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.

Environmentally Preferable:

Frequently Bought Together

Acetone ≥99%, TECHNICAL

: VWR Chemicals

Ammonia solution 25%, EMSURE® ISO, Reag. Ph. Eur. for analysis, Supelco®

: Merck

Sodium hydroxide, pellets, EMSURE® for analysis, Supelco®

: Merck

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

: Merck

Sodium hydroxide, pellets, pure, Supelco®

: Merck

VWR® Facial Tissues

: VWR Collection

VWR®, Nitrile Gloves

: VWR Collection

VWR® AVS TITRINORM Buffer Solutions, 20 °C

: VWR Chemicals

Water, HiPerSolv CHROMANORM® for HPLC

: VWR Chemicals

Methanol ≥99.8%, HiPerSolv CHROMANORM® Reag. Ph. Eur., gradient grade for HPLC

: VWR Chemicals

Test strips, nitrate/nitrite, Dosatest

: VWR Chemicals

Sodium hydroxide 1 mol/l (1 N) in aqueous solution, AVS TITRINORM Reag. Ph. Eur., Reag. USP, NF volumetric solution

: VWR Chemicals

VWR® Dosatest, pH indicator test strips, non bleeding

: VWR Chemicals

Sulphate standard solution, concentrate, 1000 mg SO₄, Titrisol®, Supelco®

: Merck

Magnetic stirring bar retrievers, Corning®

: Corning

VWR®, Transfer Pipettes, High Performance

: VWR Collection

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

: VWR Chemicals