How Nelson-Farrar indexes of chemical costs have changed

The costs of two important chemicals used in crude-oil refining changed very little during the period, 1996-1998, while the costs of three others dropped significantly. Click here to enlarge imageThe two stable chemicals were hydrofluoric acid, with Nelson-Farrar index ending with 414.9; and sulfuric acid with an index constant of 347.4.Platinum varied from 413.2 in the first quarter of 1996, to 332.6 in the last quarter of 1998. However, the average for the year of 1996 was 395.8 while 366.8 was the average for 1998.The other two chemicals with dropping costs are sodium carbonate and sodium hydroxide.Over the 1996-1998 time span, sodium carbonate showed a maximum index value of 419.3 an...

Why Register?

Non-subscribers can only view whitepapers by providing name, home and email address, phone number and other information and comment on/rate articles.

Why Subscribe?

Oil & Gas Journal subscribers with login credentials can access these premium features of OGJ Online:

  • Current Issue – an html version of the current week's issue of Oil & Gas Journal.
  • Past Issues – An Electronic OGJ Archive. A keyword-searchable archive of all issues of Oil & Gas Journal dating back to 1990; also searchable by issue date.
  • Market Journal – a weekly round-up of the oil and gas markets, with observations from leading analysts.
  • Editor's Perspective – a short article of insight and opinion by the Editor of Oil & Gas Journal.
  • OGJ Industry Stats – quick access to current industry statistics from Oil & Gas Journal.
  • OGJ Survey Downloads - quick access to exclusive reports from Oil & Gas Journal.


Subscriber Help or Subscribe

Oil & Gas Journal Subscribers: Have your subscription number (from the mailing label on the cover of your Oil & Gas Journal) and e-mail address ready to set up your online account through Customer Service Assistant.

If you're not an Oil & Gas Journal subscriber, start a subscription and gain access to the subscriber areas of OGJ Online now.

Stay Connected