Using a Spoon to measure Caustic Soda?? - diyAudio
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Old 18th September 2005, 11:55 AM   #1
yehuda is offline yehuda  Israel
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Default Using a Spoon to measure Caustic Soda??

I want to develope a positive pcb using caustic soda. From reading the forum here, it seems about 10 - 14 grams per litter is about correct for developement without removing the exposed traces.

the problem is that I do not have access to a scale. I would like to know in terms of "spoon units (tea or table)" what would be approxiamately the correct amount?

I realize that at best it is an approximation.


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Old 19th September 2005, 06:31 AM   #2
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Hrm, two level teaspoons? Just guessing, I'd have to go weigh it...(and my lab is humid so I don't feel like getting out the lye! ).

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