Standard for Karl Fischer oven check (water content ∼5.0%, exact value on report of analysis)

Bottles of 99.5%-pure TFA (MW 114.02, CAS 76-05-01) liquid (sold by weight); for HPLC use as an ion-pairing agent in reverse-phase peptide separations.

Medium for volumetric one-component Karl Fischer titration in aldehydes and ketones (methanol free)

CAS: 7732-18-5 Formula molecolare: H2O Molecular Weight (g/mol): 18.015 Numero MDL: 11332 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Sinonimo: dihydrogen oxide, dihydrogen monoxide PubChem CID: 962 ChEBI: CHEBI:15377 IUPAC Name: oxidane SMILES: O

Drying agent for air and gases for Karl Fischer titration

CAS: 75-12-7 Formula molecolare: CH3NO Molecular Weight (g/mol): 45.04 Numero MDL: MFCD00007941 InChI Key: ZHNUHDYFZUAESO-UHFFFAOYSA-N PubChem CID: 713 ChEBI: CHEBI:48431 IUPAC Name: formamide SMILES: NC=O

Bottles and ampules of 99.5%-pure HFBA (MW 214.04, CAS 375-22-4), valid for use as an ion-pairing agent in reverse-phase peptide separations (HPLC).

Single-component reagent; Pyridine free

Greatly extends the practical range of GC, improving chromatographic results in the silylation of sugars and related substances.

Anolyte for coulometric Karl Fischer titration (ethanol-based), for cells with and without diaphragm

A sequencing-grade preparation with high purity and consistent absorptivity properties for use in HPLC and mass spectrometry methods.

Specifica per il rapporto segnale/rumore unica per l'industria chimica dove la qualità del solvente è direttamente collegata alla sensibilità dello spettrometro di massa.

CAS: 12125-02-9 Formula molecolare: ClH4N Molecular Weight (g/mol): 53.489 InChI Key: NLXLAEXVIDQMFP-UHFFFAOYSA-N PubChem CID: 25517 ChEBI: CHEBI:31206 IUPAC Name: azanium;chloride SMILES: [NH4+].[Cl-]

Medium for volumetric one-component Karl Fischer titration in aldehydes and ketones (methanol free).

High quality chemicals for laboratory and specialized industrial use