Re: [Biofuel] KOH carbonated

2006-02-13 Thread Tomas Juknevicius
Mike McGinness wrote: The KOH reacts with CO2 in the air producing K2CO3 + O2 + H20. The K2CO3 is still considered a strong base and may still work for suponification for your purposes, but it is not as reactive as KOH. Also only one of the two K's from the K2CO3 is a strong base so

Re: [Biofuel] KOH carbonated

2006-02-13 Thread Andres Secco
the impression that purity of KOH is not so important. - Original Message - From: Mike McGinness [EMAIL PROTECTED] To: Biofuel@sustainablelists.org Sent: Sunday, February 12, 2006 8:37 PM Subject: Re: [Biofuel] KOH carbonated Titrate to what end point? Mike McGinness bob allen

Re: [Biofuel] KOH carbonated

2006-02-13 Thread Mike McGinness
Thomas, Thanks for the corection, I plead temporary insanity (actually I was distracted when I rushed out that email). You are correct there is no O2 produced. Mike Tomas Juknevicius wrote: Mike McGinness wrote: The KOH reacts with CO2 in the air producing K2CO3 + O2 + H20. The K2CO3 is

Re: [Biofuel] KOH carbonated

2006-02-13 Thread the skapegoat
perform a titration with each on equal amounts of vinegar. The difference in volume will tell you how to adjust your formula. JJJN [EMAIL PROTECTED] wrote: Hello everyone,I just got 50 #s of KOH for next to nothing. It is in flake form but it is carbonated to some extent (unkown). I have some

Re: [Biofuel] KOH carbonated

2006-02-12 Thread Jan Warnqvist
according to that. Good luck ! Jan Warnqvist AGERATEC AB [EMAIL PROTECTED] + 46 554 201 89 +46 70 499 38 45 - Original Message - From: JJJN [EMAIL PROTECTED] To: BIO Biofuel@sustainablelists.org Sent: Sunday, February 12, 2006 6:07 AM Subject: [Biofuel] KOH carbonated Hello everyone

Re: [Biofuel] KOH carbonated

2006-02-12 Thread Ken Provost
On Feb 11, 2006, at 9:07 PM, JJJN wrote: I just got 50 #s of KOH for next to nothing. It is in flake form but it is carbonated to some extent (unkown). I have some lab grade KOH that is near absolute also. Can anyone give me a complete procedure to make a comparison (Strength %) of one

Re: [Biofuel] KOH carbonated

2006-02-12 Thread bob allen
make two solutions of the same concentration with the good and questionable KOH. titrate against any standard acid and compare. JJJN wrote: Hello everyone, I just got 50 #s of KOH for next to nothing. It is in flake form but it is carbonated to some extent (unkown). I have some lab

Re: [Biofuel] KOH carbonated

2006-02-12 Thread Mike McGinness
The KOH reacts with CO2 in the air producing K2CO3 + O2 + H20. The K2CO3 is still considered a strong base and may still work for suponification for your purposes, but it is not as reactive as KOH. Also only one of the two K's from the K2CO3 is a strong base so only half of it will act as a

Re: [Biofuel] KOH carbonated

2006-02-12 Thread Mike McGinness
Titrate to what end point? Mike McGinness bob allen wrote: make two solutions of the same concentration with the good and questionable KOH. titrate against any standard acid and compare. JJJN wrote: Hello everyone, I just got 50 #s of KOH for next to nothing. It is in flake form

[Biofuel] KOH carbonated

2006-02-11 Thread JJJN
Hello everyone, I just got 50 #s of KOH for next to nothing. It is in flake form but it is carbonated to some extent (unkown). I have some lab grade KOH that is near absolute also. Can anyone give me a complete procedure to make a comparison (Strength %) of one to the other? I want to know