1-12 的 34 Business Insights
Pesticides can adversely affect human health through the food we consume but can also leach into soil and groundwater and impact us through the environment. To keep up with a complex and constantly changing regulatory environment, your pesticide analysis solution needs to keep up with your burgeoning sample load.
For laboratories analyzing everything from air quality to flavors and fragrances, thermal desorption offers a faster, easier, more cost-efficient way to prepare samples for GC or GC/MS analysis. Ideal for the trace-level measurement of volatile organic compounds (VOCs)—as well as most semi-volatile chemicals—thermal desorption lets you avoid time-consuming, manual, solvent-based sample preparation in favor of a simple, streamlined, automated approach. It also delivers the added benefits of superior throughput and enhanced sensitivity.
In today’s budget-constrained, yet highly competitive laboratory environments, the samples you’re being asked to analyze – whether food, pharmaceutical, petrochemical, or environmental – are increasingly difficult. But for some labs, having a dedicated GC for every application isn’t an option. For them, a GC that can do it all isn’t just a nice-to have, it’s a necessity
The analysis of C2 to C12 volatile organic ozone-precursor compounds can present a serious technical challenge to the analytical chemist. Low concentrations in the atmosphere coupled with the need to monitor frequently to assess diurnal variations means that a preconcentration step of the sample before analysis by thermal desorption is required. While the samples can be collected in the field and returned to the laboratory, remote, field-based analysis is desired which allows reduced data turnaround time, minimizes sample collection hardware and permits the presence or absence of VOCs to be correlated with meteorological data. In the field, low-molecular-weight C2 VOCs can be trapped on solid adsorbents if those adsorbents are cryogenically cooled.
Although it was built for portability and speed, the low thermal mass (LTM) capillary GC provides equivalent chromatographic resolution and performance to a benchtop system. The miniature size is achieved by replacing a conventional convectively-heated column oven with a low thermal mass (LTM) column bundle with direct-contact electrical resistive heating. LTM GC uses a small diameter, metal capillary GC column, which is bundled with resistive heating and temperature-sensing wires that are braided Superior technology • Small diameter LTM capillary GC for high speed, high resolution separation of chemical analytes • Rapid temperature programming delivers analysis times of under three min. • Sensitive and selective mass-based detection of a wide range of chemicals • Easy to operate with a color touch-screen display and simple navigation buttons Figure 1. The Torion T-9 Low Thermal Mass Capillary GC is fast and operates reliably. Injection Port with Removable Liner LTM Capillary Column Bundle Cooling Fan Electronic Pressure Control GC Electronic Board together with insulator strands. This design provides for greater heating and cooling speeds and very low power consumption
In recent years there has been an increase in fatalities related to the use and consumption of opioids, a class of synthetically manufactured pain-relieving drugs similar to naturally derived opiates like morphine, opium, codeine, and heroin. This application demonstrates the use of the novel Custodion® Coiled Microextraction (CME) syringes and the Torion T-9 Portable GC/MS as a fast and easy to use screening tool for drugs of abuse and new psychoactive substances (NPS) in the field.
Air pollution is a global concern. Ground-level ozone has become an increasingly important issue in developed nations, as the health effects of smog are more clearly understood. The monitoring of VOC ozone precursor compounds will continue to play a role in defining and reducing air pollution in developed and developing nations in the next decade. The data presented here shows the excellent results of improved separation via Elite-624Sil MS column with real world samples, simplified column connections to the Dean Switching device and trap with modernized triple bed trap with guard zone technologies.
Mycotoxins produced by fungi as toxic secondary metabolites, leave grains, maize and cereals particularly vulnerable. With this in mind, and considering that an estimated 25% of all crops show some signs of mycotoxin contamination, many countries have established regulatory guidelines for maximum mycotoxin limits in not only feed and grain, but also in processed food products.
Volatile organic compounds (VOCs) are a series of compounds with boiling points from 50 to 250 degrees centigrade and are widely used as industrial chemicals/ solvents. Low concentrations of VOCs can have a significant impact on human health, as many are regarded as highly toxic, refractory and carcinogenic. The detection and determination of VOCs in the environment is of the upmost importance for both human and environmental health.
Liquid chromatography-tandem mass spectrometry (LC/MS/MS) has become the method of choice for pesticide The state of Oregon has issued regulatory limits for 59 pesticide residues in both cannabis flower and concentrates, while other states have come up with
In this application, we describe a technique for the monitoring of six cannabinoids, including THC and CBD, in hemp seed oil by HPLC with PDA detection. Figure 1 shows the chemical structures for the six cannabinoids. In recent years, scientific knowledge regarding the composition and health benefits of edible hemp products has significantly increased. Hemp seed oil has been promoted as a good source of nutritious omega-6 and omega-3 polyunsaturated acids, and may be a cleaner, more sustainable alternative to fish oil.
1-12 的 90 产品与服务
全新的Clarus® 590气相1.999赔率彩票网引入新技术，从而改进了灵敏度，降低残留效应，使得整个系统易于使用和维护。全新的Clarus 590采用和Clarus 690相同的创新设计，你可选择最通用的样品处理系统。