Definition of hexavalent in English:

hexavalent

adjectiveˌhɛksəˈveɪl(ə)ntˌhɛksəˈveɪlənt

Chemistry

Having a valency of six.
〔化〕六价的
Example sentencesExamples
- Zinc-based materials and polymers are replacing hexavalent chromium.
- Chromium occurs in both trivalent and hexavalent (Cr VI) forms.
- There is a growing acceptance that industry will adopt trivalent chromium as an intermediate solution to the replacement of hexavalent chromium.
- More than 95 percent of leather produced in the U.S. is tanned using trivalent and/or hexavalent chromium, the latter of which is an EPA-recognized carcinogen.
- The chemicals which must be replaced by 2007 include lead, mercury, cadmium, hexavalent chromium and some flame retardants.

Definition of hexavalent in US English:

hexavalent

adjectiveˌhɛksəˈveɪləntˌheksəˈvālənt

Chemistry

Having a valence of six.
〔化〕六价的
Example sentencesExamples
- The chemicals which must be replaced by 2007 include lead, mercury, cadmium, hexavalent chromium and some flame retardants.
- Chromium occurs in both trivalent and hexavalent (Cr VI) forms.
- Zinc-based materials and polymers are replacing hexavalent chromium.
- There is a growing acceptance that industry will adopt trivalent chromium as an intermediate solution to the replacement of hexavalent chromium.
- More than 95 percent of leather produced in the U.S. is tanned using trivalent and/or hexavalent chromium, the latter of which is an EPA-recognized carcinogen.

单词	hexavalent
释义	Definition of hexavalent in English: hexavalent adjectiveˌhɛksəˈveɪl(ə)ntˌhɛksəˈveɪlənt Chemistry Having a valency of six. 〔化〕六价的 Example sentencesExamples Zinc-based materials and polymers are replacing hexavalent chromium. Chromium occurs in both trivalent and hexavalent (Cr VI) forms. There is a growing acceptance that industry will adopt trivalent chromium as an intermediate solution to the replacement of hexavalent chromium. More than 95 percent of leather produced in the U.S. is tanned using trivalent and/or hexavalent chromium, the latter of which is an EPA-recognized carcinogen. The chemicals which must be replaced by 2007 include lead, mercury, cadmium, hexavalent chromium and some flame retardants. Definition of hexavalent in US English: hexavalent adjectiveˌhɛksəˈveɪləntˌheksəˈvālənt Chemistry Having a valence of six. 〔化〕六价的 Example sentencesExamples The chemicals which must be replaced by 2007 include lead, mercury, cadmium, hexavalent chromium and some flame retardants. Chromium occurs in both trivalent and hexavalent (Cr VI) forms. Zinc-based materials and polymers are replacing hexavalent chromium. There is a growing acceptance that industry will adopt trivalent chromium as an intermediate solution to the replacement of hexavalent chromium. More than 95 percent of leather produced in the U.S. is tanned using trivalent and/or hexavalent chromium, the latter of which is an EPA-recognized carcinogen.
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