Melamine (Melamine) ne wani muhimmin triazine nitrogen-dauke da heterocyclic organic sinadarai kasa, yafi amfani da melamine-formaldehyde resin, yadu ake amfani da itace sarrafawa, filastik, rufi, takarda, masana'antu, fata da sauran masana'antu, a matsayin farin lu'ulu'u.Melamine ba kayan abinci ba ne, me ya sa yake cikin madara da kayan madara? Masana'antar abinci sau da yawa tana buƙatar auna abun cikin sunadarai na abinci, saboda sunadarai suna da nau'ikan mutane sama da miliyan, auna sunadarai kai tsaye yana da rikitarwa a fasaha, don haka ƙungiyar ƙungiyar masu binciken sunadarai ta hukuma ta duniya (Association of Official AnalyticalChemists, AOAC) ta haɓaka hanyar amfani da hanyar nitrogen ta hanyar auna abun cikin nitrogen atoms, hanyar ƙididdigar abun cikin sunadarai a cikin abinci a kai tsaye, abinci daban-daban suna da ƙididdigar canzawa daban-daban, wanda ƙididdigar canzawa ta kayan kiwo ta kasance 6.38. Kasashen duniya sun bi ka'idodin aiwatar da wannan hanyar, kuma kasarmu ta ambaci ka'idodin hanyar a matsayin ka'idodin kasa. Saboda adadin nitrogen na melamine (66%) yana dauke da mafi girman adadin atoms na nitrogen idan aka kwatanta da matsakaicin adadin nitrogen na furotin (kimanin 16%), wasu masu ƙarya suna amfani da shi don ƙara shi a cikin abinci don haifar da ƙirar babban adadin sunadarai na abinci, wanda ya haifar da mummunan haɗari na abinci kamar gurɓataccen abincin dabbobi na Amurka a 2007 da abubuwan da suka faru na madara mai guba a China a 2008.，Bayan shigarwa cikin jiki ba za a iya kawar da shi ba, amma a kawar da shi daga fitsari kamar yadda yake, amma saboda yanayin jiki daban-daban na kowane mutum, wani zai samar da crystalline polymer da aka haɗa da cyanuric acid a cikin jiki, wanda ke haifar da dutsen koda, dutsen kwarara da sauran cututtuka.Taron madara mai madara ya haifar da damuwa mai yawa game da gwajin melamine, Babban Hukumar Kula da Inganci, Kulawa da Tsaro da Kwamitin Gudanarwa na Kasa sun fitar da Hanyar Gwajin Melamine a cikin madara mai ƙasa da kayayyakin madara (GB/T22388-2008) da kuma saurin ganowa na melamine a cikin madara na kasa-Fluid chromatography (GB/T22400-2008) Ƙididdigar ƙasa. A lokaci gudaBabban Daraktan Kula da Inganci na Kasa ya sanar da Dokokin Binciken Sharuɗɗan lasisi na Shirye-shiryen Yara da Yara na Kasuwanci (2010Dokokin Binciken Sharuɗɗan lasisi na kayan kiwo na kasuwanci (2010Edition), yana buƙatar duk kamfanonin da suka sami lasisi a halin yanzu na kayan madara da kayan madara na jarirai da ƙananan yara,a2010Dole ne a sake neman lasisi kafin ƙarshen shekara, kuma hukumomin lasisi dole ne su sake dubawa.2011shekara3watanni1Daga ranar, ba tare da sake samun izini ba, dakatar da kayan madara da kayan madara na jarirai da ƙananan yara. Idan aka kwatanta da na asali dokokin, sabon dokokin samfurin bincike abubuwa ya karu, musamman jarirai da ƙananan yara formula madara foda60Ƙarin ayyukan bincike na kamfanoni. Sabbin dokokin biyu na musamman suna buƙatar kamfanoni su tabbatar da gwajin madara da kayan madara da aka sayi.

1 kumakayan aikiBayani
1、Melamine gwaji ruwa chromatographer a madara da madara kayayyakinLC-3000ADukkanin tsarin taP3000BinaryHigh matsin lamba famfo,UV3000Mai ganowa, samfurin bawul, mai narkewa kwandon, chromatography ginshike, aiki software da sauransu maki; Shigarwa, debugging da kuma amfani ne sosai sauki.
2、P3000High matsin lamba infusion famfo ne zuwaCPLDFasaha a matsayin core, high daidaito infusion famfo tsarin sarrafa da guda kwamfuta inji. Cikakken dijital mita samar da tsarin, ci gaba motor tuki tsarin abokan mutum-inji nuni dubawa sa aiki ne mai sauki, ci gaba famfo kai da kuma guda bawul zane ra'ayi, hadewa da yau duniya *** kwarewa, sa tsarin a cikin daban-daban yanayi iya tabbatar da infusion daidaito da maimaitawa.
3、UV3000Yana da wani spectral detector, zai iya dacewa da wani infusion famfo, dacewa da kewayon aikace-aikace a fannoni na sinadarai bincike, magungunan kwari, magungunan kwari, sinadarai da sauransu. Amfani da cikakken dijital, high hadewa zane ra'ayi, sosai rage amo na kayan aiki; Dangane da watsa siginar dijital da sarrafawa, siginar mai ganowa za a iya shigar da shi kai tsaye zuwa tashar jirgin ruwa ta kwamfuta don tattara, kawar da katin tattara bayanai da aka yi amfani da kayan aikin gargajiya **!
II. Babban fasali
1、P3000jerin high matsin lamba analysis/Semi shirya famfo
Hanyar infusion Biyu piston reciprocating famfo, biyu piston suction ruwa.
Nuna320X240Bitrate babban allon LCD nuni da blue backlight
Tsarin Kariya Slow fara, dakatar, **/* Mini matsin lamba daidaitawa, atomatik ajiya
Haɗin tsarin1/8"Pipe haɗin
sarrafawa Independent yanayin Saita duk aiki sigogi ta hanyar maɓallin gaban panel. Aiki a kan high
Matsa lamba gradient yanayin lokacin da daya daga cikin famfo ne babban famfo, sarrafa high na sauran iri guda
Matsa lamba infusion famfo kuma za a iya cimma gradient yanayin ta hanyar gradient curves a kan allon
Yi tabbatarwa.
Yanayin serial port ta hanyarRS232baki, sarrafa high matsin lamba infusion famfo
wutar lantarki220V±10％，50Hz，400W
2、UV3000UV/VISMai ganowa
sarrafawa Independent yanayin Ta hanyar gaban panel key
Yanayin serial port ta hanyarRS232Software na sarrafawa
Nuna320X240Babban allon LCD nuni, daidaitaccen blue backlight
wutar lantarki220V±10%，50Hz，60W
Size da nauyi398X149X267mm(zurfinXBabbanXfadi),14kg

Uku, kayan aikiSaitawa

1. Ka'idar hanyar
AmfaniHPLCHanyar auna melamine, low farashi, ba buƙatar samuwa, sauki da sauki. Yi amfani da hanyoyin waje don nazarin ƙididdiga.
wannanShiryeAmfaniLuzhuang ingantaccen ruwa chromatographerLC-3000Binary High matsin lamba gradient, bisa ga kasa ka'idojiGB/T 22388-2008Ana gwada melamine a cikin madara. Hanyar tana da kwanciyar hankali da aminci, da kewayon gwaji mai yawa.

2. Kayan aiki & reagents
Luzhuang ruwa chromatographyLC-3000Biyu high matsin lamba gradient tsarin: infusion famfo, rarraba gradient na'urori da kuma online degassing na'urori;LC-3000UV Mai ganowa; Manu Sampler7725i，ChromatographyTashar aikiN2000P,centrifugal inji1( juyawa6*50ml）； Solid fasa fitarwa kananan ginshike da kuma fitarwa na'urori; nitrogen bushewa;
Melamine kula da samfuran saya dagasigmaKamfanin, samfurin madara mai ruwa sayi a manyan kasuwa, sauran reagents da aka yi amfani da su a gwajin kamar trichloroacetic acid, sodium hydroxide, citric acid da sodium octane sulfate duk a cikin darajar bincike.

3. Chromatography yanayi
ChromatographyTsarin:Venusil ASB-C18 4.6×250mm(Za a iya zaɓarC8ginshike)
Buffer:10mMCitric Acid, 10mMSodium sulfate na octane
Flow mataki: buffer mafita:Acenitrile=90：10
Samfurin yawa:20uL
Stream gudun:1.0mL/min
ginshiƙi zafi:40digiri

RuzhuangtufafiaikiAmfanin:
1.RuzhuangdagasabisInjiniyoyi da aka bincika da sinadarai,Horo na kayan aiki gyara da kuma kulawa,Suna iya kulawa da kuma gyara daban-daban sassa,Don yin your Good kayan aiki aiki daidai da sauri,Samun tabbatar da * magance matsalolinka da sauri.
2.Taimakon fasaha na waya---Masana Fixing Matsala don Amsa Kira,Bayar da mafita a kan lokaci.
3.*** Ayyuka----RuzhuangBayar da ingancin sabis a cikin kewayon ***.
4.Flexible amsa lokaci----Bayan wayar gyara，Aikiwayar jagora koHome magance matsaloli
5.Ba tare da katsewa ba24Sa'o'iOnline kayan aiki Tambayoyi
6.Kowace shekara tare da free karatun horo na chromatography.Abun ciki da chromatography ka'idodin,Bincike, aikace-aikace,Fasaha kayan aiki aiki,taimakoTaimakoKasancewa da Kulawa,Lambar sadarwa: Don Allah kula da samfurin bayanai，kaikumaiya wucewaShafin yanar gizon kamfaninBincike.

Dairy kayayyakin│Analysis na gwajin madara│Dairy kayayyakinNazarin DedicatedruwaChromatography │Milk da kayayyakin madaratsakiyaMelamineGanowa / bincike.

Chromatography kayan aiki masana'antun/Mai Chromatography/Shigo da Chromatography kayan aiki wakili/Ruwa chromatography masana'antun