Reagents ne abubuwa, ba tare da wanda ba shi yiwuwa a yi nazarin sunadarai

Duk wani bangare sunadarai ya shafi yin amfani da wasu sinadarai. Ganin cewa a cikin reagents - wani abu da zai iya haifar da tsanani cutar da lafiyar dan adam, to su ajiya dole ne hadu wasu bukatun.

kungiyar 7

Chemical reagents a cikin wannan kungiyar da high yawan guba, saboda haka su jeri, akwai wasu bukatun. su ne a cikin wani hadari, wanda aka located in laborantskoy. Ya na da key na mataimakin, kazalika da wani malamin sunadarai.

ajiya da sinadarai dakatar a makarantun sakandare, da kuma a cikin dakunan gwaje-gwaje na mafi girma makarantun, su hallara ne kawai a yarda idan na musamman domin daga shugaban ma'aikata. Laboratory gudanar da tsananin iko da bayar da irin wannan abubuwa, shan rubutu a wani musamman mujallar.

List of inorganic sunadarai yarda a makaranta dakin gwaje-gwaje

Lissafa abubuwan da asali inorganic sunadarai, wanda aka halatta wa zanga-zanga gwaje-gwajen a cikin sunadarai darussa a makaranta:

• sauki abubuwa: sodium karfe, crystalline aidin, ruwa bromine.
• sodium hydroxide, karfe oxides da kuma wadanda ba karafa.
• salts, ciki har da hadaddun mahadi, dichromates da chromates.
• acid mafita.

Organic abubuwa

Lura reagents kuma Organic abubuwa wanda sunadarai malami zai yi amfani a kafa makaranta m basira:

• aniline.
• Organic acid.
• benzene.
• phenol.
• formalin.

ga lafiya da bukatun ga sinadarai

Safe saka a laborantskoy sunadarai adanar reagents, kungiyar 7, yakan sanya daga m takardar karfe. Yarda da installing katako, tsarin, idan waje hadari ne liyi tare da baƙin ƙarfe, da kauri daga abin da ba kasa da 1 mm.

Akwai bukatun da kuma zuwa wurin da hadari. Ganin cewa reactants ne high-hadarin kafofin, kana bukatar ka zabi wani wuri a cikin hadari, don haka yana da sauki sa a akwati na wuta.

Standard bayani dalla-dalla daga high physiological aiki abubuwa

Daga cikin reagents da cewa suna da irin wannan Properties, shi za a iya ambata ƙarfe tutiya, alli, lithium, oxide da hydroxide, alli, nitrates karfe iodide, potassium permanganate, potassium, tutiya mahadi. Wadannan reagents ne abubuwa na karin hatsari, saboda haka, gwaje-gwajen da su ne a yarda ne kawai a karkashin kai tsaye dubawa na malamin.

Har ila yau kunshe a cikin jerin, da kuma Organic abubuwa irin diethyl ether, acetone, alcohols, cyclohexane, chloroform, da danyen mai. Irin wannan reagents ne abubuwa da suke da wani sakamako a kan mutum juyayi tsarin, saboda haka suna cire daga jerin sinadaran shirye-shirye a yi amfani da al'ada ilimi makarantu domin m aikin da dakin gwaje-gwaje gwajen.

A ajin za a iya amintattun (kulle) kawai 8 kungiyar na sinadarai da ake amfani a lokacin m aikin da dakin gwaje-gwaje gwajen. Irin wannan reagents ne abubuwa da suke da hadari ga lafiyar yara. Alal misali, wani bayani da chloride sodium sulfate potassium, alli chloride.

riƙewa sharudda kananan makarantu

A cikin kananan yankunan karkara makarantu wanda ba ya unsa da kasancewar wani musamman yankin a karkashin laborantskuyu dakin, ajiya na sunadarai dole ne ya biya kulawa ta musamman. Alal misali, reagent acid a cikin abin da taro na aiki wakili ya wuce kashi 50 cikin, ya kamata a sanya a cikin rufaffiyar filastik jakar da kuma daura.

Alkalis cewa ne a wani m jihar, dole ne ya zama a wani babba nesa daga acid, da tsare da factory marufi. Bayan bude wani kwalban da sodium hydroxide ko potassium ya kamata a tam rufe, sa'an nan sanya a cikin wani roba jakar ko gilashi, wadda aka tam rufe da wani marufi.

Kawai wani mai ruwa-ruwa bayani daga ammonia da hydrochloric acid na da babban tururi matsa lamba, don haka yana da muhimmanci a duba tightness na kunshin. Kamar yadda ƙarin aminci matakan lõkacin da aiki tare da wadannan reagents ne dauke da yin amfani da ƙarin sealing iyakoki, roba bags a banki.

Idan akwai wani dakin raba jeri reagents 2,5,6 kungiyoyin yarda da su zuwa Co-wuri a cikin wannan hukuma. A wannan yanayin, wajibi ne ga kowane rukunin dauki wani raba shiryayye. A mafi kyau zaɓi an ajiye a kan babba shiryayye daga reagents, kungiyar 5 a kasa za a iya kawota tare da abubuwa bankunan kungiyar 6, kasa na hukuma 2 kungiyoyin isar da reagents.

ƙarshe

A makarantun, wanda ya kamata su yi amfani da ga darussan da kuma karin-curricular ayyukan da sinadarai, akwai wani musamman wa'azi, bisa ga abin da wasu sarari aka kasaftawa a gare su. Classic awon bangaranci kabad amfani da su gidan sunadarai, liyi tare da zamani polymeric kayan da suke resistant ga illa na m yanayi.

A babu irin wannan m cladding, yana da muhimmanci a rufe duk ciki sassa na hukuma man Paint a 2-3 yadudduka yin bumpers a kan shelves, da tsawo daga wanda ya zama 3 cm.

Domin kare shelves daga ruwa, sai su sanya da dama yadudduka na polyethylene fim. Sakawa furniture a laborantskoy sunadarai da aka yi tare da m kiyaye da wuta aminci dokoki.

A kan bango ko a kan wani kofa laborantskoy sunadarai aji, dole ne su kasance a kan umarnin aiki kariya, amince da sanya hannu da darektan wani ilimi ma'aikata, da ciwon da hatimin na kungiyar.