Abstract: A microdevice for detecting aldehydes or ketones by utilizing a rotary platform, the microdevice comprising a disc-shaped rotary platform and a microfluidic structure disposed on the rotary platform, and the microfluidic structure comprising a sample storage part, an eluent storage part, a separation part, a first microfluid flow channel, a second microfluid flow channel, and an absorption pad.

Abstract: The present invention relates to a micro device for solid phase extraction and more particularly provides a micro device which is configured to perform solid phase extraction by injecting a filler and a solvent and producing a uniform flow of the solvent.

Abstract: A qualitative and quantitative heavy metal analysis device and, more particularly, a qualitative and quantitative heavy metal analysis device implemented by a rotary platform are provided. The rotary platform device includes a main injection part which is positioned near a rotating shaft of a rotary platform, wherein the main injection part is configured to receive a fluid sample containing heavy metals, a pH adjusting part configured to adjust pH of the fluid sample, a detecting part coated with a chelating agent configured to initiate a color reaction with heavy metals in the fluid sample by spreading the pH-adjusted fluid sample into the detecting part, and a ruler for measuring a spreading distance of the color reaction, wherein the fluid sample moves from the main injection part through the pH adjusting part to the detecting part by a rotation of the rotary platform device.

Abstract: The present disclosure relates to an apparatus and a method for analysis of a multi-layer adhesive film and provides the apparatus comprising a specimen tray unit; a blade unit; a liquid nitrogen supply unit; and a driving unit, and the method comprising a specimen fixing step; a specimen cooling step; a specimen pre-collection step; a specimen collection step; and a blade separation step.

Abstract: The present invention relates to an apparatus for measuring moisture of a solid sample, a method for measuring a moisture content of the solid sample, and a method for analyzing an imidization rate, and more particularly, to an apparatus for measuring moisture of a solid sample, a method for measuring a moisture content of the solid sample, and a method for analyzing an imidization rate, which detect the moisture content of the solid sample at a specific temperature by using a Karl-Fischer device capable of selectively detecting only the moisture content of the solid sample in the method for analyzing an imidization rate of the solid sample and calculate the imidization rate of the solid sample by using the detected moisture content.

Abstract: Microbeads capable of controlling the pH of a sample are provided. The microbeads can control the pH of a sample to be equal, similar or close to a target pH without an automated device and the like such as an additional valve system for controlling pH, and thus could be readily applied to fields requiring pH control.

Abstract: The present invention relates to a high-speed screening and analysis system for reaction optimization. More specifically, the present invention provides a system capable of analyzing samples at low cost through control of fluids using hydrophilic plate-like material (for example, paper), and of analyzing chemical reactions of a sample with a plurality of materials simultaneously, thereby allowing samples to be analyzed rapidly.

Abstract: A device and system for detecting aldehydes or ketones and, more particularly, a device and system, for detecting aldehydes or ketones, utilized in a rotating platform are provided.

Abstract: The present disclosure relates to a device capable of adjusting the pH of a sample and provides a device comprising microbeads capable of adjusting the pH of a sample to a predetermined value. The device comprises microbeads enabling adjustment to different pH values in each of a plurality of channels, and enables adjustment of the pH of the sample to a plurality of different pH values simultaneously upon injection of the sample.

Abstract: The present invention relates to a method for simultaneously qualitatively and quantitatively analyzing compounds of aldehydes and/or ketones in a short time by using an optimal TLC plate, a proportion of a developing solvent, a sample amount, etc., and can provide an analysis result equivalent to a conventional analysis result in a shorter time by providing the most optimal conditions when using the TLC method.

Abstract: A quantitative analysis method for a monomer of a color filter (CF) photoresist (PR) binder for a thin film transistor-liquid crystal display (TFT-LCD), performs quantitative analysis on a monomer of a CF PR binder for a RFT-LCD by using a Py-GC/MS used for qualitative analysis.

Abstract: The present invention relates to a device and a method for qualitative and quantitative analysis of heavy metals and more particularly provides a device and a method for qualitative and quantitative analysis of heavy metals utilizing a rotary disc system.

Abstract: The present invention relates to a device and a method for qualitative and quantitative analysis of heavy metals and more particularly provides a device and a method for qualitative and quantitative analysis of heavy metals utilizing a rotary disc system.

Abstract: The present invention relates to a micro device for solid phase extraction and more particularly provides a micro device which is configured to perform solid phase extraction by injecting a filler and a solvent and producing a uniform flow of the solvent.

Abstract: The present invention relates to a device and a method for qualitative and quantitative analysis of heavy metals and more particularly provides a device and a method for qualitative and quantitative analysis of heavy metals utilizing a rotary disc system.

Abstract: The present invention relates to a device and a method for qualitative and quantitative analysis of heavy metals and more particularly provides a device and a method for qualitative and quantitative analysis of heavy metals utilizing a rotary disc system.

Abstract: An analysis method is provided, wherein a measurement sample containing a diamine and an acid dianhydride can be obtained without a separate methyl derivatization process. The analysis method includes pretreating a polyimide film including the polyimide which is a poorly soluble polymer with DMAc after hydrolysis, and determining an amount of monomers contained in the polyimide film.

Abstract: A method enabling the quantitative analysis of acrylic acid in an acrylic adhesive resin includes: measuring, by means of a moisture analyzer for solid samples (MASS), moisture content generated through a ring forming reaction, in a high-temperature environment, of an acrylic polymer having a carboxyl group; and analyzing the acrylic acid content on the basis of the measured moisture content and the amount of the sample that is used.

Abstract: A pretreatment method for analyzing dioxin compounds and an analytical method using the same, in which a column packed with polymer beads that are capable of selectively adsorbing dioxin compounds is used in a purification step during pretreatment, thereby remarkably reducing a time required for pretreatment and improving a recovery rate of an internal standard for purification, are provided.

Abstract: The present invention relates to an apparatus for measuring moisture of a solid sample, a method for measuring a moisture content of the solid sample, and a method for analyzing an imidization rate, and more particularly, to an apparatus for measuring moisture of a solid sample, a method for measuring a moisture content of the solid sample, and a method for analyzing an imidization rate, which detect the moisture content of the solid sample at a specific temperature by using a Karl-Fischer device capable of selectively detecting only the moisture content of the solid sample in the method for analyzing an imidization rate of the solid sample and calculate the imidization rate of the solid sample by using the detected moisture content.