20 ML AMPULE STANDARDS, 1 Case

Borosilicate Glass 20mL Standard Prescored Ampule (Case of 25)             
 
Ampoules with consistent low background counts
Our WHEATON clear ampoules are exemplary for standards packaging,
 
Generally used for conditioning standardized standard solutions
Low potassium content to limit background noise
Manufactured from low potassium borosilicate glass that meets USP Type I and ASTM E 438 Type I, Class A requirements