镉是什么很多人对这个问题比较感兴趣，下面让我们一起来看涔涓瑗，希望可以帮助到你。
?????涔?涓?瑗?
??锛??????查??灞???绱?锛???瀛︾???d锛???瀛?搴???/a>48锛?1817骞村???般??
??璐ㄤ负?剁?借?查??灞?锛????绉??告?朵腑瀛???浼?????灞?锛??舵??妫??″????a href="https://zhidao.baidu.com/search?word=?稿??搴???" highlight="true">?稿??搴???????缂??惧?瑁?????搴?????锛???涓??ㄩ??-???垫?涓??涓烘???ㄣ??瀹???纭????╅??查???锛??ㄦ?ュ?舵????榛?棰???
?板３涓??╄川涓?????姣?渚?涓?000000锛?0.1锝?1000000锛?0.5?????涓哄??骇??浠????跨?虫??纭????夸腑???煎?烘?ョ??锛?澶у??ㄦ?ヤ??ゅ?朵???灞???????????????锛?濡??甸???€?????跺????????榛??????朵????????︿??ㄩ?????堕??涓?绉???????榛???浜???查???锛????ㄤ?楂?绾ф补婕???缁??婚?????
???╂???/strong>
??浼?瀵瑰?煎?搁??浜х???烘?锛??挎???撮?蹭???????瑙?涓уけ??????榫?榛?????娓???榛???锛????????╀???琚??????告?讹?浣?????煎?歌?浣????告?讹?绉??浜??????捐???????卞?锛?灏や互瀵硅?捐????瀹虫??涓烘???俱??杩??????a href="https://zhidao.baidu.com/search?word=楠ㄨ川???? highlight="true">楠ㄨ川????/a>??杞?????
浠?涔?????锛?
?????绉???灞???绱?锛???绱?绗﹀?蜂负Cd锛??辨????绉帮?Cadmium锛???瀛?搴???/a>涓烘??8锛?瀵?搴︿负8.65g/cm³??
?????剁?借?诧??ュ甫娣¤???插??娉斤?璐ㄨ蒋??纾?????ф?у??寤跺??э?????涓????烘??с?????逛负320.9??锛??舵哺?瑰??65~767??涔??淬???ㄨ???剁?????杈?绋???????绱?锛??板３涓?????绾︿负0.1~0.2mg/kg????璧?瀛??ㄩ???夸腑??
???ㄦ疆婀跨┖姘?涓?????㈡哀??骞跺け?诲??娉斤??????剁????妫??茬??姘у??灞?锛????告苯???т骇??妫??茬?????俱????涓?纭??搞?????稿??纭???/a>浣??ㄤ骇??????????瀵圭??姘村??纰辨恫????ソ???????ц?姐??
?╁?璧???
??姘у???典?楂?锛??????ㄤ??????€????涔?淇??よ??锛?骞跨?ㄤ??甸???茶??涓?锛?浣????舵??уぇ锛?杩?椤圭?ㄩ??????缂╄??裤??
?????ㄤ??朵??????垫????ㄤ?濉??跺?堕??????灞??甸?????朵?杞﹁??????浜??????靛?缁?浠跺???稿???搴?????浠剁???
????姘у???╁??妫??诧?纭?????/a>??椴??崇??榛??诧????绉?寰??炬憾瑙ｇ??棰???锛?甯哥?ㄤ???浜ч?????娌规??????????板?锋补澧ㄧ?涓???浜?榛??查?????
??浣?涓哄????缁??????介????寰?澶?????锛?濡?????0.5%锝?1.0%??纭???????锛???杈?楂???????寮哄害????纾ㄦ?с????锛?98.65%锛???锛?1.35%锛???????a href="https://zhidao.baidu.com/search?word=椋??哄???ㄦ?? highlight="true">椋??哄???ㄦ??/a>??杞存?挎??????寰?澶?浣????瑰????涓???????锛???????浼?寰锋????????涓???????杈?2.5%??
?????涔?涓?瑗?
??锛??????查??灞???绱?锛???瀛︾???d锛???瀛?搴???/a>48锛?1817骞村???般??
??璐ㄤ负?剁?借?查??灞?锛????绉??告?朵腑瀛???浼?????灞?锛??舵??妫??″????a href="https://zhidao.baidu.com/search?word=?稿??搴???" highlight="true">?稿??搴???????缂??惧?瑁?????搴?????锛???涓??ㄩ??-???垫?涓??涓烘???ㄣ??瀹???纭????╅??查???锛??ㄦ?ュ?舵????榛?棰???
?板３涓??╄川涓?????姣?渚?涓?000000锛?0.1锝?1000000锛?0.5?????涓哄??骇??浠????跨?虫??纭????夸腑???煎?烘?ョ??锛?澶у??ㄦ?ヤ??ゅ?朵???灞???????????????锛?濡??甸???€?????跺????????榛??????朵????????︿??ㄩ?????堕??涓?绉???????榛???浜???查???锛????ㄤ?楂?绾ф补婕???缁??婚?????
???╂???/strong>
??浼?瀵瑰?煎?搁??浜х???烘?锛??挎???撮?蹭???????瑙?涓уけ??????榫?榛?????娓???榛???锛????????╀???琚??????告?讹?浣?????煎?歌?浣????告?讹?绉??浜??????捐???????卞?锛?灏や互瀵硅?捐????瀹虫??涓烘???俱??杩??????a href="https://zhidao.baidu.com/search?word=楠ㄨ川???? highlight="true">楠ㄨ川????/a>??杞?????
?????绉?浠?涔??╄川锛?
??锛?g茅 锛??抽??锛?锛?CADMIUM锛?婧???admia锛???娉ュ??????????锛?1817骞村???般??????涓???瀛??ㄤ????剁??涓???瀹????绉??告?朵腑瀛???浼?????灞?锛??舵??妫??″???ㄥ??瀛???搴???????缂??稿?杩?????搴?????锛???涓??ㄩ??-???垫?涓??涓烘???ㄣ??瀹???椴?????纭????╂???舵??????榛?棰???锛?骞垮???烘?????娆㈣???
??绱???绉帮???
??瀛?浣?绉?(绔??瑰??绫??╁?)
13.1
??绱??ㄥお?充腑??????:(ppm)
0.006
??绱??ㄦ捣姘翠腑??????:(ppm)
澶?钩娲?琛ㄩ? 0.0000011
?板３涓?????锛?锛?ppm锛?
0.11
??绱?绗﹀?凤?Cd
??绱??辨????绉帮?
??绱?绫诲??锛???灞???绱?
?稿???瀛?璐ㄩ??锛?112.4
??瀛?搴??帮?48
璐ㄥ??帮?48
涓???帮?
??浣?绱?:
?╁?璐ㄩ??锛?112
姘у????锛?
Main Cd+2
Other Cd+1
??瀛???寰?锛?
??灞??ㄦ??锛?5
??灞????帮?IIB
?靛?灞???甯?锛? 2-8-18-18-2
?朵?缁???锛??惰??涓哄???规?惰????
?惰?????帮?
a = 297.94 pm
b = 297.94 pm
c = 297.94 pm
伪 = 90掳
尾 = 90掳
纬 = 120掳
???纭?害锛?2
澹伴?冲?ㄥ?朵腑??浼???????锛?锛?m/S锛?
2310
?电?? (kJ /mol)
M - M+ 867.6
M+ - M2+ 1631
M2+ - M3+ 3616
M3+ - M4+ 5300
M4+ - M5+ 7000
M5+ - M6+ 9100
M6+ - M7+ 11100
M7+ - M8+ 14100
M8+ - M9+ 16400
M9+ - M10+ 18800
?????剁?借?叉????娉界????灞?锛?????20.9??锛?娌哥??65??锛??稿?瀵?搴?.642?????ф?у??寤跺??с?????ㄦ疆婀跨┖姘?涓???㈡哀??骞跺け?婚??灞???娉斤??????惰〃?㈠舰??妫??茬??姘у???╁???楂?娓╀???涓??ょ???搴?婵???锛?褰㈡???ゅ????[1]??涔????纭??存?ュ????锛?????纭???????????憾浜??革?浣?涓?婧朵?纰便??????姘у????涓猴?1??锛?2??姘у??????姘㈡哀??????婧惰В搴﹂?藉?灏?锛?瀹?浠?憾浜??革?浣?涓?婧朵?纰便??????舰??澶?绉???绂诲?锛?濡?Cd(NH3锛???Cd(CN)??CdCl绛???????姣??ц?澶э?琚???姹℃????绌烘???椋??╁?浜轰??卞?涓ラ??锛??ユ??????涓???惧?虹?扳????????????
???ㄥ?绉??规?浠?????????灏?????娓ｏ?濡??ゆ?????????纭??告蹈?烘?????绮?缃????涓??峰???灞?????杩?涓?姝ユ??绾????ㄧ?佃В绮剧?煎????绌鸿?搁?????涓昏??ㄤ??€??????????榛??????朵???灞????甸??锛?瀵圭⒈?х?╄川???茶?????藉??寮恒???????ㄤ??堕??浣?绉?????靛???澶х???垫????????????╄?澶ч???ㄤ???浜ч??????у??绮???纭???????纭???????纰插?????ㄤ??堕?????垫???
??瀛︽?ц川
??? ???
2Cd+O2==2CdO Cd+S==CdS
???
Cd+X2==CdX2 (X=F??Cl??Br??I)
??? ???
3Cd+2P==Cd3P2 Cd+Se==CdSe
Cd+2ClH(dil)==CdCl2+H2
???
2Cd+2SO2==CdSO4+CdS
??? ???
2Cd+Na==NaCd2 6Cd+Na==NaCd6
2??姘㈡哀??????姘у????
Cd2++2NaOH=Cd(OH)2+2Na+
Cd(OH)2+H+=Cd2++2H2O
???
Cd(OH)2==CdO+H2O
???
[Cd(NH3)4]2++2OH-==Cd(OH)2+4NH3
2Cd2++3CO32-+2H2O=Cd2(OH)2CO3+2HCO3-
3??纭?????????????????br />(1)纭?????
Cd2++H2S=CdS+2H+
3CdS+8HNO3==3Cd(NO3)2+2NO+3S+4H2O
(2)?????????
[Cd(NH3)6]2+
[Cd(CN)4]2-
4??????搴?姘寸??澶???
(1)涓???娌?娣?娉?
Cd2++2NaOH=Cd(OH)2+2Na+
(2)绂诲?浜ゆ?㈡?
(3)?跺?:姘?娴????纰辨?ф隘??娉?
???颁汉锛????圭?杩??? ???板勾浠ｏ?1817骞?br />???拌?绋?锛?1817骞达?寰峰?界?????圭?杩???锛?浠?涓?绾???姘у????涓???绂诲?鸿??茬?锛?浣垮?涓??ㄧ???辩????跺?????
??绱???杩帮??剁?借?叉?????拌?叉????娉界??杞?川??灞?锛??峰欢灞??э?瀵?搴︼?8.642??/绔??瑰??绫炽?????癸?320.9????娌哥??65????????浠蜂负+2???电???.993?靛?浼??广???????澶╃?剁??绋冲???浣?绱?锛?杩?????涓?绉?涓?绋冲???浜哄伐?惧??у??浣?绱???浜?绌烘?涓????澶卞?诲??娉斤?骞惰?涓?涓?灞?姘у???╄????锛????叉?杩?涓?姝ユ哀????涓?婧朵?姘达?婧朵?澶у??伴?镐腑?????ㄦ??????绋冲??????╀腑?藉??+2浠凤??剁?瀛????层??????舰??缁?绂诲?Cd锛?NH3锛?42+??Cd锛?CN锛?42-??CdI42-??
??绱??ユ?锛??ㄨ???剁??涓?富瑕???纭????胯??瀛????涔???灏???瀛??ㄤ????夸腑锛???浠ヤ??????垮?剁?兼?剁????骇????????涓昏??跨?╂??纭?????CdS)锛?璧?瀛?浜????裤???????垮?????????跨?充腑??????涓????ㄩ??浼拌?涓 900涓??ㄣ??
??绱??ㄩ??锛? ??浣?涓哄????缁??????介????寰?澶?????锛?濡?????0.5锛?锝?1.0锛???纭???????锛???杈?楂???????寮哄害????纾ㄦ?с????锛?98.65锛?锛???锛?1.35锛?锛?????????哄???ㄦ?虹??杞存?挎??????寰?澶?浣????瑰????涓???????锛???????浼?寰锋????????涓???????杈?2.5锛????????????垛?????垫??锋??浣?绉????瀹归??澶х?浼??广?????锋??杈?澶х????腑瀛?淇??锋??????姝ゅ???讹?80锛?锛???锛?15锛?锛???锛?5锛?锛????????????瀛???搴??????у?舵????????????╂?惧箍娉??ㄤ??堕??棰?????濉???绋冲??????у??绮?绛?????杩??ㄤ???欢??灞??茶??锛?浣????舵??уぇ锛?杩?椤圭?ㄩ??????缂╄??裤??
?ㄤ??靛????堕??????绛?锛?骞跺????????瀛???搴???涓???涓???告?舵?????姘у???典?楂?锛??????ㄤ??????€????涔?淇??よ??锛?骞跨?ㄤ??甸??涓?锛?骞剁?ㄤ????电?垫????佃?????绠°??榛??查?????浣?涓哄???涔?瀹?瀹????????????╁???ㄤ?????????????????棰?????娌规?绛?涔??堕??涓???
??绱?杈??╄???锛???涓?瀹?????????绱?姹??????告?锛?琚????扮??????澶???瀹??ㄥ?板３涓?????姣?姹?杩?澶?涓?浜?锛?浣????涓?缁??虹?板氨浠ュ己??????灞???娉姐??杈?澶х??姣??????规???娴??ㄦ?у???藉?婧惰В澶?绉???灞???濮挎???稿?浜?浜轰滑??娉ㄦ???????ㄥ?板３涓???????姣???灏?寰?澶?锛?甯稿父浠ュ???????????夸腑锛?寰?灏????????裤????灞???姣????存???ュ??锛???姝ゅ?ㄧ?ㄩ?娓╃?奸???讹?瀹?姣????存?╅?稿?猴????夸?浜轰滑??瑙?瀵???杩?灏辨敞瀹?浜???涓????藉??浜?????琚?汉浠????般??
???╂??э???浼?瀵瑰?煎?搁??浜х???烘?锛??挎???撮?蹭???????瑙?涓уけ??????榫?榛?????娓???榛???锛????????╀???琚??????告?讹?浣?????煎?歌?浣????告?讹?绉??浜??????捐???????卞?锛?灏や互瀵硅?捐????瀹虫??涓烘???俱??杩?????撮?璐ㄧ???惧??杞?????
棣??????伴??????痉?藉?ュ环?瑰ぇ瀛﹀??瀛﹀???昏??????????圭?杩?灏???浠??间换?垮?濮?????????瑙?瀵?涓?????姝ｆ????ㄨ?瀵???????杩?绋?涓??瑙?瀵??板???????╀腑?虹?扮?????锛?淇?浣夸???817骞村???颁??????变????扮???伴??灞?瀛??ㄤ???涓??灏变互???????跨?宠?遍???跨????绉?alamine?藉??瀹?涓?admium锛???绱?绗﹀?峰?涓?d??