60581 Results for: "Polyethylene+glycol+monomethyl+ether&pageNo=8"

Supplier: Merck

Reagent for Fluoride, Zirconium, Thorium

Supplier: Merck

Purospher® RP-18 is designed for the separation of problematic basic compounds with simple neutral eluents. In addition Purospher® RP-18 allows the separation of hydrophilic compounds with aqueous mobile phase. Purospher® RP-18 is based upon a high purity, metal-free silica. The multi-step chemical modification and deactivation of the surface, and the polar endcapping, enables a peak-tailing-free elution of basic and chelating compounds. Purospher® RP-18 is not suitable for the separation of acidic compounds. The good chemical stability of Purospher® RP-18 enables the use of mobile phase conditions at pH 8 for a long period of time.

Supplier: Merck

In addition to the traditional 5 g Kjeldahl tablets, which are added as catalysts to the digestion mixture, Merck Millipore can offer the 3,5 g tablet. This gives the flexibility needed to find the optimal setting for the catalyst/sulphuric acid ratio.

Supplier: Merck

LiChrospher®, LiChrospher® 100 RP-18, 5 µm, 06

Supplier: Merck

4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane (Kryptofix® 221) ≥98% for synthesis, Sigma-Aldrich®

Supplier: VWR Chemicals

Ethylene glycol ≥98%, TECHNICAL

Supplier: VWR Chemicals

Toluene ≥98%, TECHNICAL

Supplier: HEATHROW

Pipette rack made of blue ABS plastic.

Supplier: VWR Chemicals

Sodium hypophosphite monohydrate ≥98%, GPR RECTAPUR®

Supplier: Bohlender

PTFE

Supplier: VWR Collection

Borosilicate glass 3,3, clear.

Supplier: VWR Chemicals

Trisodium phosphate dodecahydrate ≥98%, TECHNICAL

Supplier: BURKLE

PET, crystal-clear.

Supplier: DWK Life Sciences

PP with seal from TPE.

Supplier: Corning

Track-etched PET membranes have a smooth surface and defined cylindrical pores that traverse the membrane.

Supplier: MARIENFELD

These cover glasses are made of borosilicate glass D 263™ M of the hydrolytic class 1.

Supplier: Sartorius

Minisart® NY with hydrophilic polyamide (nylon) is optimised for aqueous liquids and solvents with a pH of 3 to 14. Type 17845 with a pore size of 0,2 µm can be used for sample preparation and sterile filtration. It has a male Luer slip outlet and version ACK is individually packed and sterilised by ethylene oxide (EO).

Supplier: VWR Collection

Natural cork, A1 quality.

Supplier: VWR Collection

Borosilicate 3.3 glass.

Supplier: Avantor

Avantor® Partisil® was one of the first commercially available irregular silicas with a large surface area giving it a high loading capacity.

Supplier: Bohlender

Screw cap made of PPS, with handy knurl and integrated PTFE/silicone gasket.

Supplier: Merck

The Merck TLC sprayer allows derivatisation reagents to be sprayed homogeneously onto developed chromatograms. It is equipped with two different spray heads, (0,8 and 1,25 mm), that are optimised for low and high viscosity solutions respectively. The electro-pneumatically operated sprayer uses compressed air-driven by accumulator power and inductive charging.

Supplier: VITLAB

PP, translucent.

Supplier: VWR Collection

PP, translucent.

Supplier: Thermo Fisher Scientific

PS medium chamber on glass slide. PS lid.

Supplier: VWR Chemicals

Chloramine-T (sodium salt) trihydrate ≥98% (by iodometry), GPR RECTAPUR®

Supplier: VWR Chemicals

Methanesulphonic acid ≥98%, TECHNICAL

Supplier: VWR Chemicals

Nitric acid 68%, TECHNICAL

Supplier: Spectrum Laboratories

MWCO 1 to 50 kD, hydrophilic cellulose.

Supplier: Merck

Quick tests, visual colour comparison.