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Products

8122 products
Welchrom Alumina-A, 2g/12mL, 20pcs/pk
P/N: 00519-20008
$50.00 USD
$50.00 USD
Welchrom Alumina-A is an alumina solid phase extraction adsorbent with an acidic surface (pH-4.5) It has a particle size of 50-200µm and can be used as a strong polar adsorbent and a medium cation ...
Welchrom Alumina-A, 2g/6mL, 30pcs/pk
P/N: 00519-20036
$60.00 USD
$60.00 USD
Welchrom Alumina-A is an alumina solid phase extraction adsorbent with an acidic surface (pH-4.5) It has a particle size of 50-200µm and can be used as a strong polar adsorbent and a medium cation ...
Welchrom Alumina-A, 50-200μm, 1000g
P/N: 00519-20053
$1,270.00 USD
$1,270.00 USD
Welchrom series packing includes polymer-based packing materials, silica based packing materials, and inorganic sorbent. It can be used in SPE cartridge, QuEChERS method and Flash cartridges. The s...
Welchrom Alumina-A, 50-200μm, 100g
P/N: 00519-20018
$140.00 USD
$140.00 USD
Welchrom series packing includes polymer-based packing materials, silica based packing materials, and inorganic sorbent. It can be used in SPE cartridge, QuEChERS method and Flash cartridges. The s...
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Welchrom Alumina-A, 50-200μm, 10g
P/N: 00519-20017
$15.00 USD
$15.00 USD
Welchrom series packing includes polymer-based packing materials, silica based packing materials, and inorganic sorbent. It can be used in SPE cartridge, QuEChERS method and Flash cartridges. The s...
Welchrom Alumina-A, 500mg/3mL, 50pcs/pk
P/N: 00519-20005
$70.00 USD
$70.00 USD
Welchrom Alumina-A is an alumina solid phase extraction adsorbent with an acidic surface (pH-4.5) It has a particle size of 50-200µm and can be used as a strong polar adsorbent and a medium cation ...
Welchrom Alumina-A, 500mg/6mL, 30pcs/pk
P/N: 00519-20006
$40.00 USD
$40.00 USD
Welchrom Alumina-A is an alumina solid phase extraction adsorbent with an acidic surface (pH-4.5) It has a particle size of 50-200µm and can be used as a strong polar adsorbent and a medium cation ...
Welchrom Alumina-A, 50mg/1mL, 100pcs/pk
P/N: 00519-20116
$90.00 USD
$90.00 USD
Welchrom Alumina-A is an alumina solid phase extraction adsorbent with an acidic surface (pH-4.5) It has a particle size of 50-200µm and can be used as a strong polar adsorbent and a medium cation ...
Welchrom Alumina-A, 5g/60mL, 10pcs/pk
P/N: 00519-20042
$60.00 USD
$60.00 USD
Welchrom Alumina-A is an alumina solid phase extraction adsorbent with an acidic surface (pH-4.5) It has a particle size of 50-200µm and can be used as a strong polar adsorbent and a medium cation ...
Welchrom Alumina-B, 100mg/12mL, 20pcs/pk
P/N: 00520-20102
$40.00 USD
$40.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 100mg/1mL, 100pcs/pk
P/N: 00520-20001
$90.00 USD
$90.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 100mg/3mL, 50pcs/pk
P/N: 00520-20002
$60.00 USD
$60.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 10g/30mL, 10pcs/pk
P/N: 00520-20080
$90.00 USD
$90.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 10g/60mL, 10pcs/pk
P/N: 00520-20041
$90.00 USD
$90.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 150mg/3mL, 50pcs/pk
P/N: 00520-20003
$60.00 USD
$60.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 1g/12mL, 20pcs/pk
P/N: 00520-20075
$50.00 USD
$50.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 1g/3mL, 50pcs/pk
P/N: 00520-20068
$80.00 USD
$80.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 1g/6mL, 30pcs/pk
P/N: 00520-20007
$60.00 USD
$60.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 200mg/3mL, 50pcs/pk
P/N: 00520-20004
$60.00 USD
$60.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 200mg/6mL, 30pcs/pk
P/N: 00520-20014
$40.00 USD
$40.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 20g/60mL, 10pcs/pk
P/N: 00520-20137
$220.00 USD
$220.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 2g/12mL, 20pcs/pk
P/N: 00520-20008
$60.00 USD
$60.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 2g/6mL, 30pcs/pk
P/N: 00520-20036
$70.00 USD
$70.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...
Welchrom Alumina-B, 4g/12mL, 20pcs/pk
P/N: 00520-20095
$70.00 USD
$70.00 USD
Welchrom Alumina-B is the alkaline alumina SPE adsorbent made by solving acidized alumina with alkaline solution. The surface is negatively charged and has a function similar to the exchange of cat...