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
- 2mg
- 5mg
- 10mg
- 25mg
- 50mg
- 100mg
- 250mg
- 1g
- 5g
- 10g
- 25g
- 100g
- 500g
- 1000g
- 1kg
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Manganese(ii)bromide
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BD13715313446-03-298%
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5g
常备现货
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Trimanganese tetraoxide
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BD1371751317-35-7Mn≥71%,BET:5-7m2/g
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100g
常备现货
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Manganese(II) chloride tetrahydrate
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BD13718813446-34-999%
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500g
常备现货
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Bis(di-tert-butyl(4-dimethylaminophenyl)phosphine)dichloropalladium(II)
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BD214209887919-35-997%
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5g
常备现货
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Bis(acetylacetonato)dioxomolybdenum(VI)
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BD14027417524-05-998% (stabilized with 1~2% acetylacetone)
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25g
常备现货
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Chloro[(tri-tert-butylphosphine)-2-(2-aminobiphenyl)] palladium(II)
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BD2803821375325-71-598%
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5g
常备现货
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Yttrium(III) trifluoromethanesulfonate
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BD16836852093-30-898%
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1g
常备现货
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Bicyclo[2.2.1]hepta-2,5-diene-rhodium(I) chloride dimer
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BD0116285012257-42-098+%
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250mg
常备现货
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1,1'-Dimethylferrocene
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BD524431291-47-098%
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1g
常备现货
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(Dimethylaminomethyl)ferrocene
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BD1421991271-86-998%
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25g
常备现货
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Diacetato[(S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl]ruthenium(II)
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BD634405106681-15-695%
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250mg
常备现货
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Diacetato{(S)-(-)-2,2'-bis[di(3,5-xylyl)phosphino]-1,1'-binaphthyl}ruthenium(II)
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BD634439374067-49-998%
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1g
常备现货
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Chloro(1,5-hexadiene)rhodium(I),dimer
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BD63445932965-49-498%
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250mg
常备现货
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Di-μ-chlorobis[2-[(dimethylamino)methyl]phenyl-C,N]dipalladium(II)
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BD63448618987-59-298%
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1g
常备现货
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Chloro(2'-amino-1,1'-biphenyl-2-yl)palladium(II) dimer
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BD634495847616-85-798%
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1g
常备现货
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Acetylacetonatobis(ethylene)rhodium(I)
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BD11229012082-47-298%
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1g
常备现货
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(Hexamethylbenzene)ruthenium(II) dichloride dimer
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BD68247367421-02-798%
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1g
常备现货
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Tetrakis[n-tetrachlorophthaloyl-(s)-tert-leucinato]dirhodium bis(ethyl acetate) adduct
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BD6824831816286-21-198%
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100mg
常备现货
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(2Sp)-1-[(1R)-1-(Dicyclohexylphosphino)ethyl]-2-(diphenylphosphino)ferrocene
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BD240878155806-35-297%
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1g
常备现货
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Allylpalladium(II) chloride
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BD11320812012-95-297%
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250mg
常备现货
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(R)-Ru(OAc)2(DM-BINAP)
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BD627833374067-50-298%
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1g
常备现货
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Nickel(II) fluoride
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BD14462010028-18-999%
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100g
常备现货
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Nickel iodide (NiI2)
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BD0131456113462-90-399%
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5g
常备现货
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Nickel(Ⅱ) acetate tetrahydrate
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BD1446516018-89-999%
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100g
常备现货
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Nickel(II) hydroxide
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BD14465912054-48-799%
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100g
常备现货
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Aminoferrocene
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BD1139801273-82-197%
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250mg
常备现货
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Ruthenium(III) chloride xhydrate
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BD24255614898-67-097%
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100g
常备现货
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Palladium(II) 2,4-pentanedionate
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BD14664714024-61-498%
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5g
常备现货