Vials suitable for storing samples prepared for analysis. Since the cap part is transparent commonly grounded (outer plug 29/20, inner plug 15/20), it is highly sealable and it is possible to keep the solution concentration constant even when using a solvent with a relatively low boiling point I can do it. Borosilicate glass is also used as a material, there is also no influence on the sample, there is also a brown bottle for samples requiring light shielding. Please use it according to the application.
· Please save it in a cool dark place as much as possible.
· When closing the lid, turn it gently by turning it half turn and close it.