OEM / ODM Factory China 60t Lab Manual Hydraulic Press Machine

OEM / ODM Factory China 60t Lab Manual Hydraulic Press Machine

Kaabo, wa lati kan si awọn ọja wa!

OEM / ODM Factory China 60t Lab Manual Hydraulic Press Machine

Orukọ Gẹẹsi: Sodium Bromide

Awọn orukọ miiran: Sodium Bromide, Bromide, NaBr

Ilana kemikali: NaBr

Iwọn Molikula: 102.89

CAS nọmba: 7647-15-6

EINECS nọmba: 231-599-9

Omi Solubility: 121g/100ml/(100), 90.5g/100ml (20) [3]

S koodu: 2827510000

Akoonu akọkọ: 45% omi; 98-99% ri to

Irisi: White gara lulú


Alaye ọja

ọja Tags

Wa de ti wa ni commonly mọ ati ki o gbẹkẹle nipa awọn onibara ati ki o le ni itẹlọrun continuously sese aje ati awujo aini fun OEM / ODM Factory China 60t Lab Afowoyi Hydraulic Tẹ Machine, A ẹri ti o dara didara, ti o ba ti awọn onibara won ko inu didun pẹlu awọn ọja 'dara didara, o le pada si inu ti 7days pẹlu wọn atilẹba ipinle.
Awọn ẹru wa jẹ idanimọ ti o wọpọ ati igbẹkẹle nipasẹ awọn alabara ati pe o le ni itẹlọrun nigbagbogbo idagbasoke eto-ọrọ aje ati awọn iwulo awujọ funChina Hydraulic Tẹ Machine, Afowoyi Tẹ Machine, Bayi a ni iriri ọpọlọpọ ọdun ni iṣelọpọ ọja irun, ati pe egbe QC wa ti o muna ati awọn oṣiṣẹ oye yoo rii daju pe a fun ọ ni awọn ohun elo irun oke pẹlu didara irun ti o dara julọ ati iṣẹ-ṣiṣe. Iwọ yoo gba iṣowo aṣeyọri ti o ba yan lati ṣe ifowosowopo pẹlu iru olupese alamọdaju kan. Kaabo ifowosowopo ibere rẹ!

Ifihan ile ibi ise

Iru Iṣowo: Olupese/Ile-iṣẹ & Ile-iṣẹ Iṣowo
Ọja akọkọ: magnẹsia kiloraidi kalisiomu kiloraidi, Barium kiloraidi,
Iṣuu soda Metabisulphite, iṣuu soda bicarbonate
Nọmba awọn oṣiṣẹ: 150
Ọdun ti iṣeto: 2006
Ijẹrisi Eto Iṣakoso: ISO 9001
Ipo: Shandong, China (Ile-ilẹ)

Alaye ipilẹ

Ti ara ati kemikali ohun ini

Ti ara Properties
1) Awọn ohun-ini: Kirisita onigun ti ko ni awọ tabi funfun granular powder.O jẹ odorless, iyọ ati kikoro die-die.
2) iwuwo (g/ml, 25 ° C): 3.203;
3) Oju Iyọ (℃): 755;
4) Oju omi farabale (° C, titẹ oju aye): 1390;
5) Atọka itọka: 1.6412;
6) Filasi ojuami (° C): 1390
7) Solubility: o ni irọrun tiotuka ninu omi (solubility jẹ 90.5g / 100ml omi ni 20 ° C, solubility jẹ 121g / 100ml omi ni 100 ° C), ojutu olomi jẹ didoju ati conductive.Slightly soluble in alcohol, soluble in acetonitrile, acetic acid.
8) Ipa oru (806 ° C): 1mmHg.
Awọn ohun-ini kemikali
1) Awọn kirisita iṣuu soda bromide anhydrous ṣafẹri ninu ojutu iṣuu soda bromide ni 51℃, ati dihydrate ti wa ni akoso nigbati iwọn otutu ba dinku ju 51℃.
NaBr + 2 h2o = NaBr · 2 H2O
2) Sodium bromide le paarọ rẹ nipasẹ gaasi chlorine lati fun bromine.
2Br-+Cl2=Br2+2Cl-
3) Sodium bromide ṣe atunṣe pẹlu sulfuric acid ti o ni idojukọ lati ṣe ipilẹṣẹ bromine, eyini ni, labẹ iṣẹ ti oxidizing acid lagbara, iṣuu soda bromide le jẹ oxidized ati ofe lati bromine.
2NaBr+3H2SO4 (ti a kojọpọ) =2NaHSO4+Br2+SO2↑+2H2O
4) Sodium bromide le fesi pẹlu dilute sulfuric acid lati gbejade hydrogen bromide.
NaBr+H2SO4=HBr+NaHSO4
5) Ni ojutu olomi, iṣuu soda bromide le fesi pẹlu awọn ions fadaka lati ṣe ina ofeefee bromide fadaka to lagbara.
Br – + Ag + = AgBr osi
6) Electrolysis ti iṣuu soda bromide ni ipo didà lati ṣe ina gaasi bromine ati irin iṣuu soda.
2 agbara nabr = 2 na + Br2
7) Sodium bromide aqueous ojutu le ṣe ina iṣuu soda bromate ati hydrogen nipasẹ electrolysis.
NaBr + 3H2O= electrolytic NaBrO3 + 3H2↑
8) Awọn aati Organic le waye, gẹgẹbi iṣesi akọkọ lati ṣe bromoethane:
NaBr + – H2SO4 + CH2CH2OH ⇌ NaHSO4 + CH3CH2Br + H2O

Awọn alaye ọja

Awọn ọna Igbaradi

1) Ọna ile-iṣẹ
Bromine ti o pọ ju ni a fi kun taara si ojutu gbigbona iṣuu soda hydroxide ti o kun lati ṣe agbekalẹ adalu bromide ati bromate:
3Br2+6NaOH=5NaBr+NaBrO3+3H2O
Apopọ naa ti yọ kuro lati gbẹ, ati pe iyọkuro ti o lagbara ti a dapọ pẹlu toner ati kikan lati dinku bromate si bromide:
NaBrO3 = NaBr + 3 c + 3 àjọ kọ
Nikẹhin, a ti tu sinu omi, lẹhinna ti a yọ ati ki o di crystallized, o si gbẹ ni 110 si 130 iwọn Celsius.
* Ọna yii jẹ ọna gbogbogbo ti ngbaradi bromide nipasẹ bromine ati pe a lo ni gbogbogbo ni ile-iṣẹ.
2) Ọna aiṣedeede
Lo iṣuu soda bicarbonate bi ohun elo aise: tu iṣuu soda bicarbonate ninu omi, lẹhinna yomi rẹ pẹlu 35% -40% hydrobromide lati gba ojutu iṣuu soda bromide, eyiti a ti rọ ati tutu lati ṣaju iṣuu soda bromide dihydrate.Filter, tu dihydrate pẹlu iwọn kekere ti omi, ju omi bromine silẹ titi ti awọ bromine yoo fi han ni ojutu kan ti hydrogencolor kan, ojutu suquet de hydrogen. boil.Ni iwọn otutu ti o ga, crystallization anhydrous precipitates, ati lẹhin gbigbe, o ti gbe lọ si ẹrọ gbigbẹ ati ki o tọju ni 110 fun wakati 1. Lẹhinna o tutu sinu ẹrọ gbigbẹ pẹlu calcium bromide desiccant lati gba iṣuu soda bromide anhydrous (grade reagent).
Ilana idahun: HBr+ NAHCO ₃→NaBr+CO2↑+H2O
Pẹlu 40% omi alkali bi aise ohun elo: fi hydrobromide acid sinu lenu ikoko, labẹ ibakan saropo, laiyara fi 40% omi alkali ojutu, yomi si pH7.5 — 8.0, fesi lati gbe awọn soda bromide solution.The soda bromide ojutu ti a centrifuged ati filtered sinu dilute soda bromide ojutu ipamọ tank.Then sinu awọn interpomediate kan pato akoko-itumọ ibi ipamọ ojò. walẹ ti 1. 55 ° Be tabi bẹ, centrifugal filtration, filtration sinu ogidi sodium bromide olomi ipamọ tank.Then te sinu crystallization ojò, ni saropo itutu crystallization, ati ki o si awọn crystallization ti centrifugal Iyapa, awọn ti pari ọja.The iya oti ti wa ni pada si dilute sodium bromide omi ipamọ ojò.
Ilana idahun: HBr+NaOH→NaBr+H2O
3) Ọna idinku urea:
Ninu ojò alkali, omi onisuga ti wa ni tituka ni omi gbona ni iwọn otutu ti 50-60 °C, ati lẹhinna urea.
ti wa ni afikun lati tu 21 ° Jẹ ojutu. Lẹhinna sinu ikoko ifasilẹ idinku, laiyara nipasẹ bromine, ṣakoso iwọn otutu ti 75-85 ° C, si pH ti 6-7, eyini ni, lati de opin ti ifarabalẹ, da bromine duro ati igbiyanju, gba iṣuu soda bromide ojutu.
Ṣatunṣe pH si 2 pẹlu hydrobromic acid, ati lẹhinna ṣatunṣe pH si 6-7 pẹlu urea ati sodium hydroxide lati yọ bromate kuro.Olutu naa jẹ kikan si sise ati ojutu ti o kun fun barium bromide ti wa ni afikun ni pH6 - 7 lati yọ sulfate kuro.Ti iyọ barium ba pọ ju, dilute sulfuric acid le fi kun lẹhin ti o ti yọkuro awọn ohun elo ti a ko le ṣe lati yọkuro si awọn ohun elo ti a fi mu ṣiṣẹ. 4-6 wakati. Lẹhin ti ojutu ti ṣalaye, o ti wa ni filtered, evaporated ni titẹ oju aye, ati ohun elo agbedemeji ti kun ni igba pupọ. Duro ifunni fun awọn wakati 2 ṣaaju ki o to crystallization. Ṣatunṣe pH si 6-7 1 wakati ṣaaju ki o to crystallization. Sodium bromide ti yapa ati ki o gbẹ ni ẹrọ gbigbẹ rotari.
Ilana ti idahun: 3Br2+3Na2CO3+ NH2ConH2 = 6NaBr+4CO2↑+N2↑+2H2O

Awọn ohun elo

Aworan sisan ti Sodium Sulfite

1) Ti a lo fun itupalẹ itọpa ati ipinnu tellurium ati niobium ati igbaradi ti ojutu idagbasoke, tun lo bi aṣoju idinku;
2) Ti a lo bi amuduro okun ti eniyan ṣe, oluranlowo bleaching fabric, olupilẹṣẹ aworan, dyeing ati bleaching deoxidizer, adun ati aṣoju idinku dye, yiyọ lignin iwe, abbl.
3) Ti a lo bi reagent analitikali ti o wọpọ ati ohun elo resistor photosensitive;
4) Aṣoju bleaching idinku, eyiti o ni ipa bleaching lori ounjẹ ati ipa idilọwọ ti o lagbara lori oxidase ni ounjẹ ọgbin.
5) Titẹjade ati ile-iṣẹ dyeing bi deoxidizer ati Bilisi, ti a lo ninu sise ti awọn oriṣiriṣi awọn aṣọ owu, le ṣe idiwọ oxidation agbegbe ti okun owu ati ki o ni ipa lori okun okun, ki o si mu funfun ti ohun elo sise.Ile-iṣẹ fọtoyiya nlo o bi oludasile.
6) Ti a lo nipasẹ ile-iṣẹ asọ bi imuduro fun awọn okun ti eniyan ṣe.
7) Ile-iṣẹ ẹrọ itanna ti lo lati ṣe awọn resistors photosensitive.
8) Ile-iṣẹ itọju omi fun omi idọti elekitiro, itọju omi mimu;
9) Ti a lo bi bleach, preservative, loosening agent and antioxidant in food industry.It is also used in the pharmaceutical synthesis and as a atehinwa oluranlowo ni isejade ti dehydrated ẹfọ.
10) Ti a lo fun iṣelọpọ cellulose sulfite ester, sodium thiosulfate, awọn kemikali Organic, awọn aṣọ bleached, bbl, tun lo bi oluranlowo idinku, preservative, oluranlowo dechlorination, ati bẹbẹ lọ;
11) Awọn yàrá ti wa ni lo lati pese imi-ọjọ oloro

Awọn ọja okeere akọkọ

Iṣakojọpọ

Owo sisan & Sowo

Awọn anfani Idije akọkọ

Gbigbe ibi ipamọ

Wa de ti wa ni commonly mọ ati ki o gbẹkẹle nipa awọn onibara ati ki o le ni itẹlọrun continuously sese aje ati awujo aini fun OEM / ODM Factory China 60t Lab Afowoyi Hydraulic Tẹ Machine, A ẹri ti o dara didara, ti o ba ti awọn onibara won ko inu didun pẹlu awọn ọja 'dara didara, o le pada si inu ti 7days pẹlu wọn atilẹba ipinle.
OEM / ODM FactoryChina Hydraulic Tẹ Machine, Afowoyi Tẹ Machine, Bayi a ni iriri ọpọlọpọ ọdun ni iṣelọpọ ọja irun, ati pe egbe QC wa ti o muna ati awọn oṣiṣẹ oye yoo rii daju pe a fun ọ ni awọn ohun elo irun oke pẹlu didara irun ti o dara julọ ati iṣẹ-ṣiṣe. Iwọ yoo gba iṣowo aṣeyọri ti o ba yan lati ṣe ifowosowopo pẹlu iru olupese alamọdaju kan. Kaabo ifowosowopo ibere rẹ!

  • Iṣuu soda Bromide
  • Iṣuu soda Bromide

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