Aikace-aikacen Sodium Cyanide a cikin Ƙwararrun Magunguna

1. Gabatarwa

sodium cyanide (NaCN), wani muhimmin fili na inorganic, yana taka muhimmiyar rawa a sassan masana'antu daban-daban. A cikin daular Haɗin magungunan kashe qwari, abubuwan sinadarai na musamman suna ba da damar ƙirƙirar kewayon ingantattun magungunan kashe kwari. Wannan labarin delves cikin m aikace-aikace na Sodium cyanide a cikin haɗin gwiwar magungunan kashe qwari, bincika hanyoyin amsawa, nau'ikan magungunan kashe qwari da ke ba da gudummawar su, da abubuwan da ke tattare da aminci da muhalli.

2. Abubuwan Sinadarai na Sodium Cyanide

Sodium cyanide fari ne mai kauri mai kauri wanda ke narkewa cikin ruwa cikin sauki. Yana da nauyin molar na 49.01 g/mol kuma yana narkewa a 563.7 ° C. Ɗaya daga cikin fitattun halayensa shine halinsa na rushewa a cikin mafita na tushen ruwa, yana sakin ions cyanide mai yawan amsawa. Waɗannan ions suna shiga cikin halayen sinadarai da yawa, waɗanda ake amfani da su wajen haɗar magungunan kashe qwari.

A lokacin da sodium Cyanide yana amsawa da ruwa, wani tsari da ake kira hydrolysis yana faruwa, yana samar da hydrogen cyanide da sodium hydroxide. Wannan halayen na iya tafiya a cikin duka kwatance, kuma dalilai kamar zafin jiki da pH na iya rinjayar ma'auni tsakanin masu amsawa da samfuran. A cikin haɗin gwiwar magungunan kashe qwari, daidai sarrafa sakin ion cyanide daga sodium cyanide shine mabuɗin don tuƙi takamaiman halayen sinadarai.

3. Aikace-aikace a cikin Ƙwararrun Ƙwararru

3.1. Rubutun Magungunan Magungunan Kwari na Organonitrile

Mutane da yawa Organonitrile magungunan kashe qwari ana ƙera su ta amfani da sodium cyanide a matsayin kayan farawa mai mahimmanci. Alal misali, a cikin samar da cypermethrin, wani muhimmin magungunan kashe qwari na pyrethroid, sodium cyanide yana shiga cikin mataki mai mahimmanci. Yawanci, 3 - phenoxybenzaldehyde yana amsawa da sodium cyanide a gaban mai kara kuzari. Cyanide ion yana kai hari ga rukunin carbonyl na 3 - phenoxybenzaldehyde, yana samar da tsaka-tsakin fili. Bayan haka, ƙarin halayen kamar cyclization da esterification suna faruwa, a ƙarshe yana haifar da samuwar cypermethrin. Wannan hanyar mayar da martani ba ta iyakance ga cypermethrin ba; Hakanan ana amfani dashi a cikin haɗin sauran magungunan kashe qwari na pyrethroid kamar deltamethrin da permethrin.

3.2. Synthesis na Nitrile - dauke da Herbicides

Sodium cyanide shima yana taka rawa wajen samar da wasu magungunan ciyawa. A cikin samar da wasu nitrile - dauke da maganin ciyawa, rukunin cyanide da aka gabatar daga sodium cyanide ya zama muhimmin sashi na kwayoyin herbicidal. Tsarin dauki yakan ƙunshi halayen maye gurbin nucleophilic.

Misali, lokacin da halogen - kayan kamshi da aka maye gurbinsa ya yi aiki da sodium cyanide, ion cyanide yana aiki azaman nucleophile kuma ya maye gurbin halogen atom. Sakamakon nitrile - mai ƙunshe da tsaka-tsaki sannan yana fuskantar jerin ƙarin gyare-gyare don samar da samfurin maganin ciyawa na ƙarshe. Wannan hanya tana ba da damar haɓakar herbicides tare da takamaiman hanyoyin aiki, kamar hana mahimman enzymes a cikin metabolism na shuka.

3.3. Gudunmawa a cikin Haɗin Kan Gudanar da Ci gaban Kwari

A cikin haɗin wasu masu kula da ci gaban kwari, ana iya amfani da sodium cyanide don gabatar da ƙungiyoyi masu aiki waɗanda ke da mahimmanci ga ayyukan nazarin halittu na samfurin ƙarshe. Alal misali, a cikin ƙirƙirar wasu ƙananan hormones na yara, an haɗa ƙungiyar cyanide a cikin tsarin kwayoyin ta hanyar matakai masu yawa. Tsarin yawanci yana farawa ne da kwayar halitta mai ƙima wacce ke da rukunin barin dacewa. Sodium cyanide yana amsawa tare da wannan precursor, yana maye gurbin rukunin barin tare da ƙungiyar cyanide. Sa'an nan kuma, halayen da suka biyo baya sun kara gyara cyanide - mai dauke da tsaka-tsaki don ƙirƙirar mai sarrafa ci gaban kwari tare da takamaiman aiki. Wannan nau'in mai sarrafa na iya tarwatsa ci gaban al'ada da ci gaban kwari, kamar hana su metamorphosis, don haka yana taimakawa wajen sarrafa yawan kwari.

4. Tsaro da Tunanin Muhalli

4.1. Gubar Sodium Cyanide

Sodium cyanide yana da guba sosai. Shakar shi, hadiye ta, ko cudanya da fata na iya zama mai kisa. Cyanide ions da aka saki daga sodium cyanide na iya ɗaure zuwa wani enzyme da ake kira cytochrome c oxidase a cikin sel. Wannan ɗaure yana dakatar da sarkar jigilar lantarki, yana hana sel yin amfani da iskar oxygen yadda ya kamata. A sakamakon haka, sel suna mutuwa da sauri, wanda zai iya haifar da mummunan lamuran lafiya har ma da mutuwa a cikin mutane da dabbobi. Adadin sodium cyanide wanda zai iya zama kisa ga mutane kadan ne, yawanci daga 50 - 100 MG. Don haka, dole ne a bi tsauraran matakan tsaro yayin sarrafawa, adanawa, da amfani da sodium cyanide a wuraren hada magungunan kashe qwari. Ma'aikatan da ke cikin aikin samarwa suna buƙatar sanya kayan kariya masu dacewa, gami da kariya ta numfashi, safar hannu, da tufafin kariya.

4.2. Tasirin Muhalli

Yin amfani da sodium cyanide a cikin haɗin gwiwar magungunan kashe qwari kuma yana kawo haɗarin muhalli. A yayin zubewar haɗari ko zubar da ba daidai ba, sodium cyanide na iya gurɓata ƙasa da tushen ruwa. Da zarar a cikin mahalli, zai iya rushewa ya zama hydrogen cyanide, iskar gas mai sauƙi kuma mai guba sosai.

A cikin ruwa, cyanide na iya zama cutarwa ga rayuwar ruwa. Ko da a ƙananan ƙididdiga, yana iya rinjayar rayuwa, girma, da haifuwa na kifi, invertebrates, da sauran kwayoyin halitta na ruwa. Haka kuma, idan aka yi amfani da ruwan da aka gurɓata da cyanide don ban ruwa, zai iya lalata tsire-tsire kuma ya shiga cikin sarkar abinci.

Don rage waɗannan haɗarin muhalli, masana'antun magungunan kashe qwari dole ne su aiwatar da ingantattun dabarun sarrafa sharar gida. Wannan ya haɗa da magance ruwan datti mai ɗauke da cyanide don cirewa ko kawar da cyanide kafin zubar. Fasahar jiyya ta gama gari sun haɗa da sinadarai oxidation, jiyya na halitta, da hazo.

5. Kammalawa

Sodium cyanide wani abu ne mai mahimmanci a cikin haɗin gwiwar magungunan kashe qwari, yana ba da damar samar da nau'ikan magungunan kashe qwari tare da hanyoyin aiki daban-daban. Ƙarfinsa na shigar da ƙungiyar cyanide cikin ƙwayoyin magungunan kashe qwari ta hanyar halayen sinadarai na musamman ya haifar da samar da ingantattun magungunan kashe kwari waɗanda ke da mahimmanci ga aikin noma na zamani da kare lafiyar jama'a.

Koyaya, babban guba na sodium cyanide da yuwuwar cutarwarsa ba za a iya watsi da ita ba. Yayin da masana'antar kashe qwari ke ci gaba da haɓakawa, yana da mahimmanci a sami daidaito tsakanin cin moriyar sodium cyanide wajen haɗa magungunan kashe qwari da aiwatar da tsauraran matakan tsaro da kare muhalli. Wannan na iya haɗawa da haɓaka madadin, ƙananan hanyoyin kira mai guba ko inganta hanyoyin da ake da su don rage amfani da sakin sodium cyanide. Tare da ingantacciyar kulawa da ci gaban fasaha, aikace-aikacen sodium cyanide a cikin haɗin gwiwar magungunan kashe qwari na iya ci gaba da ba da gudummawa ga amincin abinci na duniya da sarrafa kwari tare da kare lafiyar ɗan adam da muhalli.