Re: [ccp4bb] fluorescent pedal

2014-02-14 Thread Richard Gillilan
We've used CdWO4 crystals for years. They are highly radiation resistant and colorless and give VERY bright fluorescence. Saint-Gobain has them in various forms. In principle you can mix your own CdWO4 from CdNO3 and NaWO4 ... under proper conditions you let the solution digest to form microcrys

Re: [ccp4bb] fluorescent pedal

2014-02-14 Thread Scott Classen
Hi Ronnie, We use YAG discs (Yttrium Aluminum Garnet). We buy small 10mm x 100um or 500um thick discs, break them into shards, glue them to various alignment jigs and they provide a very effective X-ray visualization tool. Our latest supplier is Star Tech Instruments (http://www.startechinstrum

[ccp4bb] fluorescent pedal

2014-02-14 Thread Ronnie
I am trying to find out where I can get the fluorescent material (just a small flat piece) I can glue to the tip of a pin for aligning the X-ray beam of our home source. Does anyone know? Thanks in advance! Ronnie