Kobalti : Tofauti kati ya masahihisho

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Sahihisho
+ uchimbaji
Mstari 22:
Kobalti hupatikana mara chache kama metali tupu lakini zaidi ndani ya [[mitapo]] hasa za [[nikeli]] na [[shaba]].
 
Tangu kale [[kampaundi]] zake hutumiwa kwa rangi na wino mbalimbali, hasa za [[buluu]], [[kijani]] na [[njano]]. Kampaundi ya CoAl<sub>2</sub>O<sub>4</sub> inatumiwa kutengeneza [[kioo]] cha buluu.
Matumizi yake ni katika [[aloi]] inapoongeza ugumu wa [[feleji]]. Kampaundi zake hutumiwa kwa rangi na wino mbalimbali.
 
Katika karne ya 20 matumizi yalienea katika uzalishaji wa [[feleji]], [[aloi]] yake inaongeza ugumu wa feleji.
 
Tangu kupatikana kwa simu za mkononi na magari ya umeme kobalti imekuwa muhimu sana kwa uzalishaji wa [[beteri]]. Hii ilisababisha mlipuko wa soko la kobalti na uchimbaji wake. Mwaka 2016 takriban asilimia 60 za mahitaji yote yalichimmbwa katika [[Jamhuri ya Kidemokrasia ya Kongo]]<ref>[https://qz.com/969115/cobalt-is-the-unlikely-hero-of-financial-markets-right-now/?mc_cid=628fd74c1c&mc_eid=c52f30a388 The hottest thing in the markets right now is an obscure metal mined in DR Congo], tovuti ya Quartz.com ya April 27, 2017, iliangaliwa Januari 2018</ref>.
 
{| class="float-left wikitable sortable"
|+ Uchimbaji wa kobalti Duniani, nchi kwa nchi (tani)
! Land
! 2006<ref>[http://minerals.usgs.gov/minerals/pubs/commodity/cobalt/cobalmcs07.pdf Cobalt 2007 kwa USGS Mineral Resources].</ref>
! 2013<ref name="usgs2014">[http://minerals.usgs.gov/minerals/pubs/commodity/cobalt/mcs-2015-cobal.pdf Cobalt 2014 kwa USGS Mineral Resources] </ref>
! 2016<ref>[https://minerals.usgs.gov/minerals/pubs/commodity/cobalt/mcs-2017-cobal.pdf Cobalt 2016 kwa USGS Mineral Resources] </ref>
|-
| [[Australia]] ||style="text-align:right;"| 6000 ||style="text-align:right;"| 6400 ||style="text-align:right;"| 5100
|-
| [[Brazil]] ||style="text-align:right;"| 1000 ||style="text-align:right;"| 3000 ||style="text-align:right;"| 5800
|-
| [[China]] ||style="text-align:right;"| 1400 ||style="text-align:right;"| 7200||style="text-align:right;"| 7700
|-
| [[JD Kongo]] ||style="text-align:right;"| 22000 ||style="text-align:right;"| 54000 ||style="text-align:right;"| 66000
|-
| [[Kanada]] ||style="text-align:right;"| 5600 ||style="text-align:right;"| 6920 ||style="text-align:right;"| 7300
|-
| [[Kuba]] ||style="text-align:right;"| 4000 ||style="text-align:right;"| 4200 ||style="text-align:right;"| 4200
|-
| [[Moroko]] ||style="text-align:right;"| 1500 ||style="text-align:right;"| ||style="text-align:right;"| 1700
|-
| [[Kaledonia Mpya]] ||style="text-align:right;"| 1100 ||style="text-align:right;"| 3190||style="text-align:right;"| 3300
|-
| [[Ufilipino]] ||style="text-align:right;"| ||style="text-align:right;"| 3000||style="text-align:right;"| 3500
|-
| [[Urusi]] ||style="text-align:right;"| 5100 ||style="text-align:right;"| 6300||style="text-align:right;"| 6200
|-
| [[Zambia]] ||style="text-align:right;"| 8600 ||style="text-align:right;"| 5200||style="text-align:right;"| 4600
|-
| [[Afrika Kusini]] ||style="text-align:right;"| ||style="text-align:right;"| 3000 ||style="text-align:right;"| 3000
|-
| nchi nyingine za Dunia ||style="text-align:right;"| 1200 ||style="text-align:right;"| 8000 || align="right"| 8300
|- style="background:#E8EBEF;"
| '''Jumla''' ||style="text-align:right;"| '''57.500''' ||style="text-align:right;"| '''110.000''' || align="right"| '''123.000'''
|}
 
==Marejeo==
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