Chromatography Column

Supplier: Column chromatography silica gel

Supplier: GC,HPLC,AAS, liquid chromatography,atomic absorption spectrometer,GC column

Gc5890n can be matched with kinds of detector. Packed column and split/splitless capillary injector. It is compatible with agilent 6890n detector, related detector controller, chromatograph working station and automatic sample. It has the characteristics of good performance, reliable operation, and excellent cost-effective. 1.Features 1.1 the temperature control accuracy can be precise to 0.0 by the new integrated digital electronic circuit with high control precision and reliable performance. 1.2 it has the functions of self-diagnosis for boot, stopwatch (for determining the flow), timer operation, storage protection for power off, keyboard locking, anti-interference, network data communication and remote control. 1.3 it can gets lower limit of detection by unique injector system design. 1.4 you can choose automatic/manual gas six-way valve injector, headspace injector, thermal desorption injector, cracking furnace injector, methane conversion furnace and auto-injector. 1.5 the program heating and the furnace temperature precision can be controlled stable and fast. 1.6 optional detectors are fid, tcd, ecd, fpd, npd and pdhid. All detectors can control the temperature individually. Fid is easy to assemble and disassemble for cleaning or changing the nozzle. Tcd stable time is20min.

Lc-600a gradient system with 2sets of p600 high-pressure constant-current pump and uv600 ultraviolet detector. Its can control numbers of p600 pumps, uv600 detectors, constant-temperature column ovens and so on. Using the ws600 workstation

Geniposidic acid is an iridoid glucoside, are widely present in plant tissues, such as Eucommia ulmoides, Gardenia jasminoides Ellis,et al. Geniposidic acid can be prepared from Eucommia leaf by solvent extraction, silica gel column chromatography, also be prepared from geniposide by hydrolysis saponification. Modern pharmacological experiments show that geniposidic acid is the main effective components of Eucommia ulmoides. Geniposidic acid has anti-inflammatory and other functions, it can be used to lower blood pressure in clinical, pain, sedation and so on. Geniposidic acid can be also used as health food additives.

We regularly export Silica Gel in large quantity. We handle of a series of silica gel in different usages, such as for Column-layer Chromatography, thin-layer Chromatography,air drying, catalyst carrier, liquid drying,etc. We are the most competitor in the field of SILICA GEL. We also could supply the goods according to your specification. We also supply Silica Alumina Gel,Silicic Acid, etc. the following list is our product-- Silica gel in different usage : FNG Silica Gel : Spherical Sharp, used for air drying in the air separating process for various industrial gases C Type Silica Gel : translucent Spherical Sharp, used for drier, adsorbent and catalyst carrier B Type Silica Gel : transparent Spherical Sharp,mainly used as liquid adsorbents,Struture lying between macro-pored and fine-pored silica gel Blue Silica Gel :lumps or Spherical Sharp,After absorbing Moisture ,it turns from Blue to red,visually indicating the relative humidity of the given environments. DL Blue Silica Gel : lumps or Spherical Sharp, used as humidity indicator or drier in judging if the adsorption & drying process is up to the requirements Fine-Pored Silica Gel : lumps or Spherical Sharp,used for drying and moistureproof Macro-pored Silica Gel : lumps or Spherical Sharp, used for moistureproof packing and dehydration and purification of industrial gases Silica Gel (tablet) : used for moistureproof for pharmaceutical & food industry Silica Gel for variable +C pressure adsorption : silimar to fine-pored Silica gel , Its selective adsorptive capability is higher than fine-pored silica gel. Silica gel for Column layer Chromatography : Since the amount of time ,it takes to adsorb the various substance ,it can achieve the separation and purification from the mixed components, used for refining petroleum and pharmaceutical industry. Silica gel for thin layer Chromatography : used for analysis and separation of various natural and synthetic substances. Cat Sands : used for pets , a ideal pet waste cleaner Silicic Acid : used for fusion agent for processing tungsten filaments Silica Alumina Gel : faint yellow molecular formula : SiO2. NAl2O3.mH2O , used for dewatering of natural gas, adsorption and separation of light hydrocarbon Activated Silica Gel : used for identifying poisonous and harmful gases for atmospheric monitoring & mining industry

Product List: S.NO. Chemical Name CAS NO. Application 1 2-Aminoacetophenone 551-93-9 Intermediate of Linagliptin 2 2-(Chloromethyl)-4-methylquinazoline 109113-72-6 Intermediate of Linagliptin 3 1-(mercaptomethyl) cyclopropane acetic acid 162515-68-6 Intermediate of Montelukast 4 2-Amino-3,5-dibromobenzaldehyde (ADBA) 50910-55-9 Intermediate of ambroxol 5 trans-4-Aminocyclohexanol (imported) 27489-62-9 Intermediate of ambroxol 6 1,1-Bis(hydroxymethyl)cyclopropane 39590-81-3 Intermediate of Montelukast 7 3â??-Hydroxy acetophenone 121-71-1 Intermediate of Phenylpherine 8 Methyl 4-methoxyacetoacetate 41051-15-4 Intermediate of Dolutegravir 9 Chloroacetonitrile 107-14-2 Intermediate of Linagliptin 10 Bromoacetonitrile 590-17-0 Chemical intermediate 11 Methylanthranilate 134-20-3 KRM of ambroxol 12 (R)-3-Amino-piperidine dihydrochloride 334618-23-4 Intermediate of Linagliptin 13 2-(2-(3-(2-(7-Chloro-2-quinolinyl)-ethenylphenyl)-3-hydroxypropyl)phenyl)-2-propanol 142569-70-8 Intermediate of Montelukast 14 4,6-dichloro-2-propylthiopyrimidine-5-amine 145783-15-9 Intermediate of Ticagrelor ( Scaled up) 15 (1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine 220352-38-5 Intermediate of Ticagrelor ( Development stage) 16 2-[[(3aR,4S,6R,6aS)-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol ethanedioate 1215268-15-7 Intermediate of Ticagrelor (Development stage) 17 N-(2-Amino-4,6-dichloro-5-pyrimidinyl)formamide 171887-03-9 Intermediate of Abacavir S.NO. PRODUCTS NAME Column Chromatography 1. Silicagel 60-120, 200-400, 400-600 ,100-200, 70-230 mesh 2. Activated Alumina or Aluminium oxide Neutral, Acidic & Basic 3. Flowgel (Florisil) 60-100 mesh 70-230 mesh 4. Silicagel Basic 70-230 mesh Speciality/Fine Chemicals 1. Zinc Borate. 2. Boron trioxide. 3. Boric acid ( BIS holder) 4. Trimethyl Borate 5. Mg-Al-Hydrotalcite / Zn-Al-Hydrotalcite. 6. Calcium Sodium Phosphosilicate for tooth paste 7. Ca-Zn-Stearate (1:1) powder. 8. Trisodium/ Disodium / Monosodium phosphate 9. Silicon Dioxide. 10. Calcium silicate /Titanium silicalite (TS1 & TS2)

Scope Determination (drinks) volatile organic compounds, blood alcohol content detection, detection of indoor air pollutants (TVOC), flavor liquor composition analysis, transformer oil analysis, testing, high-purity gas analysis of residual solvents in pharmaceuticals, medical devices remaining in Determination of ethylene oxide. Chromatograph units are mainly used: liquor factory, other wineries, petrochemical, gas liquefaction plant, the coal industry, environmental testing, inspection station, Forensic Center, the public security system, food plants, quality inspection departments, water plants, pharmaceutical plants, detection of pesticide plants, gas plants, chemical plants, packaging plant, paint factory, honey factory, chemical engineering universities and other trace ingredients are required to use gas chromatography, liquid chromatography Features 1. Large-screen LCD English display. Easy to learn. 2. With self-diagnosis, over-temperature shutdown protection, file storage, recall, fifth-order temperature-programmed functions, with single-column automatic compensation function; to ensure the stability of the baseline temperature programmed analysis. 3. Instrument has dual packed column inlet capillary column three, three gas independent way. 4. With six independent temperature control area, after intelligent door systems, cooling is very fast; each of the gasification chamber, detector and amplifier are modular design, installation is very easy to replace. 5. Complete with a separate capillary analysis system, an independent capillary split sampler (includes a diaphragm cleaning, split and tail blowing conditioning). Optional capillary split / splitless injector. 6. Instrument equipped with a flame ionization detector, thermal conductivity detector, a flame photometric detector, electron capture detector, NPD five kinds of detectors, three detectors can be installed, the user can according to their own self-analysis requires optional , also increase the six-way injection valve, reformer devices; and to achieve detector series and parallel work. Technical Parameters Temperature Indicators 1. Temperature Area: column oven, injector, detector 2. Temperature range: room temperature on 5 ? ~ 450 ? (Increment 1 ?) 3. Temperature accuracy: better than ± 0.1 ? 4. Temperature program: Eight-order rate of 0.1 ? ~ 40 ? / min (increments of 0.1 ?)

I. Introduction The SS-700 process VOCs monitoring system is based on the standards of HJ/T80, HJ/T75, HJ/T76 and other related standards, sampling by extraction method, configuration based on advanced gas chromatography, mass spectrometry separation technologies and hydrogen flame Ionization Detectors (FID), photoionization detectors (PID) to measure the composition of volatile organic gases such as total hydrocarbons (THC), non-methane total hydrocarbons (NMHC), aromatic hydrocarbons, esters, etc. According to the composition and detection requirements in the analysis project, it can be configured to meet the requirements of the analysis project and the frequency of analysis. At the same time, the optimization of instrument configuration can be performed to maximize the use of the instrument and ensure the continuity of sample analysis. reliability. The analysis system fully considers sample gas conditions, dew point and other factors, and specifically designs the pretreatment system to prevent the crystallization of components in sample gas from condensing and changing the concentration of components. The instrument uses special column combination, center cutting and back blowing technology and hydrogen flame ionization detector (FID) technology for detection. The FID Hydrogen Flame Ionization Detector is a typical mass detector that measures the mass change rate of a component in a GC gas. The response value is proportional to the mass of a component entering the detector per unit of time. II. Features 1.The system piping is imported clean stainless steel pipe to reduce adsorption; 2.The system adopts full calibration to eliminate the influence of a small amount of adsorption on the measurement. 3.The analytical method is consistent with the calibration method, and it is detected by GC-FID method. 4.The whole process of high-temperature 180 °C with hot sample transmission, high temperature FID detection, to avoid high-boiling VOCs adsorption and condensation, more accurate measurement; 5.Continuously run maintenance-free design, start-up automatic cycle operation, real online analysis; 6.The whole flow path insulation design is 180°C, no water vapor condensation, to avoid corrosion degradation of parts, suitable for high temperature / high humidity / corrosive conditions; 7.Non-methane total hydrocarbons and simultaneous monitoring of benzene, toluene, xylene and other components III. Application fields It is used for on-line monitoring of organized organic waste gas emissions from chemical, printing, pharmaceutical, rubber, spray coating, electronic semiconductor, synthetic leather, organic waste gas recovery.