Re: [Biofuel] pH question

2006-01-30 Thread A. Secco
-- From: Jan Warnqvist To: Biofuel@sustainablelists.org Sent: Monday, January 30, 2006 3:30 AM Subject: Re: [Biofuel] pH question Hello Andrew, not to worry, that pH value is quite in order. When you judge the result of a correctly performed pH determination, you shoul

Re: [Biofuel] pH question

2006-01-30 Thread Jan Warnqvist
@sustainablelists.org Sent: Monday, January 30, 2006 4:15 PM Subject: Re: [Biofuel] pH question Dear Jan, If I understand correctly somethingcan be wrong with the pH measurementswhich Andrew made and reported. The pH can only be measured in an aqueous system and not in an oil/fatty phase

[Biofuel] pH question

2006-01-29 Thread Andrew Leven
Hello, I'vemade and washed 4 test batches from different wvo oil sources andhave comeup with some quite clear, light amber colored BD but it all seems to test out at pH 6 + or -. This seems a bit low. Any ideas about what would cause a consistent low reading like this? Andrew Leven

Re: [Biofuel] pH question

2006-01-29 Thread Jan Warnqvist
be that there is a content of free fatty acids or other acidic remains in the biodiesel. Is this right, Bob ? Jan Warnqvist - Original Message - From: Andrew Leven To: Biofuel@sustainablelists.org Sent: Monday, January 30, 2006 2:09 AM Subject: [Biofuel] pH question