103 Wyniki dla: „lichropur”

Supplier: Merck

2,3-Dihydroxy-biphenyl ≥98.0% (by HPLC), LiChropur™ for GC derivatisation, Supelco®

Supplier: Merck

Pyridine-3-sulphonyl chloride ≥98.0% (by GC), LiChropur™ derivatisation reagent, for HPLC, Supelco®

Supplier: Merck

Orthophosphoric acid ≥85%, LiChropur™ suitable for HPLC, Supelco®

Supplier: Merck

Ammonium dihydrogen phosphate, LiChropur™ for HPLC, Supelco®

Supplier: Merck

Ammonia solution 25%, LiChropur™ for LC-MS, Supelco®

Supplier: Merck

N-(Propionyloxy)succinimide ≥95% (by HPLC), LiChropur™ derivatisation reagent, for LC-MS, Supelco®

Supplier: Merck

Tetrabutylammonium hydrogen sulphate, LiChropur™ for ion pair chromatography, Supelco®

Supplier: Merck

Potassium dihydrogen phosphate, anhydrous ≥99.5% (by acidimetry), LiChropur™ for HPLC, Supelco®

Supplier: Merck

Sulphuric acid 98%, LiChropur™ for HPLC, Supelco®

Supplier: Merck

N,O-Bis-(trimethylsilyl)-trifluoracetamide : chlorotrimethylsilane : 1-(trimethylsilyl)imidazole (BSTFA/TMCS/TMSI) mixture 3:3:2 (v/v/v) silylating mixture III, LiChropur™ for GC derivatisation, Supelco®

Supplier: Merck

O-Ethylhydroxylamine hydrochloride 99.0-101.0% (by argentometric titration), LiChropur™ for GC derivatisation, Supelco®

Supplier: Merck

Dihexylammonium acetate solution 0.5 M in water, LiChropur™ for ion pair chromatography, Supelco®

Supplier: Merck

Trimethylphenylammonium hydroxide solution ∼0,5 M in methanol, LiChropur™ for GC derivatisation, Supelco®

Supplier: Merck

3-Ferrocenylpropionic anhydride ≥98.0% (C basis), LiChropur™ derivatisation reagent, for HPLC, Supelco®

Supplier: Merck

Tetramethylammonium sulphate ≥99.0% (by titrimetric analysis), powder, LiChropur™ for ion pair chromatography, Supelco®

Supplier: Merck

1-Heptanesulphonic acid sodium salt, LiChropur™ for ion pair chromatography, Supelco®

Supplier: Merck

1,1,1,3,3,3-Hexafluoro-2-propanol, LiChropur™ for LC-MS, Supelco®

Supplier: Merck

(+)-1-(9-Fluorenyl)ethyl chloroformate [(+)-FLEC] is a chiral derivatizing reagent. It helps in separating enantiomers of α-amino acids, as well as helps in determining its optical purity using HPLC method.

Supplier: Merck

Acetic acid ≥100%, LiChropur™ for HPLC, Supelco®

Supplier: Merck

Chiral derivatizing agent for alcohols; some methyl substituted primary alcohols which are difficult to separate otherwise, can also be separated.

Supplier: Merck

Diammonium hydrogen orthophosphate 99.0-101.0% (by titrimetric analysis), LiChropur™ for HPLC, Supelco®

Supplier: Merck

O-Methylhydroxylamine hydrochloride 97.5-102.5% (by argentometric titration), LiChropur™ for GC derivatisation, Supelco®

Supplier: Merck

N-Succinimidyl 4-(dimethylamino)benzoate ≥98.0% (by HPLC), LiChropur™ derivatisation reagent, for HPLC, Supelco®

Supplier: Merck

Pentafluorobenzyl bromide ≥98.5% (by GC), LiChropur™ for GC derivatisation, Supelco®

Supplier: Merck

2,2,3,3,3-Pentafluoro-1-propanol ≥98.5% (by GC), LiChropur™ for GC derivatisation, Supelco®

Supplier: Merck

1-Hexanesulphonic acid sodium salt, LiChropur™ for ion pair chromatography, Supelco®

Supplier: Merck

Pentafluorophenylhydrazine may be used as a derivatizing agent in the determination of semi-volatile carbonyl compounds in air and human plasma samples, using high-resolution gas chromatography coupled with gas chromatography (HRGC-MS) and liquid chromatography atmospheric-pressure chemical-ionization mass spectrometry (LC-APCI-MS-MS), respectively.

Supplier: Merck

Ammonia solution 25%, LiChropur™ for HPLC, Supelco®

Supplier: Merck

(R)-(-)-a-Methoxy-a-(trifluoromethyl)phenylacetyl chloride (Mosher’s acid chloride) is generally used as a chiral derivatizing agent.

Supplier: Merck

1-Octanesulphonic acid sodium salt, LiChropur™ for ion pair chromatography, Supelco®