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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Copper(II) oxide
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BD1224811317-38-099%
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100g
常备现货
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Copper(I) chloride
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BD1224847758-89-699%
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500g
常备现货
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Tetrakis(acetonitrile)copper(I) hexafluorophosphate
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BD15354164443-05-698%
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1g
常备现货
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Ferrocenemethanol
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BD013929401273-86-598%
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1g
常备现货
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Chloro{(S)-(-)-2,2'-bis[di(3,5-xylyl)phosphino]-1,1'-binaphthyl}[(2S)-(+)-1-(4-methoxyphenyl)-1-(4-methoxyphenyl-kC)-3-methyl-1,2-butanediamine]ruthenium(II)
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BD6356761312713-89-598%
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1g
常备现货
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Bis(tricyclohexylphosphine)nickel(II) chloride
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BD28948019999-87-297%
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5g
常备现货
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Dicarbonylcyclopentadienylcobalt
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BD12429112078-25-095% T
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1g
常备现货
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(Bicyclo[2.2.1]hepta-2,5-diene)dichloropalladium(ii)
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BD0118534212317-46-398+%
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250mg
常备现货
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Dichloro(1,10-phenanthroline)copper
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BD43390914783-09-698%
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1g
常备现货
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Dichloro(1,5-cyclooctadiene)platinum(II)
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BD12431012080-32-998%
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5g
常备现货
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Dichlorotris(triphenylphosphino)ruthenium (II)
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BD12438215529-49-497%
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1g
常备现货
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trans-Bis(dicyclohexylphenylphosphino)nickel(II) chloride
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BD63573919232-03-295%
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250mg
常备现货
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Tris(acetonitrile)cyclopentadienylruthenium(II) hexafluorophosphate
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BD15584880049-61-298%
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250mg
常备现货
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Dihydrogen Di-μ-chlorotetrakis(di-tert-butylphosphinito)dipalladate
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BD290871386706-31-698%
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100mg
常备现货
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Vanadyl acetylacetonate
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BD1563323153-26-298%
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100g
常备现货
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Acetylacetonatobis(2-phenylpyridine)iridium
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BD434570337526-85-998%
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100mg
常备现货
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Vinylferrocene
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BD1565061271-51-897%
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10g
常备现货
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Nickel dibutyldithiocarbamate
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BD1823613927-77-097%
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25g
常备现货
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1,1'-Dibenzoylferrocene
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BD43500012180-80-297%
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100g
常备现货
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Di-μ-chlorobis[5-hydroxy-2-[1-(hydroxyimino-κN)ethyl]phenyl-κC]palladium(II) dimer
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BD251202419581-64-998%
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250mg
常备现货
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Bis(triphenylphosphine)palladium(II) dichloride
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BD1825113965-03-298%
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100g
常备现货
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Palladium hydroxide on carbon(10%)
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BD0077364412135-22-710% 10% on Carbon (wetted with ca. 50% Water)
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100g
常备现货
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Bis(triphenylphosphine)nickel(II)chloride
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BD1831514264-16-598%
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25g
常备现货
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Diacetato[(R)-(+)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl]ruthenium(II)
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BD292514325146-81-498%
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5g
常备现货
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Ferroceneboronic acid
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BD2730412152-94-295%
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1g
常备现货
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Bis(triphenylphosphine)palladium(II) acetate
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BD1840414588-08-098%
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1g
常备现货