6321 výsledků pro: "Analytical Standards"

Supplier: Merck

Aqueous suspension, 2% solids, Velikost částic: 20,0 µm, Přesnost: std dev <0,4 µm, Analytical standard

Supplier: Merck

Clear, colorless fluid polymer useful as a stationary phase in gas chromatography and as an anti-foaming agent.

Supplier: Merck

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

Supplier: Merck

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

Supplier: Merck

Aqueous suspension, 10% solids, Velikost částic: 8 µm, Přesnost: std dev <0,15 µm, Analytical standard

Supplier: Merck

Particle suspension 10% solids, Velikost částic: 1 µm, Přesnost: std dev <0,2 µm, Analytical standard

Supplier: Merck

Aqueous suspension, 10% solids, Velikost částic: 20 µm, Přesnost: std dev <0,3 µm, Analytical standard

Supplier: Honeywell Chemicals

Organic Standard, Paraben target analyte mix solution, 10 μg/ml in acetone, Typ balení: Glass Bottle

Supplier: Merck

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

Supplier: Merck

EPA 8040A Phenol Calibration Mix, Supelco®, Analytical standard, 500 mug/mL each component in isopropanol, : N/A

Supplier: Merck

Aqueous suspension, 2,5% solids, Velikost částic: 1 µm, Přesnost: std dev <0,1 µm, Analytical standard

Supplier: Merck

EPA 625 Semivolatile Calibration Mix, Supelco®, Analytical standard, 1000 mug/mL each component in methylene chloride: benzene (3:1), : N/A

Supplier: Merck

GPC Standard, Poly(vinyl chloride), average Mw 85000 (Typical), average Mn 40000 (Typical), Supelco®, Analytical standard

Supplier: Merck

TOC standard, Supelco®, Analytical standard, 1000 ±10 mg/l

Supplier: Merck

MISA Group 23 Chlorinated Hydrocarbon Mix, Supelco®, Analytical standard, 2000 mug/mL each component in dichloromethane, : N/A

Supplier: Merck

Aqueous suspension, 2,5% solids, Velikost částic: 3 µm, Přesnost:  std dev <0,2 µm, Analytical standard

Supplier: Merck

GPC Standard, Poly(lauryl methacrylate) solution, Mw 570000 (Typical), average Mn 290000 (Typical), Supelco®, 25 wt. % in toluene, Analytical standard

Supplier: Merck

Reserpine is a 36 carbon indole alkaloid mostly used as a tranquilizing agent in medicine. It is mostly used as drug for hypertension.

Supplier: Merck

GPC Standard, Poly(butyl acrylate) solution, Mw 60000 (Typical), average Mn 20000 (Typical), Supelco®, 25 wt. % in toluene, Analytical standard

Supplier: Honeywell Chemicals

High quality inorganic and organic reference materials produced according to ISO 9001.

Supplier: Merck

Aqueous suspension, 2,5% solids, Velikost částic: 10 µm, Přesnost: std dev <0,15 µm, Analytical standard

Supplier: Merck

Testosterone enanthate, analytical standard, Supelco®

Supplier: Merck

They are used in HPLC and gas chromatography.

Supplier: Merck

Nicarbazin, analytical standard, VETRANAL™, Supelco®

Supplier: Merck

Organic reference standard, Methyl tetracosanoate, analytical standard, Supelco®

Supplier: Merck

Zearalenone-¹³C₁₈ may be used as an analytical standard for the determination of zearalenone in animal feed by liquid chromatography combined with tandem mass spectrometry (LC-MS/MS).

Supplier: Thermo Fisher Scientific

Organic Standard, Norfloxacin 98%, Typ balení: Glass bottle

Supplier: Merck

The standard solutions offered below can be adjusted to a final concentration for the measurement range of a test system by dilution. In addition, these standards can be used to prepare spiking solutions for the standard addition procedure. They provide an economic and simple method of analytical quality control.

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: 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.