Magnesium sulfate heptahydrate, kuma aka sani da sulphobitter, m gishiri, cathartic gishiri, Epsom gishiri, sinadaran dabara MgSO4 · 7H2O), ne fari ko colorless acicular ko oblique columnar lu'ulu'u, wari, sanyi da dan kadan m.Bayan bazuwar zafi, ana cire ruwan kristal a hankali zuwa magnesium sulfate mai anhydrous.An fi amfani da shi wajen kera taki, fata, bugu da rini, mai kara kuzari, yin takarda, robobi, ain, pigments, ashana, abubuwan fashewa da kayan hana wuta.Ana iya amfani da shi don bugu da rini bakin bakin auduga da siliki, a matsayin wakili mai nauyi ga siliki na auduga da filler ga kayayyakin kapok, kuma ana amfani da shi azaman gishirin Epsom a magani.
Kaddarorin jiki:
Bayyanar da kaddarorin: nasa ne na tsarin kristal rhombic, don kusurwoyi huɗu granular ko rhombic crystal, mara launi, m, tara don fari, fure ko koren gilashin luster.Siffar ta fibrous, acicular, granular ko foda.Rashin wari, ɗanɗano mai ɗaci.
Solubility: Sauƙi mai narkewa cikin ruwa, ɗan narkewa a cikin ethanol da glycerol.
Abubuwan sinadarai:
Kwanciyar hankali: Barga a cikin iska mai laushi a ƙasa da 48.1 ° C. Yana da sauƙi don saukarwa a cikin iska mai dumi da bushewa.Lokacin da ya fi 48.1 ° C, ya rasa ruwan kristal kuma ya zama sulfate na sihiri.A lokaci guda, magnesium sulfate yana haɓaka.A 70-80 ° C, ya rasa 4 crystal ruwa, rasa 5 crystal ruwa a 100 ° C, da kuma rasa 6 crystal ruwa a 150 ° C. A 200 ° C Magnesium - kamar ruwa sulfate, dehydrated abu ne sanya a cikin wani m iska. don sake sha ruwa.A cikin cikakken bayani na magnesium sulfate, kristal da aka haɗe da ruwa tare da 1, 2, 3, 4, 5, 6, da 12 ruwa na iya zama crystal.A cikin -1.8 ~ 48.18 ° C cikakken bayani mai ruwa, magnesium sulfate yana haɓaka, kuma a cikin cikakken bayani na ruwa na 48.1 zuwa 67.5 ° C, magnesium sulfate yana haɓaka.Lokacin da ya fi girma fiye da 67.5 ° C, magnesium sulfate yana haɓaka.Baƙi narke tsakanin ° C da magnesium sulfate na ruwa sulfate biyar ko huɗu an haifar da su.Magnesium sulfate aka canza zuwa magnesium sulfate a 106 ° C. Magnesium sulfate aka canza zuwa magnesium sulfate a 122-124 ° C. Magnesium sulfate tuba zuwa barga magnesium sulfate a 161 ~ 169 ℃.
Guba: Guba
Ƙimar PH: 7, tsaka tsaki
Babban Aikace-aikacen:
1) Filin abinci
A matsayin wakili na ƙarfafa abinci.Ana iya amfani da ƙa'idodin ƙasata don samfuran kiwo, tare da adadin 3 zuwa 7g / kg;Adadin amfani da ruwan sha da abin sha da madara shine 1.4 ⽞ 2.8g/kg;Matsakaicin amfani a cikin abubuwan sha na ma'adinai shine 0.05g/kg.
2) Filin masana'antu
An fi amfani da shi tare da gishiri na calcium don ruwan inabi uwar ruwan inabi.Ƙara zuwa 4.4g/100L ruwa na iya ƙara taurin ta 1 digiri.Lokacin amfani da shi, yana iya haifar da haushi kuma ya haifar da warin hydrogen sulfide.
An yi amfani da shi azaman sautin sauti, abubuwan fashewa, yin takarda, ain, taki, da laxes na likitanci, da sauransu, abubuwan da ake ƙara ruwa na ma'adinai.
3) Fannin noma
Ana amfani da Magnesium sulfate a cikin taki a aikin gona saboda magnesium yana daya daga cikin abubuwan da ke cikin chlorophyll.Ana amfani da amfanin gona na tukunyar tukwane ko magnesium, kamar tumatur, dankali, wardi, da sauransu. Magnesium sulfate yana da ma'aunin solubility idan aka kwatanta da sauran takin zamani.Magnesium sulfate kuma ana amfani dashi azaman gishirin wanka.
Hanyar shiri:
1) Hanyar 1:
Sulfuric acid an kara zuwa na halitta magnesium carbonate (magnesite), carbon dioxide an cire, recrystallized, Kieserite (MgSO4 · H2O) an narkar da a cikin ruwan zafi da kuma recrystallized, sanya daga teku ruwa.
2) Hanyar 2 (hanyar leaching ruwan teku)
Bayan an fitar da brine ta hanyar brine, ana samar da gishiri mai zafi mai zafi, kuma abun da ke ciki shine MgSO4>.30 bisa dari.35%, MgCl2 kusan 7%, KCl kusan 0.5%.Za a iya leached da haushi da MgCl2 bayani na 200g/L a 48 ℃, tare da kasa NaCl bayani da kuma ƙarin MgSO4 bayani.Bayan rabuwa, da danyen MgSO4 · 7H2O aka precipitated ta sanyaya a 10 ℃, da ƙãre samfurin da aka samu ta sakandare recrystallization.
3) Hanyar 3 (Hanyar Sulfuric acid)
A cikin tanki mai tsaka-tsaki, an ƙara rhombotrite a hankali a cikin ruwa da giya mai uwa, sa'an nan kuma an cire shi da sulfuric acid.Launi ya canza daga launin ƙasa zuwa ja.An sarrafa pH zuwa Be 5, kuma girman dangi shine 1.37 ~ 1.38(39 ~ 40° Be).A neutralization bayani da aka tace a 80 ℃, sa'an nan pH aka gyara zuwa 4 tare da sulfuric acid, dace iri lu'ulu'u da aka kara, da kuma sanyaya zuwa 30 ℃ domin crystallization.Bayan rabuwa, da ƙãre samfurin da aka bushe a 50 ~ 55 ℃, da kuma uwar barasa koma zuwa neutralization tank.Magnesium sulfate heptahydrate kuma za a iya shirya ta hanyar neutralizing dauki na low taro sulfuric acid tare da 65% magnesia a momorrhea ta hanyar tacewa, hazo, maida hankali, crystallization, centrifugal rabuwa da bushewa, shi ne Ya sanya daga magnesium sulfate.
Ma'aunin sinadaran amsawa: MgO+H2SO4+6H2O→MgSO4·7H2O.
Kariyar sufuri:Ya kamata marufi ya kasance cikakke lokacin jigilar kaya, kuma lodi ya kamata ya kasance lafiya.Lokacin sufuri, tabbatar da cewa kwandon kada ya zube, rushewa, faɗuwa, ko lalacewa.An haramta shi sosai don haɗuwa da acid da sinadarai masu cin abinci.A lokacin sufuri, ya kamata a kiyaye shi daga fitowar rana, ruwan sama da kuma yawan zafin jiki.Ya kamata a tsaftace motar sosai bayan an yi jigilar kaya.
Kariyar aiki:Rufe aiki da ƙarfafa samun iska.Dole ne mai aiki ya bi tsarin aiki sosai bayan horo na musamman.Ana ba da shawarar cewa masu aiki su sanya abin rufe fuska na tace kura mai tsotsa, gilashin kare lafiyar sinadarai, sanye da tufafin aikin shigar dafin guba, da safar hannu na roba.Ka guji kura.Ka guji hulɗa da acid.Haske da sauƙi cire marufi don hana marufi daga lalacewa.An sanye shi da kayan aikin jinya na gaggawa.Kwantena mara komai na iya zama rago masu lahani.Lokacin da ƙurar ƙura a cikin iska ta wuce daidaitattun ma'auni, dole ne mu sa abin rufe fuska ta tsotsa.Lokacin ceton gaggawa ko ƙaura, ya kamata a sa abin rufe fuska na rigakafin ƙwayoyin cuta.
Kariyar ajiya:An adana shi a cikin ɗakin ajiya mai sanyi, mai iska.Nisantar wuta da zafi.Ajiye dabam daga acid kuma kauce wa haɗe-haɗe ajiya.Wurin ajiya ya kamata a sanye shi da kayan da suka dace don ɗaukar ɗigogi.
Shiryawa: 25KG/BAG
Lokacin aikawa: Afrilu-10-2023