You Searched For: Merck VARLP110617ACRO00030

Supplier: Merck

Description: Ammonium peroxodisulphate (APS), EMSURE® ACS, Reag. Ph. Eur. analytical reagent, Supelco®

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Supplier: Merck

Description: Sodium azide for synthesis, Sigma-Aldrich®

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Supplier: Merck

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

Supplier: Merck

Description: Triethyl phosphite ≥97.0% (by GC) for synthesis, Sigma-Aldrich®

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Supplier: Merck

Description: Sodium hydroxide 30% in aqueous solution, Suprapur® for trace analysis, Supelco®

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Supplier: Merck

Description: Fast method development of complex samples across the pH range from 1,5 to 10,5 with different mobile phases and temperature conditions.
Purospher® STAR RP-18 endcapped HPLC columns are designed for universal use. Basic, neutral and metal-chelating compounds can easily be separated with simple mobile phases – naturally without peak tailing. Thanks to its outstanding performance and stability, Purospher® STAR RP-18 endcapped offers maximum flexibility in method development. Robust methods can be developed over the entire pH range from 1,5 to 10,5. High pH-stability allows the separation of strongly basic compounds with alkaline eluents. The combination of high purity silica, best all-round retention characteristics, outstanding pH stability up to pH 10,5, and suitability for up to 100% aqueous mobile phases, make Purospher® STAR RP-18 endcapped an all-round top performance column, almost universal in its range of applications.

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Supplier: Merck

Description: 2,3-Dimercapto-1-propanol for synthesis, Sigma-Aldrich®

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Supplier: Merck

Description: Potassium sulphate, EMSURE® Reag. Ph. Eur., ACS, ISO analytical reagent, Supelco®

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Supplier: Merck

Description: Nitrogen (total) standard solution, Supelco®, 12,0 mg/L N, Matrix: H₂O, For test kit(s): 1.00613; 1.14537; 1.14763, pH range: 5 - 7

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Supplier: Merck

Description: Na₂SO₄ in H₂O

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Supplier: Merck

Description: Diphenylboric acid-2-aminoethyl ester (2-APB) ≥98.0% for synthesis, Sigma-Aldrich®

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Supplier: Merck

Description: Purospher® STAR Phenyl HPLC columns show an enhanced selectivity compared to standard alkyl phases. They are the first alternative to RP-8 or RP-18 selectivities for separation of aromatic compounds, fatty acids, purines and pyrimidines due to π-π interactions. The new Purospher® STAR Phenyl columns are based on high purity silica particles providing symmetrical peaks for basic compounds, high stability and excellent reproducibility.

Supplier: Merck

Description: Glycofural, Sigma-Aldrich®

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Supplier: Merck

Description: Materials for the precise calibration and monitoring of pH instruments.

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Supplier: Merck

Description: Diethylamine for synthesis

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Supplier: Merck

Description: Monolithic silica technology: A new age in chromatography. Chromolith® columns are based on silica so existing methods can be easily transferred with only minimal investment in new method development work. 'Sol-Gel' technology allows highly porous monolithic rods of silica to be formed. These feature a bimodal pore structure provides a unique combination of macropores and mesopores.

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