SPECTROMETRY - 54 Annonces

Tuesday 09 December 2025

détecteurs de traces d'explosifs portatifs te-hed15 modèle: techik marque: introduction: des traces d'explosifs te-hed15 détecteur portatif, basé sur la technologie ims (spectrométrie de mobilité ionique), est conçu et fabriqué par techik, le fabricant de produits de sécurité.te-hed15...

Friday 25 July 2025

Quantité : 1kg; 25kg;

3,4-(Methylenedioxy)phenylacetonitrile is an important organic synthetic intermediate with various applications: Pharmaceutical Synthesis: It is used in the synthesis of derrubone. Forensic Analysis: It serves as a standard for analyzing seized methamphetamine samples, showing unique...

Tuesday 15 July 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Tuesday 08 July 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Wednesday 02 July 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Friday 27 June 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Saturday 07 June 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Friday 06 June 2025

Quantité : 1kg; 25kg;

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Thursday 15 May 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Wednesday 16 April 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Tuesday 08 April 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Thursday 03 April 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Saturday 29 March 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Wednesday 19 March 2025

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacetylation of melatonin in the pineal gland...

Wednesday 22 May 2024

Customizable specifications and sizes can be made based on the outer tank of the digestion container Can be used for sample pretreatment in atomic absorption spectroscopy and plasma emission analysis; It can also be used for low-dose synthetic reactions; Sample pre-treatment is performed...

Tuesday 21 May 2024

The PFA headspace injection bottle, as a high-purity sample vessel for gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS), plays a crucial role in precise analysis due to its excellent chemical inertness, low adsorption, and high temperature resistance. Application...

Friday 19 April 2024

Supports custom processing of various styles of PFA accessories.Suitable for semiconductor photovoltaic equipment, fluid equipment, as well as instruments such as chromatography, spectroscopy, mass spectrometry, etc #semiconductor #ICPMS #PFAValue #teflon Mobile: +86-153 6614 0844...

Saturday 03 February 2024

Keyto miniature proportional valve is a microvalve developed by the medical industry, IVD, or laboratory to control the fluid proportion, especially suitable for proportional control in medical ventilators or fluid control in ventilation systems, like oxygenerator, reservoirs, anesthesia...

Wednesday 31 January 2024

Teflon series utensils have been used in the laboratory for long-term storage of standard solutions, standard samples, organic solvents, strongly corrosive samples, and scientific research samples because of their very low blank value of metal elements and superior chemical properties...

Friday 26 January 2024

High pressure digestion tanks are usd to digest insoluble geological mineral samples and the internal high temperature and high-pressure environment make the sample digestion more thorough and effectively avoid the loss of volatile elements. It can decompose of refractory material...

Wednesday 05 July 2023

- Features Of Gas Chromatography-mass spectrometer for sale 1. High performance turbo molecular pump with large pumping speed is adopted, and the ion source, quadrupole and detector are separated into two independent chambers to maintain an excellent vacuum environment for quadrupole...

Tuesday 27 June 2023

Quantité : 10mg-10t - Prix : 50-15000

CAS Number：1185 53 1 Molecular Formula：C4H12ClNO3 Molecular weight：157.59600 Appearance and properties: White crystalline powder Density：1.05 g/mL at 20 °C Acid-base indicator color change ph value range：7.0 - 9.0 PH value：2.5-4.0 (25℃, 4M in H2O) Acidity coefficient(pKa)：8.1(at 25℃)...

Thursday 08 June 2023

Prix : USD12~USD2000

Keyto proportional valve is a microvalve developed by the medical industry, IVD, or laboratory to control the fluid proportion, especially suitable for proportional control in medical ventilators or fluid control in ventilation systems, like oxygenerator, reservoirs, anesthesia delivery ...

Thursday 11 May 2023

As a technology-based company, we have been focusing on developing and innovating carbon dioxide modules and monitors for more than 20 years. And we have been promoting etco2 series modules and cooperating with many well-known medical companies since 2008. Our products have obtained...

Tuesday 09 May 2023

The LC-MS untargeted metabolomics is used for unbiased detection of metabolites in samples by liquid chromatography-mass spectrometry and to obtain their qualitative and quantitative information. Technology Introduction The main application is for comparing the case group with the...

Wednesday 27 July 2022

Quantité : 1000 - Prix : 120,00 €

The high-pressure digestion tank is a closed container that can decompose insoluble substances. It is used for sample pretreatment in chemical analysis methods such as gas phase, liquid phase, plasma spectroscopy mass spectrometry, atomic absorption and atomic fluorescence. Working principle...

Wednesday 09 October 2019

Solid phase extraction (SPE) is used to reduce sample matrix interference and improve detection sensitivity. The separation selectivity of the solid phase depends on the retention strength of the components that can be retained, so the selection of the solid phase will depend on the...

Tuesday 10 September 2019

1. Advantages and disadvantages of commonly used extraction solvents Acetonitrile: easy to salt out; compatible with LC/MS; difficult to concentrate Acetone: not easy to salt out; easy to volatilize, concentrate Ethyl acetate: immiscible with water; less extraction of impurities;...

Thursday 15 August 2019

Review the article that I had written for product introductions, it seems that the content which making fun of products basically does not have, a person with the label of “warm person heart” is wearing very tired. The things about making fun are so cool to be said completely by naked...

Tuesday 30 July 2019

Since its birth, the QuEChERS method has been widely used in pesticide residue analysis due to its unique advantages and characteristics of fast, simple and cheap. Lehotay et al. established a method, which uses the QuEChERS method to treat samples and analyze 229 kinds of pesticides...