66612 výsledků pro: "Silica Flour"

Supplier: Merck

Silikagel pore size 60 Å, 200-425 mesh particle size, technická kvalita, Supelco®

Supplier: Merck

Silikagel pore size 60 Å, 5-25 μm particle size, without binder, high purity suitable for thin layer chromatography (TLC), Supelco®

Supplier: OMEGA BIO-TEK

Solution 3, neutralisation buffer for silica spin column methods

Supplier: VARIAN

The fused silica retention gaps has three different polarities, uncoated for universal applicability. Dimensions equal to 0,53 mm int. Ø fused silica provide easy installation.

Supplier: Thermo Fisher Scientific

This TLC high purity grade silica gel without binder, with fluorescent indicator is used for thin layer chromatography plate preparation.

Supplier: Thermo Fisher Scientific

Thermo Scientific™ HyperSep Silica SPE 96-Well Plates and Individual Wells feature a polar sorbent primarily used to retain analytes in non polar matrices, and can effectively separate compounds of very similar structure.

Supplier: Merck

Selection of standardised and modified silica gels that are available in many granulations and supplied from one single source, dedicated to chromatography. Standardised silica gels are widely used in separation processes to purify valuable compounds in ton quantities.

Supplier: Lovibond

CHECKIT® Comparator is a compact and handy colorimetric unit which is suitable for both mobile and static analysis work. Supplied with a generous number of different colour scales, it provides the basis for a comprehensive, easy-to use colorimetric analysis system.

Supplier: Bohlender

Silica gel with colour indicator.

Supplier: Merck

Ascentis® Silica HPLC columns for the classic use in normal phase HPLC.

Supplier: VWR Collection

These HPTLC glass plates have an excellent separation efficiency due to an optimised particle size distribution.

Supplier: VWR Collection

These TLC glass plates have an excellent separation efficiency due to an optimised particle size distribution.

Supplier: MACHEREY-NAGEL

Diol-modified HPTLC silica layers available as glass plate with fluorescent indicator. Recommended for steroids, pesticides and plant constituents;
for critical separations an alternative to silica, since it is less sensitive to the water content of the environment; leads to more reproducible results compared to silica.

Supplier: Thermo Fisher Scientific

This TLC high purity grade silica gel with gypsum binder and fluorescent indicator is used for thin layer chromatography plate preparation.

Supplier: Merck

Used for ammonium stabilising counterion.

Supplier: Merck

Silikagel, Supelco®

Supplier: Merck

Silikagel, Pore size: 100 Å 70-230 mesh, high purity for column chromatography, Supelco®

Supplier: Thermo Fisher Scientific

Silikagel, granules -6+12 mesh desiccant

Supplier: Merck

Silikagel, Pore size: 60 Å 220-440 mesh, high purity for flash chromatography, Supelco®

Supplier: Merck

Silikagel pore size 60 Å, 2-22 μm particle size distribution, without binder, high purity suitable for thin layer chromatography (TLC), Supelco®

Supplier: Merck

Silikagel (7734) pore size 60 Å, 70-230 mesh, high purity, Supelco®

Supplier: Avantor

Ty se používají v nízkotlaké preparativní chromatografii. Specifikace sít zajišťuje, že v produktu není žádný přebytek jemných částic, které by mohly ovlivnit průtok a výkon separace.

Supplier: UPCHURCH SCIENTIFIC

Upchurch Scientific®, Maintenance kit to replace a worn or damaged cutting wheel

Supplier: Hach

These are used for determination of Ultra Low Range silica by the Heteropoly Blue Rapid Liquid method. Rapid Liquid™ methods offer an economical way to analyse multiple samples and to measure trace concentrations.

Supplier: Bohlender

Boxy exsikační, SICCO, Silica gel, 23 g, Ø×H 41×45 mm

Supplier: Thermo Fisher Scientific

Polyethyleneimine, on silica beads 20-40 mesh anion exchange resin

Supplier: Avantor

Náplňový materiál pro nízkotlakou preparativní a flash chromatografii Chemicky stabilní při pH 2 na 8,5. Nepoškozuje je použití čisticích a antimikrobiálních prostředků, např. azid sodný, zředěné vodné roztoky kyseliny trifluoroctové a kyseliny octové, organická rozpouštědla, např. methanol a acetonitril, a koncentrované vodné roztoky solí a močoviny. Náplně obsahují částice nepravidelného tvaru.

Supplier: Merck

PLC (Preparative Layer Chromatography) plates are based on the same proven Merck silica-binder technology as analytical TLC plates. Plates are available with layers of unmodified silica gel or RP-18 modified silica gel in several layer thicknesses, ranging from 500 to 2000 µm, with or without fluorescent indicator.

Supplier: Thermo Fisher Scientific

This unbonded, highly pure, base-deactivated silica media efficiently separates non polar and moderately polar organic compounds by normal phase chromatography.

Supplier: Hach

Qualitative results using traditional colour comparator disc methods.