LadyKate <ladykate@[EMAIL PROTECTED]
> fired this volley in
news:3cc3e7ed-cc6c-4a55-af14-ae11e818305c@[EMAIL PROTECTED]
> On Apr 28, 7:33 am, "Lloyd E. Sponenburgh"
> <lloydspinsidemindspring.com> wrote:
>> LadyKate <ladyk...@[EMAIL PROTECTED]
> fired this volley
>> innews:930c9c99
> -981f-4913-9987-08fc387b8709@[EMAIL PROTECTED]
>>
>> > ???
>>
>> Kate, catalysts speed or facilitate reactions. They do not slow
>> them.
>>
>> You added an inert refractory substance, already "burned" as far as
>> it will ever be, in order to moderate the burn rate of another
>> substance.
>>
>> It's a "burn rate modifier", or a "plegmatizer", not a catalyst.
>>
>> LLoyd
>
> Ahhh.. ok. However, they were tested as catalysts - and in that
> category they proved themselves inferior. I was citing the testing -
> TiO2 is also a good phlegmatizer in that case.
>
> Interestingly, over the weekend, I tested letharge as a catalyst. I
> had wanted to test it much earlier but I had a hard time finding the
> stuff. With just 1% added, the whistle would cycle like a strobe -
> usually blowing itself out quite quickly. I think it qualifies as the
> most dramatic of the 'catalysts that aren't'.
Since litharge is a good high-temperature oxidizer, I wouldn't include it
among refractory oxides.
LLoyd


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