Matches 1 - 19 out of 19


Match Document Document Title
US20120142545 SOLID PHASE AND CATALYZED ENABLED AUTOMATED ISOTOPE DILUTION AND SPECIATED ISOTOPE DILUTION MASS SPECTROMETRY  
A method for the equilibration of enriched isotope species and natural isotope species prior to mass spectrometric analysis using solid phase and/or microwave isotope ratio equilibration and...
US20130137185 MASS SPECTROMETRY OF STEROIDAL COMPOUNDS IN MULTIPLEXED PATIENT SAMPLES  
The invention relates to the quantitative measurement of steroidal compounds by mass spectrometry. In a particular aspect, the invention relates to methods for quantitative measurement of...
US20110281367 DEVICE AND METHOD FOR DETECTION OF HARMFUL SUBSTANCES  
The invention relates to a device (10) for detection of harmful substances with a measurement unit (28) for measuring at least one harmful substance and an evaluation unit (30) for determining the...
US20150140673 SAMPLING SYSTEM AND PROCESS FOR SAMPLING  
A sampling system includes an analyte sampler that includes an enclosure; a mount disposed in the enclosure; a capillary tube disposed in the mount; and a thermal member disposed in the enclosure...
US20100311179 Method of Using 14C Measurements to Determine the Percent Natural of Cleaning Compositions  
The present invention relates to a method for measuring the percentage natural of a cleaning composition using radiocarbon dating data. The percentage natural of a cleaning composition is defined...
US20050106741 Determination of aromatic hydrocarbons in edible oil products  
Methods for rapid and precise analysis of low levels of aromatic hydrocarbons, particularly polycyclic aromatic hydrocarbons (PAH), such as benzo[a]pyrene (BaP), in edible oils, edible fats and...
US20110236987 GAS DETECTOR TUBE FOR DETERMINING BENZENE  
An improved detection reaction for benzene in gas analysis with a gas detector tube formed of a carrier material impregnated with gold(III) oxide in a display layer.
US20120270330 Hybrid Separation and Detection Device for Chemical Detection and Analysis  
The present invention provides a device that makes it possible to perform real-time detection and analysis of BTEX components in real samples using an inexpensive and miniaturized hybrid specific...
US20130323853 METHOD FOR MONITORING REFINERY REFORMING UNITS UTILIZING DETAILED HYDROCARBON COMPOSITION ANALYSIS  
A method of monitoring a reformer unit is disclosed. The method includes analyzing at least one of the feedstock and the product stream. The analyzing includes performing a detailed hydrocarbon...
US20150099308 DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN WATER USING NANOPOROUS MATERIAL PREPARED FROM WASTE AVIAN EGG SHELL  
Nanoporous polymorphic crystals of CaCO3 were used as sorbent and were applied in the dispersive micro-solid-phase extraction of selected polycyclic aromatic hydrocarbons as target analytes. After...
US20140287514 LUMINESCENT MICROPOROUS MATERIAL FOR DETECTION AND DISCRIMINATION OF LOW-LEVELS OF COMMON GASES AND VAPORS  
The present invention includes a sensing device and method detecting the presence of a chemical analyte, comprising: a surface; a continuous or discontinuous terbium(III)-triphenylphosphine oxide...
US20140302612 NEMATIC LIQUID CRYSTAL THIN FILMS FOR CHEMICAL VAPOR SENSING  
A method of detecting an analyte by: providing a device having a substrate, an alignment layer on the substrate, and a film having 4-pentyl-4′-cyanobiphenyl on the alignment layer; exposing the...
US20140179017 TETRACATIONIC CYCLOPHANES AND THEIR USE IN THE SEQUESTRATION OF POLYAROMATIC HYDROCARBONS BY WAY OF COMPLEXATION  
Novel tetracationic cyclophanes incorporating π-electron poor organic compounds into their ring structures, as well as methods of making the cyclophanes, are provided. The cyclophanes are able to...
US20120184042 Electron Transfer Dissociation for Biopolymer Sequence Analysis  
The present invention relates to a new method for fragmenting ions in a mass spectrometer through the use of electron transfer dissociation, and for performing sequence analysis of peptides and...
US20140170763 Processes for Determining Stream Compositions in Simulated Moving Bed Systems  
Processes for simulated moving bed systems for separating a preferentially adsorbed component from a feed stream and processes for determining compositions of one or more streams in the system are...
US20100068821 METHOD FOR DETECTION AND ANALYSIS OF AROMATIC HYDROCARBONS FROM WATER  
Methods for analyzing aromatic hydrocarbons dissolved in water are discussed. The methods include providing a substrate coated with a thin film layer of a material, wherein the material has a high...
US20150065365 THERMOELECTRIC SENSOR FOR ANALYTES IN A GAS AND RELATED METHOD  
An apparatus is provided for sensing an analyte in a fluid. The apparatus includes a fluid collecting device configured to collect the fluid containing the analyte; a fluid input in fluid...
US20150377752 DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN WATER USING NANOPOROUS MATERIAL PREPARED FROM WASTE AVIAN EGG SHELL  
Nanoporous polymorphic crystals of CaCO3 were used as sorbent and were applied in the dispersive micro-solid-phase extraction of selected polycyclic aromatic hydrocarbons as target analytes. After...
US20150330959 FLUORESCENCE DETECTOR SYSTEM FOR DETECTION OF AN AROMATIC HYDROCARBON  
The invention relates to a detector system suitable for detection of an aromatic hydrocarbon, comprising an organic polymeric sensor material that is permeable to the aromatic hydrocarbon, the...

Matches 1 - 19 out of 19