Shaanxi BLOOM Tech Co., Ltd. yog ib tug ntawm cov uas paub txog manufacturers thiab lwm tus neeg ntawm sodium aluminium hydride cas 13770-96-2 nyob rau hauv Suav teb. Txais tos rau cov lag luam wholesale zoo siab sodium aluminium hydride cas 13770-96-2 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Sodium aluminium hydride, tseem hu ua sodium tetrahydroaluminate los yog sodium tetrahydroaluminum hydride, yog ib qho kev sib koom ua ke. Nws cov khoom ntshiab feem ntau tshwm li cov muaju dawb thiab yog soluble hauv tetrahydrofuran thiab ethylene glycol dimethyl ether, tab sis insoluble hauv ether. Nws ruaj khov nyob rau hauv ib puag ncig qhuav, tab sis thaum nws los rau hauv kev sib cuag nrog dej los yog huab cua ntub, nws tso cov pa roj hydrogen thiab tuaj yeem ua rau nws tus kheej. Nws yog cov khoom tawg yooj yim, cov khoom siv hluav taws xob rau tus kheej, thiab cov khoom siv hluav taws xob thaum raug cov dej noo, thiab corrosive. Nws yog ib qho muaj zog txo tus neeg sawv cev nrog txo cov khoom zoo ib yam li LiAlH ₄, thiab tuaj yeem siv rau kev txo qis hauv cov organic synthesis. Vim nws qhov zoo ntawm lub peev xwm loj thiab tus nqi qis, nws tuaj yeem siv los ua hydrogen (lossis thermal) qhov system cia.
Cov ntaub ntawv ntxiv ntawm chemical compound:
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Tshuaj Formula |
AlH4 Na |
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Exact Mass |
54.00 |
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Molecular Luj |
54.00 |
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m/z |
54.00 (100.0%) |
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Elemental Analysis |
Al, 49,96; H, 7,47; Ib., 42.57 |
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Melting point |
178 degree |
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Qhov ntom |
0.905 g / mL ntawm 25 degree |
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Sodium aluminium hydride(NaAlH ₄) yog ib qho tseem ceeb organometallic compound nrog dav siv nyob rau hauv cov organic synthesis, cov ntaub ntawv science, thiab lub zog cia. Cov hauv qab no yuav piav qhia txog nws lub hom phiaj:
Txo cov neeg ua haujlwm hauv cov organic synthesis
sodium tetrahydroaluminate yog lub zog txo tus neeg sawv cev nrog kev txo qis zoo ib yam li lithium aluminium hydride (LiAlH ₄), tab sis nws muaj qee qhov tshwj xeeb zoo, xws li kev ruaj ntseg dua thiab ntau yam kev siv. Nyob rau hauv cov organic synthesis, sodium aluminium feem ntau yog siv rau cov kev tshwm sim hauv qab no: Txo cov aldehydes thiab ketones: sodium tetrahydroaluminate tuaj yeem txo aldehydes thiab ketones rau lawv cov cawv sib xws. Cov tshuaj tiv thaiv no muaj ntau heev hauv cov organic synthesis thiab yog siv los tsim cov cawv sib txuas.
Piv txwv li, nyob rau hauv kev npaj ntawm complex organic molecules, sodium tetrahydroaluminate tuaj yeem xaiv txo aldehyde lossis ketone pawg yam tsis muaj kev cuam tshuam rau lwm pab pawg.
Txo cov carboxylic acids thiab lawv cov derivatives: sodium tetrahydroaluminate tuaj yeem txo cov carboxylic acids, carboxylic anhydrides, esters, thiab lwm yam rau cawv. Cov tshuaj tiv thaiv no yog qhov tseem ceeb hauv kev sib txuas ntawm cov khoom ntuj tsim thiab tshuaj.Piv txwv li, hauv kev npaj ntawm qee cov tshuaj intermediates, sodium tetrahydroaluminate tuaj yeem txo cov carboxylic acid esters rau cawv, yog li qhia cov pab pawg uas xav tau.
Txo cov neeg ua haujlwm hauv cov organic synthesis
Txo cov nitro tebchaw: sodium tetrahydroaluminate tuaj yeem txo cov nitro tebchaw rau cov amino tebchaw. Cov tshuaj tiv thaiv no yog dav siv nyob rau hauv cov synthesis ntawm dyes, tshuaj tua kab, thiab tshuaj.Piv txwv li, nyob rau hauv kev npaj ntawm tej yam dyes, sodium tetrahydroaluminate yuav txo tau nitrobenzene rau aniline, yog li synthesizing lub xav dye molecules.
Kev txo qis ntawm lwm pab pawg ua haujlwm: sodium tetrahydroaluminate kuj tuaj yeem txo cov kev ua haujlwm xws li nitriles, imines, epoxides, thiab tsim cov khoom sib txuas xws li amines thiab alcohols.Cov tshuaj tiv thaiv no muaj txiaj ntsig zoo hauv cov organic synthesis thiab tuaj yeem siv los tsim cov organic molecular complex.
Cov ntawv thov hauv Materials Science
Hydrogen cia khoom:Sodium aluminium hydridemuaj peev xwm hydrogen siab thiab thim rov qab hydrogen cia kev ua tau zoo, ua rau nws muaj peev xwm hydrogen cia khoom.Thaum lub sijhawm hydrogen cia txheej txheem, sodium tetrahydroaluminate tuaj yeem nqus cov pa hydrogen los ua sodium tetrahydroaluminate hydride (Na∝AlH ₆) thiab tso cov roj hydrogen thaum xav tau.Cov yam ntxwv no ua rau sodium tetrahydroaluminate daim ntawv thov kev thauj mus los.
Catalyst precursor: Sodium tetrahydroaluminate tuaj yeem siv los ua tus catalyst precursor rau kev npaj ntawm ntau yam hlau catalysts.Sodium tetrahydroaluminate tuaj yeem hloov mus rau hauv cov hlau sib xws lossis hlau alloy catalysts los ntawm pyrolysis lossis txo kev kho mob, uas yog siv los catalyze ntau yam organic tshua.
Kev npaj cov ntaub ntawv ceramic: Sodium tetrahydroaluminate tuaj yeem siv los npaj qee yam khoom siv ceramic, xws li aluminium nitride ceramics.Thaum lub sijhawm npaj, sodium tetrahydroaluminate tuaj yeem ua cov khoom siv txhuas thiab cuam tshuam nrog lwm cov ntaub ntawv raw los tsim cov khoom siv ceramic.
Daim ntawv thov nyob rau hauv daim teb ntawm lub zog cia
Nrog rau kev txhim kho txuas ntxiv ntawm hydrogen zog thev naus laus zis, daim ntawv thov ntawm sodium tetrahydroaluminate hauv thaj chaw ntawm lub zog cia tseem tau txais kev saib xyuas ntxiv. Ntxiv nrog rau kev siv los ua cov khoom siv hydrogen, sodium tetrahydroaluminate kuj tseem siv tau rau hauv cov chaw hauv qab no: sodium tetrahydroaluminate tuaj yeem ua cov khoom siv hydrogen rau cov roj hlwb, muab cov roj hydrogen txuas ntxiv.
Los ntawm kev koom ua ke nrog cov roj hlwb, sodium tetrahydroaluminate tuaj yeem ua tiav lub zog hloov pauv thiab huv si thiab khaws cia.
Portable zog cov cuab yeej: Lub peev xwm hydrogen siab thiab thim rov qab hydrogen cia kev ua tau zoo ntawm sodium tetrahydroaluminate ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov khoom siv hluav taws xob portable. Piv txwv li, hauv kev tshawb nrhiav sab nraum zoov, kev ua tub rog, thiab lwm yam xwm txheej, sodium tetrahydroaluminate tuaj yeem siv los ua lub tshuab hluav taws xob hydrogen portable los muab kev txhawb zog rau cov khoom siv hluav taws xob.
Cov ntaub ntawv tshwj xeeb ntawm sodium aluminium hydride hauv organic synthesis
Synthesis of pharmaceutical intermediates: Thaum npaj qee cov tshuaj intermediates, nws yog ib qho tsim nyog yuav tsum siv cov khoom txo qis ntawm sodium tetrahydroaluminate kom txo cov carboxylic acid esters rau alcohols.Piv txwv li, nyob rau hauv cov synthesis ntawm ib yam tshuaj tua kab mob, sodium tetrahydroaluminate yuav txo tau carboxylic acid methyl ester rau methanol muaj nuj nqi.
Tag nrho cov synthesis ntawm cov khoom ntuj tsim: Sodium tetrahydroaluminate feem ntau yog siv los txo cov tshuaj tiv thaiv ntawm cov kauj ruam tseem ceeb hauv tag nrho cov khoom siv ntuj tsim.Piv txwv li, nyob rau hauv kev sib txuas ntawm cov khoom siv roj ntsha, sodium tetrahydroaluminate tuaj yeem txo cov pawg aldehyde rau pawg cawv, yog li ua tiav kev tsim kho ntawm lub hom phiaj molecule.
Synthesis ntawm cov ntaub ntawv polymer: Sodium tetrahydroaluminate kuj tuaj yeem siv rau hauv kev sib xyaw ntawm cov ntaub ntawv polymer, xws li txo cov polyester.
Los ntawm kev txo cov nyhuv ntawm sodium tetrahydroaluminate, ester bonds hauv polyester tuaj yeem txo qis rau cov cawv cawv, yog li hloov cov khoom thiab kev siv ntawm cov ntaub ntawv polymer.
Kev phiv tshuaj
Sodium aluminium hydride(NaAlH ₄) yog lub zog txo tus neeg sawv cev nrog kev siv dav hauv cov organic synthesis, cov ntaub ntawv tshawb fawb, thiab lub zog cia. Txawm li cas los xij, vim nws cov khoom siv tshuaj nquag, sodium tetrahydroaluminate tuaj yeem ua rau muaj kev cuam tshuam tsis zoo thaum siv, ua rau muaj kev hem thawj rau tib neeg kev noj qab haus huv thiab ib puag ncig kev nyab xeeb. Cov hauv qab no yuav piav qhia txog nws cov kev tsis zoo thiab kev tiv thaiv:
Kev phiv tshuaj rau tib neeg lub cev
Kev sib cuag ncaj qha: Sodium tetrahydroaluminate muaj qhov ua kom khaus khaus ntawm daim tawv nqaij thiab qhov muag. Kev sib cuag ntawm daim tawv nqaij ncaj qha nrog sodium tetrahydroaluminate yuav ua rau kub hnyiab, tshwm sim liab, o, mob, hlwv, thiab lwm yam tsos mob. Kev sib cuag ntawm qhov muag yuav ua rau qhov muag puas tsuaj loj, nrog rau qhov mob, tsim kua muag, qhov muag tsis pom kev, thiab lwm yam.
Kev tiv thaiv kev tiv thaiv: Thaum siv sodium tetrahydroaluminate, cov hnab looj tes tiv thaiv, cov khaub ncaws tiv thaiv, thiab tsom iav yuav tsum hnav kom tsis txhob ncaj qha ntawm daim tawv nqaij thiab qhov muag. Yog tias kov yuam kev, yaug tam sim nrog dej ntau thiab nrhiav kev kho mob sai.
Ua pa ua pa
Kev pheej hmoo ntawm kev nqus pa: Sodium tetrahydroaluminate plua plav lossis pa nqus pa yuav ua rau khaus khaus ua pa, ua rau cov tsos mob xws li hnoos, ua tsis taus pa, mob taub hau, thiab xeev siab. Lub sij hawm ntev los yog kev nqus pa siab tuaj yeem ua rau muaj kab mob ua pa hnyav dua.
Kev tiv thaiv kev tiv thaiv: Thaum lub sijhawm ua haujlwm, kev ua pa zoo yuav tsum tau khaws cia, lub ntsej muag plua plav lossis lub tshuab ua pa yuav tsum hnav, thiab kev nqus ntawm sodium tetrahydroaluminate plua plav lossis pa luam yeeb yuav tsum zam.
Kev raug mob ntawm plab hnyuv
Kev pheej hmoo ntawm kev noj tshuaj tsis raug: Sodium tetrahydroaluminate yog corrosive thiab tuaj yeem ua rau mob plab tom qab noj mov, tshwm sim los ntawm qhov mob, yaig, los ntshav, thiab lwm yam tsos mob hauv lub qhov ncauj, txoj hlab pas, plab, thiab lwm qhov chaw. Hauv cov xwm txheej hnyav, nws tuaj yeem ua rau poob siab, coma, lossis tuag taus.
Kev ntsuas kub ceev: Yog tias sodium tetrahydroaluminate tau noj tsis raug, yaug koj lub qhov ncauj tam sim ntawd, tsis txhob ntuav ntuav, thiab nrhiav kev kho mob sai li sai tau. Thaum nrhiav kev kho mob, tus kws kho mob yuav tsum tau ceeb toom ntawm lub npe thiab tus nqi ntawm cov tshuaj uas tau noj, txhawm rau txhawm rau ntsuas kev kho mob.
Systemic toxicity
Lub sij hawm ntev raug: Kev raug sodium tetrahydroaluminate plua plav los yog haus luam yeeb ntev yuav muaj kev cuam tshuam rau kev noj qab haus huv tag nrho, suav nrog kev cuam tshuam rau lub paj hlwb, kev tiv thaiv kab mob, thiab lwm yam. Txawm hais tias tam sim no muaj kev tshawb fawb tsis txaus ntawm kev ua rau lub cev tsis zoo ntawm lub sij hawm ntev - raug rau sodium tetrahydroaluminate, nws yuav tsum tau saib xyuas txaus.
Kev saib xyuas kev noj qab haus huv: Rau cov neeg ua haujlwm uas tau ntev - lub sij hawm raug sodium tetrahydroaluminate, yuav tsum tau kuaj xyuas kev noj qab haus huv tsis tu ncua, suav nrog kev kuaj ntshav, lub siab ua haujlwm, lub raum ua haujlwm thiab lwm yam ntsuas, nrog rau kev soj ntsuam ntawm lub paj hlwb.
Kev tsis zoo rau ib puag ncig
Cov tshuaj tiv thaiv dej: Sodium tetrahydroaluminate reacts hnyav nrog dej, tso cov pa hluav taws xob (hydrogen) thiab tuaj yeem tsim cov precipitates xws li txhuas hydroxide. Cov khoom siv tshuaj tiv thaiv no tuaj yeem ua rau muaj kuab paug rau lub cev dej, cuam tshuam rau cov dej zoo thiab muaj sia nyob ntawm cov kab mob hauv dej.
Kev tiv thaiv ib puag ncig: Thaum siv thiab khaws cia sodium tetrahydroaluminate, kev sib cuag nrog dej yuav tsum nruj me ntsis zam. Yog tias muaj kev sib tsoo lossis kev sib tsoo tshwm sim, yuav tsum tau ntsuas tam sim kom tsis txhob nkag mus rau hauv lub cev dej, xws li npog cov khoom xau nrog cov xuab zeb lossis lwm yam khoom siv uas tsis tuaj yeem tawg thiab khaws thiab kho.
huab cua paug
combustion thiab tawg: Sodium tetrahydroaluminate yog flammable thiab tawg, thiab tej zaum yuav ignite los yog tawg thaum raug qhib nplaim taws, kub kub, los yog nyob rau hauv kev sib cuag nrog oxidants. Cov pa phem thiab cov pa luam yeeb tuaj yeem tsim tawm thaum lub sij hawm combustion, ua rau muaj kuab paug rau cov huab cua puag ncig.
Kev ua haujlwm nyab xeeb: Thaum siv sodium tetrahydroaluminate, nws yog ib qho tsim nyog yuav tsum ua raws li cov txheej txheem kev nyab xeeb thiab nyob deb ntawm qhov hluav taws kub, qhov chaw kub, thiab oxidants. Yog hais tias muaj hluav taws kub los yog tawg tshwm sim tshwm sim, tam sim ntawd qhia rau tub ceev xwm thiab coj kev ntsuas los tswj qhov hluav taws kub thiab tiv thaiv kom txhob kis tau tus kab mob.
av paug
Cov dej xau thiab pov tseg: Yog tias sodium tetrahydroaluminate leaks thiab tsis kho sai thiab zoo, nws yuav nkag mus rau hauv av thiab ua rau muaj kuab paug. Cov av muaj kuab paug tuaj yeem cuam tshuam cov av fertility thiab cog kev loj hlob, thiab tseem ua rau muaj kev hem thawj rau tib neeg kev noj qab haus huv los ntawm cov khoom noj khoom haus.
Kev kho av: Rau cov av uas muaj cov tshuaj sodium tetrahydroaluminate, yuav tsum tau siv cov kev kho kom tsim nyog, xws li kev khawb, tshem tawm, bioremediation, thiab lwm yam., kom txo cov concentration ntawm cov pa phem hauv av thiab rov ua kom cov av ua haujlwm.
Kev tiv thaiv kev tiv thaiv tsis zoo ntawm sodium aluminium hydride
Txhim khu kev kawm kev nyab xeeb
Cov neeg ua haujlwm cob qhia: Muab kev cob qhia rau cov neeg ua haujlwm uas siv sodium tetrahydroaluminate kom nkag siab txog nws cov khoom, kev phom sij, thiab kev tiv thaiv. Cov ntsiab lus ntawm kev cob qhia yuav tsum suav nrog cov txheej txheem kev nyab xeeb, kev ntsuas thaum muaj xwm txheej ceev, thiab lwm yam.
Txhim khu kev paub txog kev nyab xeeb: Los ntawm kev kawm txog kev nyab xeeb, txhawb kev paub txog kev nyab xeeb ntawm cov neeg ua haujlwm, ua kom lawv paub txog cov kev phom sij ntawm sodium tetrahydroaluminate, thiab ua tib zoo ua raws li cov cai tswj kev nyab xeeb.
Txhim kho qhov chaw nyab xeeb
Muab cov khoom siv tiv thaiv: Muab cov neeg ua haujlwm nrog cov khoom siv tiv thaiv tsim nyog xws li cov hnab looj tes tiv thaiv, cov khaub ncaws tiv thaiv, lub qhov muag qhov muag, lub qhov ncauj qhov ntswg, thiab lwm yam. Ua kom cov khoom tiv thaiv zoo raws li cov qauv thiab hloov tsis tu ncua.
Teeb tsa cov cim ceeb toom kev nyab xeeb: teeb tsa cov cim ceeb toom kev nyab xeeb hauv qhov chaw cia thiab siv thaj chaw ntawm sodium tetrahydroaluminate kom ceeb toom cov neeg ua haujlwm kom xyuam xim rau kev nyab xeeb thiab ua raws li cov kev cai cuam tshuam.
Kev ruaj khov thiab kev tswj xyuas nruj
Cia tej yam kev mob: Sodium tetrahydroaluminate yuav tsum tau muab cia rau hauv ib tug kaw, txias, thiab qhuav ib puag ncig, deb ntawm hluav taws kub, tshav kub qhov chaw, thiab oxidants. Lub chaw cia khoom yuav tsum muaj qhov cua zoo thiab muaj hluav taws kub - cov khoom siv tua.
Kev ntsuas kev tswj hwm: Tsim kom muaj kev tswj hwm nruj rau sodium tetrahydroaluminate, nrog rau kev tswj xyuas cov cai rau kev yuav khoom, kev lees paub, kev cia khoom, kev siv, thiab pov tseg. Tsis tu ncua tshuaj xyuas thiab tswj cov sodium tetrahydroaluminate khaws cia kom ntseeg tau tias nws nyob hauv qhov zoo.
Tsim cov phiaj xwm xwm txheej ceev
Kev ntsuas kev ceeb toom thaum muaj xwm txheej ceev: Tsim cov phiaj xwm xwm txheej ceev rau cov xwm txheej xws li sodium tetrahydroaluminate leaks, hluav taws kub, tawg, thiab lwm yam., qhia meej txog cov txheej txheem teb thaum muaj xwm txheej ceev thiab faib cov dej num. Cov phiaj xwm xwm txheej kub ntxhov yuav tsum suav nrog kev khiav tawm ntawm cov neeg ua haujlwm, tua hluav taws, tswj kev xau, kev kho mob, thiab lwm yam ntsiab lus.
Kev xyaum thaum muaj xwm txheej ceev: Tsis tu ncua kev cob qhia thaum muaj xwm txheej ceev los txhim kho cov lus teb thaum muaj xwm txheej ceev thiab kev sib koom tes ntawm cov neeg ua haujlwm. Tom qab kev xyaum ua haujlwm, qhov kev xyaum ua haujlwm yuav tsum raug soj ntsuam thiab sau cov ntsiab lus, thiab cov phiaj xwm xwm txheej ceev yuav tsum tau txhim kho tas li.
Cov lus nug nquag
Vim li cas thiaj siv lub tshuab tua hluav taws carbon dioxide kom txuag tau los ntawm kev ntes hluav taws ntxiv roj rau hluav taws?
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Qhov no yog nws qhov kev tua hluav taws tshaj plaws - ntawm qhov kub thiab txias, NaAlH ₄ yuav txo CO ₂ rau methane thiab ethane, ob qho tib si yog cov nplaim hluav taws kub / tawg. Ntawm qhov kub siab, NaAlH ₄ yuav txo cov pa roj carbon dioxide lossis sodium bicarbonate rau methane thiab ethane. Thaum siv CO ₂ cov tshuaj tua hluav taws hauv hydride hluav taws, cov pa roj no dhau los ua cov khoom tawg. "Qhov no txhais tau hais tias kev txau CO ₂ mus rau qhov kub hnyiab NaAlH ₄ tsis tsuas yog ua tsis tau cov nplaim taws, tab sis kuj ua rau "siv" roj rau hauv hluav taws.
Dab tsi 'invisible explosion risk' yog muab zais rau hauv nws cov synthesis industrial?
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Cov catalyst NaAlH ₂ (C ₂ H ₅) ₂ (sodium diethylaluminum hydride) siv nyob rau hauv cov txheej txheem synthesis tuaj yeem tsim cov khoom tawg nrog toluene hnyav nyob rau hauv tej yam kev mob. Lub toluene slurry rau kev lag luam synthesis ntawm NaAlH ₄ muaj kwv yees li 0.01-0.1 wt% sodium diethylaluminum hydride ua catalyst. Cov khoom no tsim cov khoom tawg nrog ether solvents ntawm qhov kub thiab txias. Ib qho kev tshwm sim tawg tau tshwm sim hauv xyoo 1961 thaum lub sijhawm npaj ntawm NaAlH ₄ siv tetrahydrofuran ua qhov nruab nrab.
Vim li cas nws thiaj li hloov tau los ntawm "cov khoom siv phom sij" mus rau "automotive roj"? --Ntxiv me ntsis titanium tuaj yeem 'tame' nws
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Tom qab doping nrog cov lej ntawm titanium (Ti), hydrogen evolution kub ntawm NaAlH ₄ tuaj yeem txo qis dua 200℃C mus txog 33℃C (ze rau chav tsev kub), thiab rov qab hydrogen nqus thiab desorption tuaj yeem ua tiav. Qhov kev tshawb pom tshwm sim thaum pib ntawm lub xyoo pua no tau hloov pauv tag nrho nws qhov chaw - yav dhau los NaAlH ₄ tau suav tias yog "irreversible" hydride. Tom qab doping nrog titanium ntsev xws li TiCl3, nws tuaj yeem khaws hydrogen reversibly nyob rau hauv qhov kub ntawm 120-150℃C, nrog rau hydrogen cia muaj peev xwm txog li 4-5 wt%. Qhov kev tshawb pom no ua rau nws yog ib qho khoom sib tw rau on-board hydrogen cia xov xwm hauv proton exchange membrane roj hlwb (PEMFC).
Cim npe nrov: sodium aluminium hydride cas 13770-96-2, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom