Asbestos - 100mm WR

Do you reckon I could see if asbestos is in an Artex ceiling using the 100mm WR?

Fragment of the ceiling of course...

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I know a sample could be sent off for 25 quid.

I think the concentration in such ceilings is about 1% if present and that with adequate prep/precuations (mask,googles,suit and a special water based chemical to stop fibre release) it should be OK to remove.

Asbestos is typed under crossed polarisers at a mag of about 400x.

Ah ok.. thats kinda what I was after.. so probably no in a word

I came across this.. but this is a completely different situation




http://www.pentaxforums.com/forums/122-lens-clubs/129563-macro-lens-club-119.html

Scroll down a bit...

From the US forum using a 50mm sigma macro apparently

That looks like the natural crystal

Ceiling might be harder to see, because embedded..

yup, you're looking for individual fibres in a substrate.