Sodium Fluoride

Sodium fluoride,bụ ụdị inorganic compound, kemịkalụ usoro bụ NaF, tumadi eji na mkpuchi ụlọ ọrụ dị ka phosphating accelerator, ugbo ụmụ ahụhụ, akara ihe, preservatives na ndị ọzọ ubi.

Njirimara anụ ahụ:Njupụta dị na ya bụ 2.558 (41/4 ​​Celsius C), ebe mgbaze bụ 993 Celsius C, ebe isi mmiri bụ 1695 Celsius C [1].(Njupụta njupụta 2.79, ebe mgbaze 992 Celsius C, ebe esi esi 1704 Celsius C [3]) Soluble na mmiri (15 Celsius C, 4.0g / 100g; 25 Celsius C, 4.3g/100gchemicalbook), soluble na hydrofluoric acid, na insoluble. na ethanol.Ihe ngwọta mmiri bụ alkaline (pH = 7.4).Nsi (mmebi ụjọ usoro), LD50180mg / kg (oke, ọnụ), 5-10 grams ọnwụ.Njirimara: enweghị agba ma ọ bụ ọbụna ntụ ntụ kristal ọcha, ma ọ bụ kristal cubic, kristal mara mma, na-enweghị isi.

Njirimara kemịkalụ:kristal na-egbuke egbuke ma ọ bụ ntụ ọcha na-enweghị agba, sistemụ tetragonal, nwere kristal hexahedral ma ọ bụ octahedral mgbe niile.Na-edozi ntakịrị na mmanya;Na-agbaze n'ime mmiri, ngwọta mmiri bụ acidic, soluble na hydrofluoric acid iji mepụta sodium hydrogen fluoride.

Ngwa:

1. Enwere ike iji ya mee ihe dị ka ígwè carbon dị elu, dị ka onye na-ahụ maka ikuku nke na-esi nchara, ihe aluminom electrolytic ma ọ bụ electrolytic nụchara anụcha, ọgwụgwọ mmiri nke akwụkwọ, ihe nchekwa osisi (na sodium fluoride na nitrate ma ọ bụ diitol phenol N'ihi na mgbochi -corrosion nke isi ihe), jiri ihe (mmiri na-aṅụ, ntacha eze, wdg), sterilizers, ụmụ ahụhụ, preservatives, wdg.

2. A na-eji ya egbochi caries eze na caries ọnụ na enweghị fluoride na mmiri dị na mmiri dị na mmiri;

3. A na-eji obere doses eme ihe maka osteoporosis na ọrịa ọkpụkpụ paget;

4. Enwere ike iji ya dị ka akụrụngwa ma ọ bụ fluoride absorbent nke fluoride ọzọ ma ọ bụ fluoride;

5. Enwere ike iji ya mee ihe dị ka UF3 adsorbent na ìhè metal fluorine nnu ọgwụgwọ elekọta mmadụ, smelting refiners, na nuclear ụlọ ọrụ;

6. Ngwọta ịsacha nke ígwè na ọla ndị ọzọ, ndị ọrụ welded na welds;

7. Ceramics, iko na enamel na-agbaze na ndị na-ahụ maka shading, akpụkpọ anụ na-edozi ahụ na epidermal ọgwụgwọ nke ụlọ ọrụ ụda;

8. Mee ndị na-akwalite phosphate na ọgwụgwọ elu nke metal ojii iji mee ka ngwọta phosphorurative guzosie ike ma melite arụmọrụ nke akpụkpọ ahụ phosphorus;

9. Dị ka ihe mgbakwunye na mmepụta nke ihe mkpuchi na breeki, ọ na-ekere òkè n'ịbawanye nguzogide iyi;

10. Dị ka mgbakwunye na ihe, welie corrosion eguzogide nke ihe.

Mkpachapụ anya:

1. Jiri sodium fluoride na-achịkwa nke ọma ọnụ ọgụgụ nke fluorine kwa ụbọchị iji gbochie mmepụta nke nsị fluoride;

2. Sodium fluoride ngwọta ma ọ bụ gel kwesịrị itinye n'ime akpa rọba;

3. A machibidoro ndị ọrịa, ụmụ nwanyị dị ime, ụmụ nwanyị na-enye nwa ara, nro ọkpụkpụ na ọdịda akụrụ na mpaghara fluoride dị elu.

Mbukota na nchekwa

Usoro nkwakọ ngwaahịa:akpa rọba ma ọ bụ abụọ -Layer cowhide akwụkwọ akpa mpụta fiberboard barrels, plywood barrel, akwụkwọ mpempe akwụkwọ siri ike;plastic barrel (siri ike) n'èzí akpa rọba;plastic barrel (mmiri mmiri);akpa akwa abụọ ma ọ bụ otu akpa rọba otu-layer n'èzí akpa, akwa akwa akwa, akpa akwa akpa akwa, akpa latex;akpa rọba ihe mejupụtara akpa rọba kpara akpa (polypropylene three-in-one bags, polyethylene triple bags, polypropylene two-in-one bags, polyethylene two-in-one bag);akpa rọba ma ọ bụ akpa akwụkwọ akpụkpọ anụ abụọ-layer n'èzí igbe osisi nkịtị;kalama eri eri, mkpuchi ígwè pịa karama iko, karama plastik ma ọ bụ gbọmgbọm ọla (nwere ike) igbe osisi nkịtị;karama eriri eri, karama plastik ma ọ bụ tin -plated thin steel plate barrel (nwere ike) Igbe, igbe fiberboard ma ọ bụ igbe plywood. Nkwakọ ngwaahịa ngwaahịa: 25kg / akpa.

Akpachara anya maka nchekwa na mbugharị:N'oge njem ụgbọ oloko, ekwesịrị ịwụnye tebụl mgbakọ ibu dị ize ndụ n'ụzọ siri ike dabere na Iwu Mịnịstrị ụgbọ oloko nke Railways 'Dangerous Cargo Transportation.Tupu njem njem, lelee ma akpa nkwakọ ngwaahịa ezuola ma mechie ya.Mgbe a na-eme njem, ọ kwesịrị ịhụ na akpa ahụ ekwesịghị ịda, daa, daa ma ọ bụ mebie ya.A machibidoro ya ịgwakọta ya na acid, oxidant, nri na ihe mgbakwunye nri.N'oge njem, ụgbọ ala na-ebuga kwesịrị inwe akụrụngwa ọgwụgwọ ihe mberede na-agbapụta.N'oge njem, ikpughe anyanwụ na mmiri ozuzo kwesịrị ikpughe iji gbochie oke okpomọkụ.Chekwaa n'ụlọ nkwakọba ihe dị jụụ, kpọrọ nkụ na ikuku.Okpomọkụ ụlọ akwụkwọ anaghị agafe 30 Celsius C, yana iru mmiri adịghị agafe 80%.Mbukota na akara.Chekwaa iche na acid na kemịkalụ oriri, zere ịgwakọta.Ebe nchekwa ahụ ga-enwe ihe kwesịrị ekwesị iji nwee ntapu.Mejuputa usoro nlekọta "ise okpukpu abụọ" nke ihe ndị na-egbu egbu.