog ib qho yooj yim rau kev khiav lag luam, txo tus nqi ntawm cov neeg ua haujlwm thiab tuaj yeem kuaj xyuas tag nrho cov kev tsiv teb tsaws ntawm cov qauv.
