Industrial

This document describes the analysis method for rhein and emodin in rhubarb root extract. The extract has a gentle laxative effect by stimulating the secretion of bile into the intestines and expelling toxic waste matter through the gall duct, thereby cleansing the liver and relieving chronic liver problems.

This document introduces a HPLC method for the determination of atropine in Belladonna extract.

The bq2058t lithium ion pack supervisor is a low cost lithium ion battery pack supervisor that protects and monitors two lithium ion series cells for overvoltage, undervoltage, and monitors pack for overcurrent.

bq2058t lithium ion pack supervisor is a device to control charge and discharge cell voltage limits for two lithium ion (li-ion) series cells, accommodating battery packs containing series/parallel configurations. the low operating current does not overdischarge the cells during periods of storage and does not significantly increase the system discharge load. bq2058t can be part of a low-cost li-ion charge control system within the battery pack. bq2058t controls two external fets to limit the charge and discharge potentials. bq2058t allows charging when each individual cell voltage is below vov (overvoltage limit). if the voltage on any cell exceeds vov for a user-configurable delay period (tOVD), the open-drain chg pin goes to the high-impedance state, shutting off charge to the battery pack. this safety feature prevents overcharge of any cell within the battery pack. after an over-voltage condition occurs, each cell must fall below vce (charge enable voltage) for the bq2058t to re-enable charging. bq2058t is a low-cost, low-power, high-performance lithium ion battery pack supervisor suitable for a variety of lithium ion battery pack applications.

The bq2058T Lithium Ion Pack Supervisor is a small, integrated product that provides over-voltage, under-voltage protection and overcurrent monitoring for two lithium-ion (Li-Ion) series cells, accommodating battery packs containing series/parallel configurations. The low operating current does not overdischarge the cells during periods of storage and does not significantly increase the system discharge load. The bq2058T can be part of a low-cost Li-Ion charge control system within the battery pack. The bq2058T controls two external FETs to limit the charge and discharge potentials. The bq2058T allows charging when each individual cell voltage is below VOV (overvoltage limit). If the voltage on any cell exceeds VOV for a user-configurable delay period (tOVD), the open-drain CHG pin goes to the high-impedance state, shutting off charge to the battery pack. This safety feature prevents overcharge of any cell within the battery pack. After an over-voltage condition occurs, each cell must fall below VCE (charge enable voltage) for the bq2058T to re-enable charging.

bq2058 is a lithium ion battery pack supervisor that protects and individually monitors 3 or 4 series lithium ion (Li-Ion) cells for overvoltage, undervoltage and overcurrent. It is designed for battery pack integration, has minimal external components, drives external FET switches and has selectable overvoltage (VOV) thresholds.

This document introduces the mass analysis principles and features of the 5973N high resolution mass spectrometer, including electron bombardment ionization and chemical ionization.

Agilent CombiZorb scavengers are used to remove unwanted components from combinatorial chemistry reaction mixtures.

This document describes the features and characteristics of Agilent CombiZorb Scavengers, including non-swelling, broad solvent compatibility, no metal content, and no static electricity.

The document introduces the stability of short chain bonded phases, including stability test methods, test results and conclusions.

This document discusses the effect of organic modifier and pH on the selectivity of Zorbax SB-CN column. pH control is crucial for providing separation stability for polar organic compounds that are basic or acidic. The short-chain SB-CN column is highly stable under low pH conditions (e.g. pH 2.5).

The document describes the features and functions of the bq2058 Lithium Ion Pack Supervisor, including overvoltage, undervoltage, and overcurrent protection. It is designed for three to four Li-Ion series cells and can be part of a low-cost Li-Ion charge control system.

This Application Note shows three system configurations for recovery collection with the Agilent 1100 Series purification system1,2. One configuration uses a 12-position/13-port valve 3 in the waste line of the fraction collector, which offers up to twelve recovery locations. Another possibility is to use a third-party fraction collector, controlled by the ChemStation through external contacts using a BCD board. The most sophisticated approach, however, is to use a dedicated Agilent 1100 Series fraction collector, which gives complete recovery location tracking with the graphical user interface of the software or in the reports.

This document describes a GC/MS method using RTL technology that allows for the analysis of 567 of the most common pesticides and endocrine disrupters used worldwide. By utilizing the RTL functionality with the 6890/5973 GC/MSD system, a new database containing mass spectra and compound retention times has been developed. When combined with the compound screening tools in the MSD Productivity ChemStation software, data files can be easily, accurately, and quickly screened for the presence of any of the 567 compounds listed in the database. Additionally, the software features enable the detection of compounds that may usually be masked by others.

The four antiarrhythmic drugs, quinidine, disopyramide, procainamide and its metabolite N-acetylprocainamide are separated by HPLC using gradient analysis on a reversed phase column and UV detection. The method is accurate and reliable, and can be used for the determination of these drugs in biological fluids.