过渡元素(transition elements)是元素周期表中从ⅢB族到VⅢ族的化学元素 。这些元素在原子结构上的共同特点是价电子依次充填在次外层的d 轨道上 ,因此,有时人们也把镧系元素和锕系元素包括在过渡元素之中 。另外,ⅠB族元素(铜、银、金)在形成+2和 +3 价化合物时也使用了d电子;ⅡB族元素(锌、镉、汞)在形成稳定配位化合物的能力上与传统的过渡元素相似,因此,也常把ⅠB和ⅡB族元素列入过渡元素之中。
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默认
常备现货
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纯度
- 请选择
- 99+%
- 99%
- 98+%
- 98%
- 97+%
- 97%
- 96+%
- 96%
- 95+%
- 95%
- 93%
- 90+%
- 90%
规格
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- 1mg
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- 1g
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- 1kg
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[1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper chloride
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BD306339578743-87-095%
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5g
常备现货
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Copper(I) Hexafluoro-2,4-pentanedionate 1,5-Cyclooctadiene Complex
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BD30641586233-74-198%
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5g
常备现货
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Triruthenium dodecacarbonyl
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BD15061215243-33-198%
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250mg
常备现货
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1,4-Butylenebis(diphenylphosphine)palladium dichloride
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BD2006429964-62-397%
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250mg
常备现货
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Silver(I) acetate
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BD151135563-63-398%
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5g
常备现货
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Silver(I) benzoate
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BD151138532-31-098%
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5g
常备现货
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Silver(I) chloride
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BD1511437783-90-699%
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25g
常备现货
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Silver diethyldithiocarbamate
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BD1511471470-61-798%
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25g
常备现货
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Silverhexafluoroantimonate
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BD15115026042-64-898%
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1g
常备现货
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Silver methanesulfonate
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BD1511612386-52-999%
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5g
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Silver(I) sulfate
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BD15117510294-26-599%
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5g
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Silver(I) 2,2,2-trifluoroacetate
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BD1511772966-50-998%
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10g
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Sodium tetrachloropalladate(II)
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BD15164713820-53-698%
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10g
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Chlorocyclopentadienylbis(triphenylphosphine)ruthenium(II)
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BD12079332993-05-898%
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250mg
常备现货
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Rhodium triphenyl acetate
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BD246756142214-04-898%
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100mg
常备现货
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(1,3-Bis(2,6-diisopropylphenyl)-1,3-dihydro-2H-imidazol-2-ylidene)(chloro)gold
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BD246788852445-83-195%
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1g
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1,2-Bis(phenylsulfinyl)ethane palladium(II) acetate
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BD246791858971-43-497%
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1g
常备现货
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Dichlorotetrakis(ethylene)dirhodium(I)
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BD1777612081-16-295%
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250mg
常备现货
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Ferrocenecarboxaldehyde
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BD1777812093-10-697%
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100g
常备现货
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Chloro[[1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene](N,N-dimethylbenzylamine)palladium(II)]
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BD635512930796-10-498%
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1g
常备现货
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Bis(dibenzylideneacetone)palladium
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BD2019632005-36-098%
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250mg
常备现货
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cis-Diaminodichloroplatinum(II)
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BD12178815663-27-199%
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100mg
常备现货
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Copper(II)bis(2,2,6,6-tetramethyl-3,5-heptanedionate)
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BD152514040-05-298%
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1g
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Cobalt(II) bromide
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BD013808787789-43-797%
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5g
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Cobalt(II) iodide
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BD12209215238-00-398%
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1g
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Cobalt tris(acetylacetonate)
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BD12210121679-46-997%
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25g
常备现货
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5,10,15,20-Tetraphenyl-21H,23H-porphine copper(II)
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BD12222014172-91-998%
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5g
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Copper(I) oxide
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BD1222281317-39-198%
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100g
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Cuprous thiocyanate
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BD1222301111-67-798%
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100g
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Copper(II) trifluoromethanesulfonate
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BD12226834946-82-298%
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25g
常备现货