Originally Posted by Ian Grant
Shows how much chemistry (& Biochemistry) I've forgotten, I'd just use a pH meter these days
Well, there's a problem there, as it's really hard to measure pH accurately when it gets much above 12.5 or so. You have to start getting special electrodes and the like.
But for MSDS work, it doesn't have to be too precise.
For up from the ashes, up from the ashes, grow the roses of success!