"Analytical Standards"

Supplier: SIGMA ALDRICH MICROSCOPY

Propionaldehyde 2,4-dinitrophenylhydrazone analytical standard, for environmental analysis, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Acetaldehyde 2,4-dinitrophenylhydrazone analytical standard, for environmental analysis, Sigma-Aldrich®

Supplier: Merck

Aqueous suspension, 2% solids, Partikelstørrelse: 20,0 µm, Nøjagtighed: std dev <0,4 µm, Analytical standard

Supplier: Merck

2,6-Di-tert-butyl-p-cresol analytical standard, Supelco®

Supplier: Merck

Melamine-¹³C₃ may be used as an analytical standard for the determination of melamine in milk powder samples by liquid chromatography-electrospray ionisation-isotope dilution mass spectrometry (LC-ESI-IDMS).

Supplier: Thermo Fisher Scientific

2-Mercaptoethanesulphonic acid sodium salt (mesna) 98% analytical standard

Supplier: Merck

These analytical standards are suitable for HPLC and gas chromatography. Mutil component solution with a concentration of 0,5 μg/ml B2 and G2 in acetonitrile and 2 μg/ml B1 and G1 in acetonitrile.

Supplier: Merck

Aqueous suspension, 10% solids, Partikelstørrelse: 20 µm, Nøjagtighed: std dev <0,3 µm, Analytical standard

Supplier: Merck

Color Reference Solutions acc. to USP, analytical standard, Supelco®, Pk Info: Set of 20 x 2 ml (20 standard solution)

Supplier: CPACHEM

Organic Standard, Analytical standard, nicarbazin, reference material

Supplier: Merck

Aqueous suspension, 10% solids, Partikelstørrelse: 8 µm, Nøjagtighed: std dev <0,15 µm, Analytical standard

Supplier: Merck

GPC Standard, Polystyrene, average Mw 290000 (typical), average Mn 130000 (typical), Supelco®, Analytical standard

Supplier: Merck

Particle suspension 10% solids, Partikelstørrelse: 60 µm, Nøjagtighed: std dev <2 µm, Analytical standard

Supplier: Merck

GPC Standard, Poly(dimethylsiloxane), average Mw 95000 (Typical), average Mn 50000 (Typical), Supelco®, Analytical standard

Supplier: Merck

Organic Standard, Alkylphenol Target Analyte Mix solution for DIN EN ISO 18857-2

Supplier: Merck

4-Methyl-1H-benzotriazole is an additive in formulated aircraft deicing and anti-icing fluids (ADAFs) mixture. It was used as analytical standard for a study demonstrated to determine benzotriazoles and benzothiazoles in human urine samples using LC- ESI(+)MS/MS.