Hardness quality control standard

: Hach

Hardness quality control standard

: Hach

These mixed standards are ready to use with no dilutions required. Includes standards for both total hardness and calcium hardness determination.

Frequently Bought Together

VWR® Dosatest, pH indicator test strips, non bleeding

: VWR Chemicals

Acetone ≥99%, TECHNICAL

: VWR Chemicals

Sodium thiosulphate 0.1 mol/l (0.1 N) in aqueous solution, AVS TITRINORM volumetric solution

: VWR Chemicals

pH indicator papers, MQuant®, Supelco®

: Merck

Test kits, COD cell test, Spectroquant®, Supelco®

: Merck

Tough-Tags® label rolls

: DIVERSIFIED BIOTECH

Sodium hydroxide 0.1 mol/l (0.1 N) in aqueous solution, AVS TITRINORM Reag. Ph. Eur. volumetric solution

: VWR Chemicals

Test strips for peroxide, MQuant®, Supelco®

: Merck

pH electrodes, SenTix® PLUS

: WTW

VWR® Facial Tissues

: VWR Collection

VWR®, Nitrile Gloves

: VWR Collection

pH indicator strips, MQuant®, Supelco®

: Merck

VWR®, Transfer Pipettes, High Performance

: VWR Collection

Sodium chloride, EMSURE® ACS, ISO, Reag. Ph. Eur. for analysis, Supelco®

: Merck

VWR® Rota®, pH indicator paper, 1 to 14

: VWR Chemicals

Acetonitrile, anhydrous (max. 0.003% H₂O) ≥99.95%, HiPerSolv CHROMANORM® Reag. USP, Reag. Ph. Eur., ACS, super gradient grade suitable for UPLC/UHPLC instruments

: VWR Chemicals

Sodium periodate ≥99.0%, AnalaR NORMAPUR® Reag. Ph. Eur., ACS analytical reagent

: VWR Chemicals