Product Description. 1.The 9mm sample HPLC vials can be used on all common autosamplers, preferentially they are found on HTA,Shimadzu,Thermo,Varian, Aijiren Technology, Aglient, etc. 2. 2ml,12*32mm vials are manufactured of Clear,Type 1 Class A or Amber ,Type 1 Class B borosilicate glass and with or without a write-on patch for sample identification.