Tekanyetso ea National Bakeng sa Boikemisetso ba Li-Sulphideo tsa Letshoeng ba Lipereishene tsa Devydine Ho China

Tekanyetso ena e lekana le mokhatlo oa machaba oa tekanyetso (Iso) 5567-1982 "Boikemisetso ba Sulphid Letshole li Leholo tsa Litsela tsa Mafunyane".

Kakaretso ea Mohato

Mohlala ona o kolobisitsoe ka metsing, Ethanol o eketsoe, oa ho kopanya metsoako ea nitric a ngotsoe ke likarolo tsa silevera tse fumanehang ho tsoa ho tšebeliso ea koloi ea silevera.

2 reagents

2.1 nitric acid (gregity e itseng 1.42)
2.2 ethanol 95% (v / v)
2.3 Ho na le li-parafinin
2.4 nitric acid 10% (v / v)
2.5 Ammonium hydroxide 10% (v / v)
2.6 0 0 0,1000mol / 0 0 0.1000mol tharollo ea silevera, mokhoa oa ho hlophisa
2.7 0 0,1000mol / L Ammosium ThioCoCaninate Logen, e boima ba Ammony Thuocayate 8G e qhibiliha metsing a 14. Lipuo tsa Calibration GB 601-1977 "Kameho ea Tlhahlobo ea Tlhahlobo ea Tlhahlobo ea Tlhahlobo ea Tlhahlobo ea Tlhahlobo ea Tlhahlobo ea thuto ea lik'hemik'hale
2.8 Amonium ammonium sulfate e sulfate ea sesupo sa sesupo, tharollo.

3 sesebelisoa

Nakong ea ho hlahlojoa, haholo-holo lisebelisoa tsa ho khetholloa ho lokela ho qojoa ka ho ikopanya le koporo kapa lihlahisoa tsa rabara, lisebelisoa tsa ho seha li-clasena tsa methapo.
3.1 lisebelisoa tsa ho qhalana (bona setšoantšo) ke li-flackk tse halikiloeng, tse khonang ho sebelisoa ka stopper, le khalase ea gooseneck.
3.2 250 ML e sa tsoakoang ka tatellano ea li-coflys, e khonang ho sebelisoa mabapi le khokahano ea theko ea Reflux.
3.3 Bapala ea metsi a futhumatsang ea metsi, a khonang ho laola mocheso ho 37 ° C.
3.4 g2 kapa g3 gerner khalase ea khalase ea g3.
3.5 PUP PUP kapa pompo ea metsi.
Pampiri ea 3.6 Pholotlhobo ea tlhahlobo, e khona ho bontša ho PH = 7 ± 0.1. Setsi sa Sekoti sa SULFURIL TRULFUR.

Litšitiso tse 4 tsa tlhahlobo

4.1 Phahameng ea mohlala
Li-flakes tsa konofolo tse nang le mafura li ile tsa etsoa ka likaroloana tse tšoanang ebe li sa lumele, li-granules tsa koetliso, le phofo ea konofolo e ne e nkha ka kotloloho.
4.2 Sumpole ea mohlala
Sekhahla sa 10g sampole ea 10g, ka nepo ho 0,01g.
4.3 Boikemisetso
4.3.1 e i behe
Beha mohlala o boima ho folakha (3.1) ka metsi a 100 a Cerpper ka bateng ea metsi a tlase (3.3) .
4.3.2 distillation
Kamora ho eketsa 20ml ea ethanol (2.2) le 2ml of a amminium hydroxide ( 3.2) E le hore setsi se ka tlase sa khokahano se kenelletse tharollo ea Ammosium hydroxide
La Heat The Flask (3.1) Ho emisa ho khetholla kamora ho fumana 60 ml ea li-villate, hlatsoa khoele ka metsi, 'me u bokelle ho hlatsoa litšila.
Mocheso o lokela ho laoloa nakong ea distillation ho qoba ho beoa ha li-bubble tsa khase le ho lumella sekhahla se nepahetseng sa distillation hore se fumanehe.
4.3.3 Karolineng
Nyaha ka mokhoa o khelohileng Ka nepo eketsa ka nepo 20,00 ml ea tharollo ea silevera ea silevera Phello (a) e kolobisitsoe ka mocheso oa kamore mme e hloekisitsoe ka ho pompol ka sekepe sa khalase, (3.5) le pompo ea metsi (3) le ho hlatsoa le ho hlatsoa le ho hlatsoa ) li ne li bokelloa. Kenya 5 ML ea nitric acid (2.1) le marotholi a 'maloa a ammonium sulphate le boima ba 0,8) ho fihlela tharollo e bobebe Brown-e khubelu 'me u e boloke bakeng sa 0.5 min.

Palo ea 5 ea liphetho

Mokhoa oa ho bala ka 51
Likhatiso tsa metsoako e sa sebetseng hantle koana le konofolo e nang le litšila tse hlahisitsoeng e le liperesente tse ntle tse fanoeng ke foromo e latelang: McVCX000.0) 20 (21] 20
Moo: x - Peresente e nang le metsoako e sa sebetseng e tsoa metsoako e litšila ho konofolo e nang le metsi e nang le metsi,%;
C1 - shebisiso ea tharollo ea silevera ea silevera ea silevera (2.6), Mol / L;
C2 - Ts'usumetso ea Ammonium ThioCoCanita Tekanyetso ea Tekanyetso (2.7), Mol / L;
V - Boholo ba Ammonium ThioCayete maemo a tloaelehileng a ammonium Thiocayate ona a jeoang, 1l;
0.057 - Ligrama tsa Burn
m - boima ba mofuta ona. Liphetho tse fumanoeng li tla hlahisoa libakeng tse peli tsa qubu.
5.2 Ho nepahala ha mokhoa
Bakeng sa setsebi se tšoanang, phapang pakeng tsa lipheo tse latellanang ha lia lokela ho feta liperesente tse 5 tsa boleng ba bona ba bohlokoa, ho seng joalo pheta boikemisetso.
5.3 Tlaleho ea liteko
Etsa hore asithmetic e bolele hore lintho tse peli ka lebaka le tsona.

Moroetsana:

Tekanyetso ena e khothalletsoa ke boratau ba Rephabliki ea People of China.
Tekanyetso ena e ikarabella bakeng sa ho ngola ke ho ngola ke toropo ea lijo tsa lijo tsa lijo tsa mantsiboea.
Tšoantšiso ea bohlokoa ea Lenaneo lena la Shen Bin Bin, Liu Zhenfang, Li Weidown ho Jiuzhen.
Lekala la Khoebo ea People of China 1988-02-29 Kenya ts'ebetsong ea 1988-07-01.