Combined density and refractometry standards

These combined reference standards are intended to reduce uncertainty, eliminate time-consuming and error prone sample transfer and facilitate fully automatic performance verification.

Product Family Options

BOD calibration standards, (CRM), Supelco®

#: BOD2000-500ML

: Merck

Reagents for water determination by the Coulometric Titration Karl Fischer method, Hydranal™

#: 34726-500ML

: Honeywell Chemicals

HPLC columns, Hypersil™ ODS C18

#: 555-6152

: Thermo Fisher Scientific

Aluminon ACS

#: ACRO401500250

: Thermo Fisher Scientific

Ammoniumdiwaterstoffosfaat, LiChropur™ for HPLC, Supelco®

#: 5.43837.0250

: Merck

Sodium carbonate decahydrate, EMSURE® ISO, Reag. Ph. Eur. for analysis, Supelco®

#: 1.06391.1000

: Merck

Thioaceetamide ≥99.0% analytical reagent

#: 28603.137

: VWR Chemicals

Reagentia voor Karl Fischer titraties, Aquastar™, Supelco®

#: 1.88011.1000

: Merck

VWR®, Testzeven, 203×32 mm

#: 510-0866

: VWR Collection

HPLC-kolommen, LiChrospher®

#: 1.50329.0001

: Merck

Syringes, FORTUNA® OPTIMA®, Luer tip

#: 612-0314

: Poulten & Graf

Mierenzuur 98 - 100% 98-100%, LiChropur™ for LC-MS, Supelco®

#: 5.33002.0050

: Merck

Standaardoplossingen voor geleidbaarheid

#: 84134.230

: VWR Chemicals

Weegschuitjes voor eenmalig gebruik, VWR®

#: 611-1994

: VWR Collection

Methanol ≥99.9% (by GC), LiChrosolv® Reag. Ph. Eur., gradient grade for liquid chromatography, Supelco®

#: 1.06007.1000

: Merck

Iodine monochloride

#: 39104.14

: Thermo Fisher Scientific

Accessories for BOD apparatus, BODTrak™II

#: HACH2962266

: Hach

2,2,4-Trimethylpentane 99+% ACS

#: 31787.K2

: Thermo Fisher Scientific

1,4-Benzoquinone

#: EHERC10537000

: EHRENSTORFER

Turbidity calibration standards, formazin, Supelco®

#: TURB50-100ML

: Merck

Sodium hydrogen carbonate 99.7+% ACS

#: ACRO424270250

: Thermo Fisher Scientific

Turbidity standards, low range 20 to 100 NTU

#: REGECRSR-50-100

: REAGECON

Methyl arachidate 99%

#: ACRO452820010

: Thermo Fisher Scientific

Tetramethylammonium hydroxide 25% (w/w) in aqueous solution , 99,9999% (metals basis), Electronic Grade

#: 20932.AK

: Thermo Fisher Scientific