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ProntoSOLV Solvents, respectively mobile phases, play a key role in any HPLC application. Contaminants may accumulate and block the column head. Free acids or bases may decrease the lifetime of the column. UV-absorbing contaminants and dissolved gases can result in a noisy and drifting baseline. High purity solvents are the basic requirement for optimized HPLC applications.  Pretreatment and destillation ProntoSOLV solvents are produced from the best raw material only: Prior to the final destillation process the selected solvents are treated by various chemical cleaning procedures. The destillation process takes place in special glass columns. Then, the destilled solvents are stored under a nitrogen atmosphere to prevent any oxidative degradation. Special attention has been given to the packaging and bottling of the solvents. All purified solvents are filtered through a 0.2 µm PTFE membrane in a nitrogen or argon atmosphere and filled into containers for transport.  All solvents undergo quality control before certification  · Maximum UV transmission  · Minimum content of non-volatile matter  · Minimum water, free acid and free base content  · Ideal for fluorescence and electrochemical detection  Available Solvents Qualities: P: Preparative Quality R: Isocratic Quality G,S: Gradient Quality SG: Supra-gradient Quality    Solvent Part-No. unit units/pck  · Acetonitrile HPLC-P SOL.00010.2501 SOL.00010.2504 SOL.00010.5001 2.5 l 2.5 l 5.0 l 1 4 1  · Acetonitrile HPLC-R SOL.00011.1001 SOL.00011.1006 SOL.00011.2501 SOL.00011.2504 1.0 l 1.0 l 2.5 l 2.5 l 1 6 1 4  · Acetonitrile HPLC-G SOL.00012.1001 SOL.00012.1006 SOL.00012.2501 SOL.00012.2504 1.0 l 1.0 l 2.5 l 2.5 l 1 6 1 4  · Acetonitrile HPLC-SG      available from Stock!  · Click here to inquire! SOL.00013.1001 SOL.00013.1006 SOL.00013.2501 SOL.00013.2504 1.0 l 1.0 l 2.5 l 2.5 l 1 6 1 4  · Dichloromethan HPLC-G SOL.00020.2501 SOL.00020.2504 2.5 l 2.5 l 1 4  · n-Heptane HPLC-G SOL.00030.1001 SOL.00030.1006 SOL.00030.2501 SOL.00030.2504 1.0 l 1.0 l 2.5 l 2.5 l 1 6 1 4  · n-Hexane HPLC-S SOL.00040.1001 SOL.00040.1006 SOL.00040.2501 SOL.00040.2504 1.0 l 1.0 l 2.5 l 2.5 l 1 6 1 4  · Methanol HPLC-SG SOL.00050.2501 SOL.00050.2504 2.5 l 2.5 l 1 4  · Isopropanol HPLC-G SOL.00060.2501 SOL.00060.2504 2.5 l 2.5 l 1 4  · Tetrahydrofuran HPLC-S SOL.00070.1001 SOL.00070.1006 1.0 l 1.0 l 1 6  · Toluene HPLC-G SOL.00080.1001 SOL.00080.1006 1.0 l 1.0 l 1 6  · Water HPLC-G Glas bottle SOL.00090.2501 SOL.00090.2504 2.5 l 2.5 l 1 4  · Water HPLC-G Plastic bottle SOL.00091.2001 SOL.00091.2006 2.0 l 2.0 l 1 6