"merck indicators"

Supplier: Merck

Silica gel (7749) with gypsum binder and fluorescent indicator, high purity suitable for thin layer chromatography (TLC), Supelco®

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: Merck

Merck TLC aluminium oxide plates use neutral or basic aluminium oxide of 60 or 150 Å pore size with or without fluorescent indicator to suit different application needs. Under aqueous conditions, basic compounds can be best separated on basic aluminium oxide plates, while neutral compounds are best separated on neutral plates.

Supplier: Merck

TLC plates, unmodified silica gel 60
Merck silica gel 60 has a unique polymeric binder that results in a uniform, hard surface that will not easily crack or blister. This smooth, extremely dense plate coating ensures narrow bands and maximum separation efficiency with the lowest background noise. Layer thickness 250 μm and particle size of 10 to 12 µm. Two inorganic fluorescent indicators for UV detection of colourless substances.

Supplier: Merck

TLC plates, unmodified silica gel 60
This range of plates uses Merck silica gel 60 with a unique polymeric binder that results in a uniform, hard surface that will not easily crack or blister. The smooth, extremely dense plate coating ensures narrow bands and maximum separation efficiency with the lowest background noise. Layer thickness 200 μm and, particle size of 10 to 12 µm. Flexible aluminium plates that can easily be cut to match individual separation requirements. Two inorganic fluorescent indicators for UV detection of colourless substances. Samples which absorb shortwave UV at 254 nm are detected due to fluorescence quenching.

Supplier: Merck

Mixed indicator 5 for ammonia titrations

Supplier: Merck

Test kit, Iodine indicator

Supplier: Merck

Sicapent is a granular dessicant comprising ~75% phoshorus pentoxide on an inert inorganic carrier.

Supplier: Merck

* Green fluorescent indicator

Supplier: Merck

ASTM(R) D4815 Valve Timing Mix, Supelco®, (each component at the nominal wt% indicated)

Supplier: Merck

Lead (II) acetate paper is used for the determination of sulphide and hydrogen sulphide.

Supplier: Merck

ASTM(R) D4815 Qualitative Peak ID Mix, Supelco®, (each component at the nominal wt% indicated)

Supplier: Merck

Potassium iodine paper is used for the determination of oxidising agents.

Supplier: Merck

Organic Standard, Monosaccharides kit, 1 kit

Supplier: Merck

Organic Standard, Sugar alcohol kit

Supplier: Merck

Test kit, Indicator buffer tablets