cheap certified 15mL cod digestion vials with flat bottom
Autosampler Vials,Headspace Vials,Chromatography Vials
Aijiren focus on autosampler vials with caps,hplc vials,headspace vials since 2001 Flat Bottom Micro Insert for HPLC Vials … 15ml COD Test Tube Glass.
labglassware_catalogue_2021.pdf – BOROSIL
Dishes, Evaporating, Flat Bottom,With Pour Out 3180 The COD Digestion Unit is used for determination of Chemical Oxygen Demand in effluents.
COD Digestion Vials, Low Range, pk/150 | Hach USA
Hach’s USEPA-approved dichromate COD ...