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ngwaahịa

China dichromate sodium dichromate dị elu

nkowa nkenke:

Usoro: Na2Cr2O7·2H2O

Àgwà: ọka kristal oroma, mfe soluble na mmiri, nsi.

Ojiji: cromic acid mmepụta na ndị ọzọ chrome mmepụta, pigmenti, tanning, oxidant, osisi ichekwa, ọgwụ, wdg.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Nkọwapụta

Usoro:Na2Cr2O7· 2H2O
agwa:Mkpụrụ ọka kristal oroma, ọ dị mfe mgbaze na mmiri, nsi.
Ojiji:mmepụta cromic acid na mmepụta chrome ndị ọzọ, pigmenti, tanning, oxidant, nchekwa osisi, ọgwụ, wdg.
ngwugwu:na akpa netwọk nke 50kg ma ọ bụ 25kg ọ bụla.
Na-eme ụkpụrụ:GB1611-92

Ihe

Nkọwapụta

Ọkwa A

Ọkwa B

Ọkwa C

Ịdị ọcha ≥

99.3

98.3

98.0

Sulphates ≤

0.20

0.30

0.40

Cl ≤

0.10

0.10

0.20

Ihe ndị chọrọ nlebara anya

Nchịkọta ihe egwu

Ihe egwu ahụike: oke nsi: iku ume nwere ike ibute nnukwu mgbama mgbakasị iku ume, epistaxis, hoarseness, atrophy nke mucosa imi, mgbe ụfọdụ ụkwara ume ọkụ na cyanosis.Ọnọdụ siri ike nwere ike ịnwe oyi baa kemịkalụ.Nlekọta ọnụ nwere ike ịkpali ma mebie tract digestive, na-akpata ọgbụgbọ, vomiting, mgbu afọ, stool ọbara, wdg;N'ọnọdụ ndị siri ike, dyspnea, cyanosis, ujo, mmebi imeju na nnukwu ọdịda akụrụ mere.Mmetụta na-adịghị ala ala: kọntaktị dermatitis, ọnya chromium, rhinitis, imi septum perforation na akụkụ okuku ume ọkụ.

Ihe egwu mgbawa: Ngwaahịa a bụ carcinogen nwere nrụrụ siri ike na mgbakasị ahụ, nke nwere ike ibute ọkụ n'ahụ mmadụ.

Usoro enyemaka mbụ

Mmekọahụ akpụkpọ: yipụ uwe ndị emerụrụ emerụ ma jiri mmiri ncha na mmiri saa akpụkpọ ahụ nke ọma.

Nleta anya: bulie nku anya wee jiri mmiri na-eru eru ma ọ bụ saline nkịtị saa.Hụ dọkịta.

Inhalation: ngwa ngwa hapụ ebe ahụ gaa na ikuku ọhụrụ.Debe traktị iku ume n'enweghị ihe mgbochi.Ọ bụrụ na ọ na-esiri gị ike iku ume, nye oxygen.Ọ bụrụ na iku ume akwụsị, nye ume iku ume ozugbo.Hụ dọkịta.

Nri: kpochaa na mmiri na ịsa mmiri na mmiri ma ọ bụ 1% sodium thiosulfate ngwọta.Nye m mmiri ara ehi ma ọ bụ akwa ọcha.Hụ dọkịta.

Usoro ọgụ ọkụ

Njirimara ihe ize ndụ: oxidant siri ike.Ọ bụrụ na acid siri ike ma ọ bụ okpomọkụ dị elu, enwere ike ịhapụ oxygen iji kwalite combustion nke ihe ndị dị ndụ.Ọ na-emeghachi omume ike na nitrate na chlorate.Mgbe a gwakọtara mmiri na sodium sulfide, ọ nwere ike ịkpata ọkụ ọkụ.Mgbe ị na-akpọtụrụ ma ọ bụ na-agwakọta ya na organics, na-ebelata ihe ndị na-egbuke egbuke dị ka sọlfọ na phosphorus, e nwere ihe ize ndụ nke combustion na mgbawa.Ọ nwere corrosiveness siri ike.

Ngwaahịa nsure ọkụ na-emerụ emerụ: nwere ike iwepụta anwụrụ ọkụ na-emerụ emerụ.

Ụzọ mgbanyụ ọkụ: jiri mmiri foduru na aja menyụọ ọkụ.

Ọgwụgwọ mberede nke ntapu

Ọgwụgwọ mberede: kewapụ ebe emetọọ ma gbochie ohere.A na-atụ aro na ndị na-ahụ maka ọgwụgwọ mberede kwesịrị iyi ihe mkpuchi uzuzu (nkpuchi ihu zuru oke) na uwe nchebe gas.Ekwela ka ntapu ahụ banye na kọntaktị organic, na-ebelata ihe ndị na-egbu egbu na ihe ndị na-egbu egbu.

Obere ntapu: kpokọta ya na shọvel dị ọcha n'ime akpa kpọrọ nkụ, dị ọcha na mkpuchi.

Nnukwu ntapu: chịkọta ma megharịa ma ọ bụ bufee na saịtị ọgwụgwọ mkpofu maka mkpofu.

Ijikwa na nchekwa

Akpachara anya na-arụ ọrụ: arụ ọrụ mechiri emechi, wusie ike ikuku.A ga-azụrịrị ndị na-arụ ọrụ nke ọma ma rube isi na usoro ọrụ.A na-atụ aro ka ndị na-arụ ọrụ kwesịrị iyi mkpuchi mkpuchi ikuku ọkụ eletrik, uwe mgbochi nje polyethylene na gloves roba.Debe ọkụ na isi okpomọkụ.Enweghị ise siga n'ebe ọrụ.Zere uzuzu.Zenarị kọntaktị na ndị na-ebelata ihe ọṅụṅụ na mmanya.Mgbe ị na-ebu ya, ekwesịrị ịkwanye ya ma budata ya obere ka ọ ghara imebi ngwugwu na akpa ahụ.A ga-enyerịrị ngwa ọgụ ọkụ nke ụdị dị iche iche kwekọrọ na ọnụọgụ yana ngwa ngwa ọgwụgwọ ihe mberede.Akpa efu nwere ike ịnwe ihe ndị na-emerụ ahụ.Ihe nchekwa nchekwa: chekwaa n'ụlọ nkwakọba ihe dị jụụ, kpọrọ nkụ na nke ikuku na-ekuku.Debe ọkụ na isi okpomọkụ.Okpomọkụ nchekwa ekwesịghị gafere 35 ℃, na iru mmiri agaghị agafe 75%.A na-emechi ngwugwu ahụ.Ekwesịrị ịchekwa ya iche site na mbenata ihe na-egbu egbu na mmanya na-egbu egbu, ma ekwesịrị ịzere nchekwa agwakọta.Ebe nchekwa ahụ kwesịrị ịbụ ihe eji eme ihe kwesịrị ekwesị iji nwee ntapu.


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