Oct 22, 2020 06:23
3 yrs ago
26 viewers *
English term

hexes

English to Portuguese Science Medical: Pharmaceuticals
Olá.

Gostaria de ver sugestões de tradução para o termo "hexes" no seguinte contexto:

"The ZB-Dioxin achieves superior resolution for both 2,3,7,8-TCDD and 2,3,7,8-TCDF while not only maintaining chromatography for the hexes but improving it."

Obrigado

Proposed translations

+2
1 hr
Selected

hexanas/hexanos

https://www.google.co.uk/search?q=hexanos&lr=lang_pt&as_qdr=...

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Note added at 2 hrs (2020-10-22 09:17:21 GMT)
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https://www.epa.gov/sites/production/files/2016-01/documents...

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Note added at 2 hrs (2020-10-22 09:19:32 GMT)
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Chemical and Physical Properties of the Hexane Molecule
Hexane is an alkane hydrocarbon with the chemical formula CH3(CH2)4CH3. The "hex" prefix refers to its six carbons, while the "ane" ending indicates that its carbons are connected by single bonds. Hexane isomers are largely unreactive, and are frequently used as an inert solvent in organic reactions because they are very non-polar. They are also common constituents of gasoline and glues used for shoes, leather products and roofing. Additionally, it is used in solvents to extract oils for cooking and as a cleansing agent for shoe, furniture and textile manufacturing.

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Note added at 2 hrs (2020-10-22 09:22:14 GMT)
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Application Note No. 360/2019 - Buchistatic1.buchi.com › sites › default › files › AN_360_20...
PDF
2/7. 1. Introduction. Air quality is an emerging concern for the human populations' health, ... The most toxic dioxin (TCDD, the so-called “Seveso”-dioxin) has a TEF of 1. ... Clean-up via Liquid Chromatography. 1. Dissolve the extract in hexane. 2. ... 2. 3. 4. 5. 6. Mean. SD. 13C 2,3,7,8 TCDF. 67.6. 60.2. 52.1. 88.8. 55.2. -. 64.8.

Final Report on the Performance of the Eichrom ... - CLU-INclu-in.org › dioxins › Dioxins_Eichron-540-R-11-002
PDF
samples in archive that were not used as part of the 2004 study, replicates, and quality ... columns, and analyzing the cleaned fraction by gas chromatography ... hexane. Column. Purification. Na2 SO4. 8 g 44%. H2 SO4. Silica. Glass. Wool ... compounds (e.g., 2,3,7,8-tetrachlorodibenzo-p-dioxin ,(TCDD), and 1,2,3,6,7 ...

good luck!
Peer comment(s):

agree MARCOS BAZILIO : https://brasilescola.uol.com.br/quimica/nomenclatura-dos-alc...
3 hrs
agree docjekyll : O contexto é um de química orgânica e, assim, HEX seria traduzido por HEXANO, no Português.
149 days
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4 KudoZ points awarded for this answer.
3 hrs

isômeros hexacloro / compostos com 6 cloros

Sugestão, suponho que sejam os picos desses compostos, que também saem bem definidos no cromatograma

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Note added at 4 hrs (2020-10-22 11:01:22 GMT)
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https://www.phenomenex.com/Info/Page/20dioxingccolumns?utm_c...

Depois de baixar a brochura, acredito que seja isso mesmo, além do TCDD e TCDF (tetraclorodibenzo dioxina e furano), saem tbm hexaCDDs e hexaCDFs... além de octas

Outra ideia é que ele esteja chamando todos os compostos de "hexes" ("an evil spell, bringing bad luck and trouble - https://dictionary.cambridge.org/dictionary/english/hex), devido à toxicidade extrema dos mesmos, mas acho isso bem pouco provável...
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10 hrs

susbtâncias com seis átomos de carbono

Hexane is a straight-chain alkane with six carbon atoms and has the molecular formula C6H14;
Hexene is an alkene with a molecular formula C6H12.
The hexynes are a subgroup from the group of alkynes. It consists of several isomeric compounds.
The prefix "hex" is derived from the fact that there are 6 carbon atoms in the molecule.
"Hexes" are not defined in English dictionaries in this sense (just as a noun — a person who practices witchcraft; or a verb — bewitch, charm, enchant, ensorcell, overlook, spell, strike. Or as an abbreviation for "hexa" meaning six).
So, in this sentence "hexes" might be a neologism for "all substances with 6 carbon atoms". My two cents.
Example sentence:

I think our plans have been hexed from the start—everything is going wrong.

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13 hrs

Reference comments

1 hr
Reference:

see

Improved separations of phytoplankton pigments using ...dx.doi.org › meps114303
PDF
17 Nov 2019 — [HPLC) column caused significant changes in elution profiles of ... 19'-but: 19'- butanoyloxyfucoxanthin; ***19'-hex: 19'-hexanoyloxyfucoxanthin***.

??

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Note added at 1 hr (2020-10-22 07:59:59 GMT)
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also
found
hexanes

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Note added at 1 hr (2020-10-22 08:02:37 GMT)
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New approach for removing co-extracted lipids before mass ...www.dspsystems.eu › wp-content › uploads › 2020/07
PDF
10 May 2020 — chromatographic mass spectrometry (GC-MS) method can be applied. ... silver nitrate/silica column (not included in EPA methods) and an alumina ... When analyzing only PCDD/Fs and PCBs, 90 mL of hexane is pumped ... 2,3,7,8-TCDF. 96. 1.3 ... The Belgian PCB/dioxin incident: analysis of the food chain.
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2 hrs
Reference:

hexa-compounds

I have looked up the author of this recommendation and found this website:

https://www.testamericainc.com/services-we-offer/services-we...

I think this author refers to testing substances/products for the amount of dioxin/furan concentrations. In order to calculate this, two of the substances that are measured are the dioxin and furan homologues Hexachlorodibenzo-p-dioxins and Hexachlorodibenzofurans - in other words, "hexa-compounds".

It seems to me that this recommendation states that with the ZB-dioxin, when a product is analysed, superior resolution is achieved for 2,3,7,8-TCDD and 2,3,7,8-TCDF while at the same time, chromatography results for the hexa-compounds are better than previous results.

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Note added at 3 hrs (2020-10-22 09:41:50 GMT)
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Liz, thanks for your comment; this was not meant as an answer, rather as an indication of the meaning - "hexes" in this sense is also a non-official term, I think. I think "hexanes/hexenes" may be too limited here, as I think this concerns the hexachlorodibenzo-p-dioxins and hexachlorodibenzofurans.

Analogous to "hexa compounds", if you look for "tetra compounds", apart from references to Tetra as a brand, in the book "Lead in the marine environment" you will find an example of the meaning I think "hexes" has here:
This may account for the different toxicity of the tri and tetra compounds although the details of the mechanism are quite unknown at present.

Also, try searching for "penta compounds" which seem to occur more often in texts.
Peer comments on this reference comment:

neutral liz askew : I am unable to find "hexa-compounds" as in your reference
44 mins
thanks - you are right, it does not occur often, although "penta compunds" does :)
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