Good morning,
I am happy to go with the IUPAC names if needs be however, hfc is standard nomenclature and I would have thought the most likely term to be searched. I also note that there are already standard names for several HCFCs and CFCs, for which the standard names are 'mole_fraction_of_cfc11_in_air' etc. Nevertheless, see below a list of the requested standard/long names and definitions, using both HFC and IUPAC nomenclature. I am happy for you to choose which ones we use, please advise.
HFC nomenclature:
Standard name: mole_fraction_of_hfc134a_in_air
Long name: mole_fraction_of_hfc134a_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc134a is 1,1,1,2-tetrafluoroethane.
Standard name: mole_fraction_of_hfc143a_in_air
Long name: mole_fraction_of_hfc143a_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc143a is 1,1,1-trifluoroethane.
Standard name: mole_fraction_of_hfc125_in_air
Long name: mole_fraction_of_hfc125_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc125 is 1,1,1,2,2-pentafluoroethane.
Standard name: mole_fraction_of_hfc152a_in_air
Long name: mole_fraction_of_hfc152a_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc152a is 1,1-difluoroethane.
Standard name: mole_fraction_of_hfc32_in_air
Long name: mole_fraction_of_hfc32_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc32 is difluoromethane.
Standard name: mole_fraction_of_hfc23_in_air
Long name: mole_fraction_of_hfc23_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc23 is trifluoromethane.
IUPAC nomenclature:
Standard name: mole_fraction_of_1,1,1,2-tetrafluoroethane_in_air
Long name: mole_fraction_of_1,1,1,2-tetrafluoroethane_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. 1,1,1,2-tetrafluoroethane is described by its common name, HFC-134a.
Standard name: mole_fraction_of_1,1,1-trifluoroethane_in_air
Long name: mole_fraction_of_1,1,1-trifluoroethane_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. 1,1,1-trifluoroethane is described by its common name, HFC-143a.
Standard name: mole_fraction_of_1,1,1,2,2-pentafluoroethane_in_air
Long name: mole_fraction_of_1,1,1,2,2-pentafluoroethane_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. 1,1,1,2,2-pentafluoroethane is described by its common name, HFC-125.
Standard name: mole_fraction_of_1,1-difluoroethane_in_air
Long name: mole_fraction_of_1,1-difluoroethane_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. 1,1-difluoroethane is described by its common name, HFC-152a.
Standard name: mole_fraction_of_difluoromethane_in_air
Long name: mole_fraction_of_difluoromethane_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. Difluoromethane is described by its common name, HFC-32.
Standard name: mole_fraction_of_trifluoromethane_in_air
Long name: mole_fraction_of_trifluoromethane_in_air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. Trifluoromethane is described by its common name, HFC-23.
Cheers,
Dan
________________________________
Dr Daniel Say
Postdoctoral Research Associate
Atmospheric Chemistry Research Group
School of Chemistry
University of Bristol
Tel: (+44) 117 3317042
________________________________
From: Lowry, Roy K. <rkl at bodc.ac.uk>
Sent: 12 March 2019 17:17:12
To: Dan Say; cf-metadata at cgd.ucar.edu
Subject: Re: Addition of HFC standard names
HI again,
I'd prefer it to be somewhere in the Standard Name entry because that is searchable either through the XML document on the CF site or through the vocabulary servers handling Standard Names. That way your data gets discovered by other communities who might search for '1,1,1,2-tetrafluoroethane'. I've dealt with quite a few oceanographic halocarbon data sets over the years, but had never come across the 'hfc' nomenclature before.
To my knowledge the long name doesn't get scraped by data discovery systems. It is used more as usage metadata to help users better understand the measurements. By all means include the IUPAC name in the long name, but I would also keep the hfc synonym there.
Cheers, Roy.
I have now retired but will continue to be active through an Emeritus Fellowship using this e-mail address.
________________________________
From: Dan Say <dan.say at bristol.ac.uk>
Sent: 12 March 2019 16:59
To: Lowry, Roy K.; cf-metadata at cgd.ucar.edu
Subject: Re: Addition of HFC standard names
Hi Roy,
Would it make more sense to leave the standard name as suggested, but replace 'hfc134a' with '1,1,1,2-tetrafluoroethane' in the long name, for simplicity? This is my first venture into the CEDa archives so please advise, I am happy to change the long names if needs be.
Cheers,
Dan
________________________________
Dr Daniel Say
Postdoctoral Research Associate
Atmospheric Chemistry Research Group
School of Chemistry
University of Bristol
Tel: (+44) 117 3317042
________________________________
From: Lowry, Roy K. <rkl at bodc.ac.uk>
Sent: 12 March 2019 16:56:17
To: Dan Say; cf-metadata at cgd.ucar.edu
Subject: Re: Addition of HFC standard names
Dear Dan,
I think it would be better to have the IUPAC names somewhere (e.g. 1,1,1,2-tetrafluoroethane for hfc134a if Wikipedia is correct) in the Standard Name entry. I'd be happy with it in the definition but would not object to it being in the Standard Name itself.
Cheers, Roy.
I have now retired but will continue to be active through an Emeritus Fellowship using this e-mail address.
________________________________
From: CF-metadata <cf-metadata-bounces at cgd.ucar.edu> on behalf of Dan Say <dan.say at bristol.ac.uk>
Sent: 12 March 2019 16:43
To: cf-metadata at cgd.ucar.edu
Subject: [CF-metadata] Addition of HFC standard names
Dear All,
I'd like to request an addition to the standard name list for atmospheric measurements of hydrofluorocarbons HFC-134a, HFC-143a, HFC-125, HFC-152a, HFC-32 and HFC-23. Here are the details of the proposed standard names.
Proposal for a new standard variable names:
Names:
mole_fraction_of_hfc134a_in_air
mole_fraction_of_hfc143a_in_air
mole_fraction_of_hfc125_in_air
mole_fraction_of_hfc152a_in_air
mole_fraction_of_hfc32_in_air
mole_fraction_of_hfc23_in_air
Description: Atmospheric measurements of hydrofluorocarbons (HFC) are reported as mole fraction data in units of parts per trillion (ppt, 1E-12). The long name will remain the same as the standard name.
Thanks in advance,
Dan
________________________________
Dr Daniel Say
Postdoctoral Research Associate
Atmospheric Chemistry Research Group
School of Chemistry
University of Bristol
Tel: (+44) 117 3317042
This email and any attachments are intended solely for the use of the named recipients. If you are not the intended recipient you must not use, disclose, copy or distribute this email or any of its attachments and should notify the sender immediately and delete this email from your system.
UK Research and Innovation has taken every reasonable precaution to minimise risk of this email or any attachments containing viruses or malware but the recipient should carry out its own virus and malware checks before opening the attachments. UK Research and Innovation does not accept any liability for any losses or damages which the recipient may sustain due to presence of any viruses.
Opinions, conclusions or other information in this message and attachments that are not related directly to UK Research and Innovation business are solely those of the author and do not represent the views of UK Research and Innovation.
This email and any attachments are intended solely for the use of the named recipients. If you are not the intended recipient you must not use, disclose, copy or distribute this email or any of its attachments and should notify the sender immediately and delete this email from your system.
UK Research and Innovation has taken every reasonable precaution to minimise risk of this email or any attachments containing viruses or malware but the recipient should carry out its own virus and malware checks before opening the attachments. UK Research and Innovation does not accept any liability for any losses or damages which the recipient may sustain due to presence of any viruses.
Opinions, conclusions or other information in this message and attachments that are not related directly to UK Research and Innovation business are solely those of the author and do not represent the views of UK Research and Innovation.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <
http://mailman.cgd.ucar.edu/pipermail/cf-metadata/attachments/20190313/cb6f0526/attachment-0001.html>
Received on Wed Mar 13 2019 - 03:11:38 GMT
