labaru

1. Hanyar sha:
Sha gas mai iskar gas mai kyau tare da alkali sulfide na alkali sulfide (ko caustic sost bayani). Saboda gas hydrogen sulfde mai guba ne, da sha ya kamata a aiwatar da shi a ƙarƙashin matsanancin matsi. Don hana babban gurbataccen iska ta hanyar hayafa sulfide a cikin gas mai ƙarfi, da yawa ana sarrafa abun ciki da yawa a cikin samarwa, da kuma abun ciki na sulfiyar sulfide an rage zuwa matakin ƙarami bayan maimaita sha. An mayar da ruwa na sha don samun sodium hydrosulfide. Tsarin sunadarai:
H2s + Naho → Nahs + H2O
H2s + na2s → 2nah

2. Sodium Alkoxide yana ba da amsa tare da bushe hydrogen sulfide don shirya sodium hydrosulfode:
A cikin 150ml Flask tare da wani nau'in reshe, ƙara 20ml na freshly distanol da 2g na gwal a kan flask, kuma rufe reshe reshe da farko. Lokacin da sodium Alkoxide yana precipipated, ƙara kimanin 40 ml na cikakken ethanol a cikin batches har sai kayan sodium Alkoxide ya rushe.
Saka bututun gilashi madaidaiciya cikin kasan mafita ta hanyar reshe na reshe mai tushe (lura da cewa babu iska da zai iya shigar da flask a cikin murfin reshe na reshe na reshe. Satrate mafita. Maganin da aka samu ya lalace don cire hazo. An kara da filtrate a bushe filaye na consk, da 50 ml na cikakken ether, kuma adadi mai yawa na Nahs fari ne nan da nan. A total kusan 110 ml na ether ana buƙata. An wanke shi da sauri da sauri, wanke sau 2 sau tare da cikakken ether, kuma an bushe bushe, kuma sanya shi a cikin wani wuri mara rai. Tsarkin samfurin na iya kaiwa ga tsarkake na nazari. Idan ana buƙatar girma ahs, ana iya narkar da shi a ethanol kuma ana sake yin amfani da shi da ether.

3.Saidium hydrosulfofide ruwa:
Narke sodium sulfide a cikin ruwan sha mai shaƙewa, sannan tsarma zuwa 13% na2% na2% (w / v) bayani. 14 g na sodium bicarbonate an kara a cikin bayani da sama (100 ml) tare da motsawa da ƙasa da 20 ° C, nan da nan narkewa da exothermic. Bayan 2 ml na methanol da aka kara tare da motsawa da ƙasa da 20 ° C. A wannan gaba da cuphothem ya sake zama da kuma kusan dukkanin cystalline crystalline cirbonate precipitated fitar nan da nan. Bayan 0 da minti, an wanke cakuda da tsotsa da ragowar an wanke shi da methanol (50 ml) a cikin rabo. Filter dauke da kasa da 9 g na sodium hydrosulfode kuma ba fiye da 0.6 cikin dari na kwasfa sodium. A maida hankali ne daga cikin biyun suna da kusan 3,5 grams da 0.2 grams da 100 ml na bayani 100 ml na bayani, bi da bi.

Yawancin lokaci muna shirya ta ta hanyar sha hydrogen sulfide tare da maganin sodium hydroxide. Lokacin da abun ciki (kashi biyu na sodium hydrosulfide) shine 70%, yana da dirkrate kuma yana cikin flakes; Idan abin da ke ciki ya ƙasa, samfurin ruwa ne, uku ne radius.