Agilent Manuals

This document introduces the characteristics of polystyrene products, including molecular weight and molecular weight distribution.

This document describes the process control of polyamide-6,6, which is widely used in the textile, construction, and electronic industries. The properties of polyamide-6,6 depend on its molecular weight and molecular weight distribution.

This document introduces the molecular weight characterization method of polyacrylamides.

Polyvinyl alcohols (PVA) are industrially synthesized by the catalytic reaction of polyvinyl acetates with alcohols, typically methanol. Due to properties such as excellent biological degradeability, water solubility , toxilogical harmlessness they are widely used as emulgators, binding agents in adhesives, salves and haircream. The properties can be varied with the molecular weight distribution and the molecular weight which ranges from 20000 to 100000 g/mol. Both parameters can be fast and reliably monitored by aqueous SEC. This is a convenient method for quality control analyis, and is more informative in production control and end-use performance evaluation than single- point viscosity measurements.

A comparison of four selective detectors for analysis of single-digit ppb level sulfur is described

Describes an inert valving system for the analysis of ppb level volatile sulfur compounds in food grade carbon dioxide using the Agilent 6890.

The mass selective detector is an ideal tool for the analysis of trace level volatile sulfur compounds. It provides structural information and achieves excellent sensitivity and selectivity in the Selected Ion Monitoring mode. This paper demonstrates the low parts-per-billion analysis of eight volatile sulfur compounds in various hydrocarbon matrices. The system is well suited for fuel cell developers to characterize fuel feedstocks and analyze impurities that can poison critical catalytic processes. Measurement of carbonyl sulfide in propylene is also demonstrated.

The document introduces the technical overview of an Agilent Natural Gas Analyzer. The instrument uses a Thermal Conductivity Detector (TCD) to identify components such as isobutane, n-butane, isopentane, n-pentane, carbon dioxide, ethane, hydrogen sulfide, propane, oxygen/argon composite, nitrogen, methane, and carbon monoxide. The lower detection limit of the TCD is 200 ppm for most components, except for carbon monoxide which is 400 ppm. The system is compliant with Gas Processors Association Methods 2177 and/or 2261, and the analysis time is approximately 25 minutes.

The document mainly introduces the application range, characteristics and detection performance of Agilent Refinery Analyzer product. It can be used to analyze oxygenates in butane feed stocks, gasoline and naphtha

A method for the analysis of ppb level volatile sulfur compounds in a variety of hydrocarbons using a 6890N gas chromatograph equipped with dual flame photometric detectors is described. Thick film DB-1 and GS-GasPro columns are employed, and enhanced performance flame photometric detectors are used that can achieve detection of sulfur compounds below 20 ppb. Examples of arsine and phosphine analysis with the same hardware are also discussed.

This application note describes methods for analyzing C1-C6 light hydrocarbons.

This document describes a method for analyzing trace hydrocarbon impurities in propylene

This document describes a method for quantitatively analyzing aromatic hydrocarbons in gasoline and naphtha using an Agilent 6820 gas chromatograph equipped with a flame ionization detector and a single polar capillary column. The internal standardization method yields quantitative concentration data for 57 aromatic target compounds.