18312 Resultaten voor: "LGC Standards PROMOCHEM"

Supplier: LGC Standards PROMOCHEM

Fumaric acid

Supplier: LGC Standards PROMOCHEM

Methyl-4-hydroxybenzoate sodium salt

Supplier: LGC Standards PROMOCHEM

Organic Standard, Bromochloromethane 2,000 µg/ml in methanol

Supplier: LGC Standards PROMOCHEM

Riboflavine (vitamin B2)

Supplier: LGC Standards PROMOCHEM

Purity estimate obtained by quantitative NMR against an internal standard of dimethyl sulphone is 84,6 ± 1,5% mass fraction, (95% coverage interval). Supporting evidence is provided by HPLC with UV detection, Karl Fischer analysis and theromogravimetric analysis.

Supplier: LGC Standards PROMOCHEM

Benzyldimethylhexadecylammonium chloride

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2,6-Di-tert-butyl-p-cresol

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Clioquinol

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5-Chloro-2-(methylamino)benzophenone

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Gemfibrozil

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Streptomycin sulphate

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Toluene-2-sulphonamide

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Tributyl citrate

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Isobutyl-4-hydroxybenzoate

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2-(tert-Butylamino)-4'-chloropropiophenone hydrochloride

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Naphthalene

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4-Hydroxybenzaldehyde

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Organic Standard, Ergocalciferol (Vitamin D2, Calciferol), Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

Viscometry Standards, S600, Pack type: Glass bottle

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4,4'-TDE

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Prednisolone

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2'-Benzoyl-2,4'-dichloroacetanilide

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',5,5'-Tetrachlorobiphenyl (PCB No. 52) 35 µg/ml in isooctane, Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

2,2',3,4-Tetrachlorobiphenyl (PCB No. 41)

Supplier: LGC Standards PROMOCHEM

2,2'-Dichlorobiphenyl (PCB No. 4)

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O-Acetylsalicylic acid

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a certified reference material and calibration standard for the analysis of sulphur in various petroleum products using x-ray fluorescence spectrometry (XRF), combustion and other techniques for sulphur analysis. It is suitable for use with methods such as ASTM D2622, D4294, D5453, D7039, D7212, D7220 and others.

Supplier: LGC Standards PROMOCHEM

3-(3,4-Dihydroxyphenyl)-L-alanine

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4-Nitrotoluene

Supplier: LGC Standards PROMOCHEM

Organic Standard, 1-Chloro-1,1-difluoroethane 100 µg/ml in methanol