Yamazenusa

Technical Bulletins

"Eco-friendly and most efficient prep runs"

• No.101: New solvent systems can be made to order for Yamazen automatic method setting
• No.100: Medium pressure flash chromatography achieves a better separation than HPLC in reverse phase preparative chromatography
• No.99: Separation in reverse phase completes with one chromatography
• No.98: Elution Position Controllable Even If Flow Rate Is Doubled or Tripled
• No.97: Samples dissolved in highly polar solvents can be well separated.
• No.96: "Sample Separation with High Resolution 30μm ODS Column Chromatography of Chlorogenic acids and Caffeine in Coffee"
• No.95: A clear chromatogram can be depicted even for a high UV absorbance sample.-Scroll function-
• No.94: TLC image of the synthesis reaction recorded
• No.93: Good sample separations can be consistently achieved.
• No.92: Comparison of Column Performance -Yamazen & Other manufacturer
• No.91: Now, A Solvent System of Ethyl Acetate/Methanol Can Be Used when Separating A Sample by Automatic Method Setting by α-mode.
• No.90: Comparison of Column Performance between Yamazen and Other Manufacturer
• No.89: "Efficient Separation of Natural Plant Extracts by Yamazen’s 2-step Gradient Separation of Pigments of Spinach Extract"
• No.88: Sample Separation on Yamazen’s 2-step Gradient and the Prediction of Separation
• No.87: Automatic Method Setting by α-mode significantly improves sample separation performance when using highly polar solvents.
• No.86: Sample peaks collected in accordance with detector scale
• No.85: Difference of column performance
• No.84: How to separate the easily precipitated samples?-2-
• No.83: How to separate the easily precipitated samples?
• No.82: Drastic Reduction of Solvent Use in Silica Gel Chromatography!
• No.81: Further Enhancement of Separation Performance by using Inject Column Premium (40-63µm) and Universal Column Premium (25-40µm)
• No.80: The proper use of Columns will result in Highest Column Performance.
• No.79: The highest performance of sample separation achieved with the use of Universal Column Premium (30um Silica Gel) and Inject Column.
• No.78: TRUE Flash Chromatography
• No.77: If you have 1gram of sample to purify, Yamazen software will tell what column and method would be used.
• No.76: “Universal Premium”,World’s Best Disposable Column
• No.75: EPCLC Achieves The Highest Resolution In Sample Purification.
• No.74: A High Performance Column Can Take A Large Sample.
• No.73: Chromatography with the Use of Solvent Absorbance Cancel Function (Toluene, Acetone, etc.)
• No.72: Amount of Column Packing Material ≠ Column Performance
• No.71: Benefit of Using Yamazen Inject Column Drastic Column Downsizing Is Possible.
• No.70: Correlation between TLC and Column Chromatography Separation Factor "α" in Method Setting
• No.69: Highly Sensitive UV Detecting Capability Is What's Required for Flash Chromatography
• No.68: Ultra Slow Gradient (0-3% over 30 minutes)
• No.67: Ideal Method Transfer from TLC to Column Chromatography
• No.65: Yamazen's UV Detectors Provide a Broad Detection Range
• No.64: Ideal Method Transfer from TLC to Column Chromatography
• No.63: Green Flash Chromatography
• No.62: Tandem Mode (Solution For Difficult-To-Separate Sample)
• No.61: Chromatography of Hard-To Resolve Samples
• No.60: More Solvents are now available for Yamazen's Automatic Method Setup
• No.58: What is Yamazen's Rf Gradient?
• No.57: The Eluting Position of Target Compound and Resolution is extremely well controlled by the Yamazen's Chromatography Software
• No.56: Slow Gradient Method with Chloroform & Methanol
• No.55: Peak & Slope Mode
• No.54: Technique for Collecting Fractions; SKIP, Waste Diversion, and Manual Collection
• No.53: Automated 2-Step Elution Method Improves Purification & Separation of Multiple Compounds Efficiently.
• No.52: Appropriate Column Selection for Samples dissolved in Polar Solvents
• No.51: Yamazen's UV Detectors provide a broad OD range
• No.50: Resolution and Retention Time
• No.48: Yamazen's Automated Flash Systems Predict the Eluting Position of the Target Compound
• No.45: Optimized Method Set-up for Reverse Phase Chromatography
• No.44: The maximum amount of a sample that can be charged on to a column is displayed on the monitor
• No.42: Correlation between TLC and Column Chromatography using Yamazen's Silica Gel Columns
• No.39: Sample Run Continues Even When The Line Pressure Increases Rapidly - Perfect Safety Measure for Sudden Pressure Build-up
• No.38: Comparison between Yamazen's 40亮m Granular 2L-size(45g) Hi-Flash Column and A Competitor 's 15亮m Spherical 30g Column
• No.37: Automated Method Set-up for 2-Step Gradient
• No.33: Purification and Separation of Basic Compound Processed by the Yamazen's Automatic Chromatographic Method Development Software (Patent No.3423707) with use of an Aminopropyl Column
• No.29: Preparative Liquid Chromatography of The Hardly Soluble Compound - Taking advantage of using Inject Column to load a sample dissolved in high polar solvent