LC-4000 Series Column Ovens
The LC-4000 Series column ovens have been designed to provide excellent utility for a wide range of different user requirements.For simple requirements the stackable CO-4061 can be used with column lengths up to 200mm (or up to 300mm with an optional extension). For RHPLC and UHPLC the CO-4062 has capacity for up to six 150 mm length columns, with optional one or two internally mounted automatic switching valves for 2 or 6 co…
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Separation Analysis
Without this the HPLC cannot perform its operation smoothly. It is the best column oven for best results.
Review Date: 21 Oct 2015 | JASCO (USA)
The LC-4000 Series column ovens have been designed to provide excellent utility for a wide range of different user requirements.
For simple requirements the stackable CO-4061 can be used with column lengths up to 200mm (or up to 300mm with an optional extension).
For RHPLC and UHPLC the CO-4062 has capacity for up to six 150 mm length columns, with optional one or two internally mounted automatic switching valves for 2 or 6 column selection.
For GPC and larger preparative columns, select either of the two high-capacity CO- 4060 or CO-4065 ovens. The CO-4060 can accommodate columns with lengths up to 300mm or larger ID preparative columns. The CO-4065 can accommodate up to 10 columns with lengths up to 300mm and a pair of column selection valves is included as standard.
All column ovens have built- in electronic cooling for controlling column temperature at sub-ambient temperatures.
The CO-4062 and CO-4061 block-heater type ovens can be fitted with an optional micro-volume pre-heating unit for pre- heating the mobile phase before the column to improve resolution and peak shape.
The RO-4068 reaction oven is used for high temperature post-column sample processing with capacity for columns and reaction coils.
Analysis of Protein Hydrolysate Amino Acids using OPA Post-column Derivatization by Quaternary Low Pressure Gradient System
Amino acid analysis has been applied to several categories such as food, medicine, protein science and metabolome study, and is an important measurement technique. An amino acid analysis system using a low pressure gradient unit with OPA post column derivatization provides excellent repeatability and good separation in a short analysis time. The analysis results of food analysis and amino acid composition analysis of protein using this amino acid analysis system are reported.
Analysis of Dabsyl Amino Acids using HPLC
The pre-column derivatization using HPLC for amino acids analysis has prevailed as a simultaneous separation method of multiple components using a selective, high-sensitivity detector and a reversed phase column. Many results of amino acids analysis using dabsyl chloride as a reagent for pre-column derivatization have been reported because the amino acids derivatized by dabsyl chloride are more stable than those by other derivatization agents. Also a simply a UV/VIS detector can be used with high sensitivity. This application note demonstrates the measurement of the standard mixture of amino acids.
Analysis of Cyclodextrines in Green Tea using HPLC-ELSD
Surfactants are well known as a main constituent of commercial detergent with non-ionic surfactants now more widely employed due to their hydrophilic properties meaning they are not ionized even when dissolved in water. Considering its nature, the usage of non-ionic surfactants have increased dramatically and its affect on the environment has been pointed out. Therefore, non-ionic surfactants have been monitored for Water Quality Control Standards. In this application note, Triton X-100 and Polyethylene Glycol 400 as non-ionic surfactant samples were measured and analyzed using an ELSD detector with Silica NH2 column in HILIC mode.
