Arịgookwu National maka mkpebi siri ike nke sulphide sọọsọ na Garlic na China

Standardlọ ọkọlọtọ a dị na nzukọ mba ụwa maka 5567-1982 "mkpebi siri ike nke sọlfọ na-egbu egbu".

1 nchịkọta nke usoro

A na-etinye ihe nlere ahụ tinye ya na mmiri, a na-agbakwunye ethanol, ogige ahụ na-agbanwe agbanwe na-agbakọ site na ihe dị omimi, na ọdịnaya nke ihe ọ bụla na-agbanwe agbanwe na-agbakọ site na oriri nke ngwọta nitrate nitrate nitrath ngwọta nitrate nitrate nitrate Nitth Ngwọta Nitit.

2 reagents

2.1 nitric acid (ihe ngosi di iche iche 1.42)
2.2 ethanol 95% (v / v)
2.3 mmiri mmiri paraffin
2.4 nitric acid 10% (v / v)
2.5 ammonium hydroxide 10% (v / v)
2.6 0.1000mol Nitth Nillchọpụta, nkwadebe na usoro dị mma dịka GB 601-1977 "kemịkalụ usoro nkwadebe" ọrụ.
2.7 0.1000mol / l ammocy thiocyanate ọkọlọtọ, na-atụ aro ammocyate 8G ka etisasịwo na mmiri 1. Usoro ịma ọkwa GB 601-1977 "Chemical Rankzọ Ntọala Nkwadebe Ntọala Nkwadebe" na sodium thiocyanation usoro.
2.8 ferric ammonium sulfate na-egosi ihe ngwọta, mejupụtara ngwọta.

3 Ngwongwo

N'oge nyocha, karịsịa aro nke nwere ọla kọpa ma ọ bụ ngwaahịa roba, aro dị iche iche bụ njikọ ihe na-eme ihe.
3.1 Akwukwo di iche iche (lee ihe osise) bu ihe eji eme ya na ebe a na-egbochi ya, ma na-eme ihe eji eme ya ma obu ihe eji eme ya.
3.2 250 ml ala na-ahụ maka flask flakes, nke nwere ike iji ya mee ihe na interplux conpeser.
3.3 mgbe niile mmiri ịsa ahụ mmiri, nke nwere ike ịchịkwa ọnọdụ okpomọkụ ruo 37 ± 1 Celsius C.
3.4 G2 ma ọ bụ G3 iko.
3,5 valluum mgbapụta ma ọ bụ mmiri.
3.6 p nke koodu nnwale, nke nwere ike igosi na ph = 7 ± 0.1. Na-eme ka sọlfọ dị egwu.

4 usoro nyocha

4.1 Samplerreament Aturement
A na-eme galik na galik na-egbu egbu mee ka ọ bụrụ ka ọ bụrụ nke a na-edokarị ya wee satpled, na-asachapụ garlic ntụ ntụ na galiki na galik galik.
4.2 Ogo nha
Tụọ ihe atụ 10g, zuru oke na 0.01g.
4.3 mkpebi siri ike
4.3.1 na-ete
Tinye ihe atụ ahụ dị na flask (3.1) na 100ml 40 nke 40 Celsius na mmiri ịsa ahụ (3.3) na okpomọkụ nke 37 ± 1 ± .
4.3.2 Distillation
Mgbe ị na-agbakwunye 20ml nke ethanol (2.2) na 2m nke paraffin (2.1) 3.2) Nke mere na oghere dị ala nke ogige ahụ na amyoxium hydroxide.
Ikpo flask (3.1) Iji kwụsị distillation mgbe ị nweta 60 ml nke distillate, saa ahụ na mmiri, ma na-anakọta igwe ahụ n'ime flask.
Ekwesịrị idozi ọnọdụ okpomọkụ n'oge distillation iji zere ịkpọpu ihe gas na iji kwe ka inweta ya.
4.3.3 tithor
Na -eche disticlate (a) na ndagwurugwu acid (2.4) ma mechikwa ya na ph na 7 ± (36). N'ụzọ ziri ezi tinye 20.00 ml nke ọkọlọtọ nke nitrate nitrate (2.6) na distillate (a) ma kpoo ya na mmiri ịsa ahụ maka 1 h. A na-eme ka ihe dị omimi (a) na-acha odo odo na-acha uhie uhie ma na-ekiri mmiri, (3.5) na mmiri ọkụ na-eji mmiri ọkụ na filtrate na mmiri ) anakọtara. Tinye 5 ml nke nitric acid (2.1) na ole na ole na ole na ole ammate sultonium sulture na-egosi (b)) agba aja aja ma dobe ya maka 0,5 min.

Mgbakọ 5 nke nsonaazụ nyocha

5.1 usoro mgbakọ
Ọdịnaya nke ahịhịa na-agbanwe agbanwe na galik na-enye galik na-egosi dị ka pasent nke usoro a na-esote usoro a: McVCX100057.0) (21 ××× "
Ebe: x - pasent ọdịnaya nke ihe orgatilfur ogige na galik na-egbu egbu,%;
C1 - ịta nke ọla ọcha nitrate Ntanetị (2.6), Mol / l;
C2 - ịta nke ammocium th7), mol / l;
V - olu nke Ammonium vanocyntate ọkọlọtọ riri, ml;
0.057 - grams nke nsure sọlfọ dị [(Ch2ch = Ch2) 2S] nha nke ntụtụ ọla ọcha na c = 1.000 mol / l;
m - uka nke udiri g. A ga-ekwupụta nsonaazụ ndị a na-enweta na mpaghara abụọ.
5.2 izi ezi nke usoro
Maka otu onye ọrụ ahụ, ọdịiche dị n'etiti nsonaazụ abụọ na-achọpụta ekwesịghị gafere pasent 5 nke ha bara uru, ma ọ bụghị ikwughachi mkpebi ahụ.
5.3 Akuko nnwale
Were usoro ihe dị ka mkpebi abụọ dịka nsonaazụ ya.

Ihe odide:

Onye ọrụ a na-akwụghị ụgwọ nke Ministre nke Ministwa banyere Republic of Republic of China.
Standardlọ ọrụ a na-akwụ ụgwọ maka ime nnyocha nyocha nri.
Isi ihe ngosi a Shen Bing, Liu ZhenFang, li go'idong, laghachi Jiuzhen.
Ozi nke Azụmaahịa nke Azụmaahịa nke Ndị Republic of China 1988-02-29 kwadoro 1988-07-01 mmejuputa.