COD calibration standard solutions (NIST traceable)
Supplier: Hach
Certificates
Frequently Bought Together
BD Microlance™ 3 Needles
Supplier: BD Medical
Reagents for Karl Fischer titrations, Aquastar®, Supelco®
Supplier: Merck
Nitrogen (total) CRM, Standard Solutions, Supelco®
Supplier: Merck
Wipes for delicate tasks, Kimtech™ Science
Supplier: KIMBERLY CLARK
VWR®, Magnetic stirring bars, cylindrical
Supplier: VWR Collection
VWR® AVS TITRINORM Buffer Solutions, 20 °C
Supplier: VWR Chemicals
VWR®, Short Thread Vials ND9
Supplier: VWR Collection
Sodium hydroxide 2 mol/l (2 N) in aqueous solution, AVS TITRINORM volumetric solution
Supplier: VWR Chemicals
Glass beads
Supplier: Merck
2,3,5-Triphenyltetrazolium chloride (TTC), TECHNICAL
Supplier: VWR Chemicals
Tetrahydrofuran ≥99.9% unstabilised, HiPerSolv CHROMANORM® for HPLC
Supplier: VWR Chemicals
Ubbelohde viscometers (DIN)
Supplier: SI Analytics
COD photometric test kits, Test’n Tube
Supplier: Hach
Orthophosphoric acid 85-90% for HPLC, Fluka™
Supplier: Honeywell Chemicals
Reagents for water determination by the Coulometric Titration Karl Fischer method, Hydranal™
Supplier: Honeywell Chemicals
pH Buffer solutions
Supplier: Hach
General purpose thermometers, simple type
Supplier: Amarell