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Enterprise Villa 4-3, Changping District, Beijing
Beijing Green Hundred Grass Technology Development Co., Ltd
Enterprise Villa 4-3, Changping District, Beijing
WondaSep GC-e/PSASimultaneously containing graphitized carbon andPSASolid phase extraction column for packing.PSAIon exchange capacity ratioNH2Stronger, with a stronger ability to remove anions.

useWondaSep GC-e/PSAAnalyze pesticide residues in tea:

WondaSep GC-e/PSA Solid Phase Extraction
Related products:
WondaSep HLBSolid phase extraction column is a hydrophilic and lipophilic co equilibrium type solid phase extraction column, with both hydrophilic and lipophilic groups on the packing surface. Widely used, it has a good retention effect on non-polar to polar compounds.
WondaSep GC-e/PSA Solid Phase ExtractionSpecifications:

WondaSep NH2It is a solid-phase extraction column packed with silica gel bonded aminopropyl groups. The main forces are weak anion exchange and polar interaction, The secondary force is a weak non-polar force. Commonly used for the removal of pigments and organic acids in pesticide residue analysis, as well as pre-treatment of carbamate residues in crops.
WondaCap 5It's bonding5%phenyl-95%Weakly polar capillary column of methyl polysiloxane. Suitable for analysis of pesticide residues, volatile organic compounds, etc.
WondaSep GC-e/PSA Solid Phase Extraction

Ji Er Introduction
Ji'er (Shanghai) Trading Co., Ltd. is a Japanese companyGL SciencesA subsidiary established in China through investment.GL SciencesIt is a Japanese manufacturer of chromatography consumables, in collaboration with the parent companyGL SciencesSimilarly, Jier will also be committed to providing various products to our customers, helping them solve various problems encountered in the field of analytical chemistry, and establishing a complete sales and service system in the Chinese market, doing a good job in pre-sales and after-sales work with dedication.
In addition to consumables,GL SciencesThere are also many instruments and fully automatic blowing and trapping devices used in conjunction with chromatographic instruments. likeDMI-Multi functional injection port,OP275 Pro IISmell system,ED743Electrochemical detector,PT7000Blow and capture device, prepare gas phase analyzerVPS2800Wait, it can be used in conjunction with chromatography instruments from various brands on the market