Hi
Hilgenberg GmBh appears to be the major supplier of glass capillaries.
There are some companies purchasing form Hilgenberg in great quantities
(so to benefit of a light discount) and reselling them in 25 piece
units...but at the end the original supplier is the same.
Regarding properties, you can find absorption coefficients and softening
temperatures of each of your mentioned glass in
http://www.hilgenberg-gmbh.de/en/products/test-tubes/sample-tubes.
Quartz tubes are more expensive and are generally used for high
temperatures.
Then at RT there is the possibility to use Kapton tubes but hey do not
have funnels which is very convenient for filling.
Please feedback to the community if you discover an alternative supplier.
Cheers from Barcelona
Dr. FAUTH Francois Experiments Division
CELLS - ALBA http://www.cells.es
Carrer de la Llum 2-26
08290 Cerdanyola del Vallès, Barcelona (Spain)
Phone/Fax +34 93 592 4325 / +34 93 592 4301
On 11/8/2017 7:23 AM, Davide Levy wrote:
Hi,
Which are the best mark-tubes for diffraction? Borosilicates glass,
soda-lime glass, Lindeman glass or quartz?
which is the best brand?
Thank you
Davide
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