QEC's Method 5035 preserved vials are 40mL Level 3 VOA vials (pre-cleaned to EPA standards, with Certificate of Analysis), with open-top caps and low-bleed 0.125" PTFE/silcone septa. Prepared with label and tamper-evident seal.
Sodium Bisulfate vials contain 5mL of 20% solution organic-free DI water and sodium bisulfate. Tare weighted with stir bars.
Methanol vials are available with 5mL or 10mL of purge and trap grade methanol. Tare weighted, available with or without stir bars.
DI Water vials contain 5mL of organic-free DI water. Tare weighted with stir bars.
Stir Bars can be purchased separately.