Kayan aikin gano ƙarfe mai nauyi na ƙasaGround nauyi karfe ganowa kayan aikiƘasa mai nauyi karfe gurɓataccen abubuwa ne mafi yawan mercury, cadmium, gubar, jan ƙarfe, chromium, arsenic, nickel, baƙin ƙarfe, manganese, zinc da sauransu, arsenic ko da yake ba su da nauyi karfe, amma saboda halayensa da tushen da kuma haɗari ne kamar nauyi karfe, don haka yawanci aka haɗa da nauyi karfe nau'ikan tattaunawa.Dangane da bukatun shuka, za a iya rarraba abubuwan karfe zuwa nau'ikan 2: 1 abubuwan da ba a buƙata don ci gaban ci gaban shuka ba, yayin da haɗarin lafiyar mutum ya fi bayyane, kamar cadmium, mercury, gubar da sauransu. ② al'ada shuka girma da ci gaban abubuwa da ake buƙata, kuma a kan jikin mutum akwai wasu physiological ayyuka, kamar jan ƙarfe, zinc, da sauransu, amma da yawa zai haifar da gurbataccen, hana shuka girma da ci gaban.
Kayan aiki Test Features
1, ingantaccen aiki, aiki kwanciyar hankali ne mafi kyau fiye da ƙasa misali JJG79-90 misali 5-6 sau, maimaitawa ya kai kashi class spectrophotometer nuna alama, amfani da microprocessor fasaha, guda kwamfuta sarrafawa, taɓa maɓallin, aiki mai sauki.
2, Heavy karfe gwaji ya yi amfani da hadaddun digestion da subitem gwajin fasaha, sauƙaƙe gwajin tsari, rage gwajin lokaci, sosai inganta gwajin inganci, inganta gwajin daidaito.
3, m scalability, na'urar ba kawai za a iya gano karfe mai nauyi kuma za a iya fadada gwajin auna ƙasa, taki, magungunan abinci a cikin tsire-tsire, mai amfani da inji ɗaya.
4, ƙasa mai nauyi karfe detector harvesting, na'urar, na'urar a cikin daya, daidai da wani karamin dakin gwaje-gwaje, biyu aluminum gami akwatin jiki, sauki don ɗaukar, sauki filin gwaji, motsi sabis. Ya dace da sashin gwajin asali don binciken kayan lambu, 'ya'yan itace da sauran abinci da ke ƙunshe da gurɓataccen ƙarfe mai nauyi.

Ground nauyi karfe ganowa kayan aikiKa'idar gwaji:
(A) Bayan an narkar da samfurin, duk nau'ikan ƙarfe masu nauyi (gami da arsenic, gubar, cadmium, chromium, mercury, nickel, baƙin ƙarfe, aluminum, zinc, manganese, jan ƙarfe, da dai sauransu) suna canzawa zuwa nau'ikan ion, bayan ƙara nau'ikan gwajin da suka dace da launi, a cikin wani ƙididdigar ƙididdiga, zurfin launin mafita yana da alaƙa da abun ciki na ƙarfe masu nauyi, bi dokar Lamb-Bill, sa'an nan kuma ta hanyar kayan aiki don auna ƙimar abun ciki, kwatanta da ƙa'idodin ingancin ingancin kayan aikin gona ba tare da gurɓataccen kayan lambu ba don ƙididdigar ƙididdigar ƙididdigar ƙ
(2) Ka'idodin gwaji da kuma amfani da ƙa'idodin ƙarfe masu nauyi
1. Ka'idar gwajin arsenic mai nauyi da kuma amfani da ka'idoji
Amfani da ƙa'idodin kasa (GB / T5009.11-2003) borohydrogen / carbide rage launi kwatancen, wato, bayan da samfurin ya narke, ƙara potassium iodide-thiourea da dumama, rage arsenic biyar zuwa arsenic uku, a ƙarƙashin yanayin acid, borohydrogen / potassium carbide rage arsenic uku zuwa mummunan uku, samar da hydrogen arsenicide shigo da ruwa mai rawaya, ta hanyar gwajin kayan aiki don samun abun ciki na arsenic.