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Products

8122 products
Welchrom Alumina-B, 50-200μm, 1000g
P/N: 00520-20053
$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-B, 50-200μm, 100g
P/N: 00520-20018
$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-B, 50-200μm, 10g
P/N: 00520-20017
$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-B, 500mg/3mL, 50pcs/pk
P/N: 00520-20005
$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, 500mg/6mL, 30pcs/pk
P/N: 00520-20006
$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, 50mg/ 1mL, 100pcs/pk
P/N: 00520-20116
$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, 5g/12mL, 20pcs/pk
P/N: 00520-20073
$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, 5g/60mL, 10pcs/pk
P/N: 00520-20042
$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/C18, 2.5g/2.5g/30mL, 10pcs/pk
P/N: 005PM-020-10
$220.00 USD
$220.00 USD
Comprising a combination of various adsorbents with optimized proportions based on multiple retention mechanisms, this cartridge harnesses the advantages of individual adsorbents. It effectively ad...
Welchrom Alumina-N, 100mg/1mL, 100pcs/pk
P/N: 00518-20001
$90.00 USD
$90.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 100mg/3mL, 50pcs/pk
P/N: 00518-20002
$60.00 USD
$60.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 10g/30mL, 10pcs/pk
P/N: 00518-20080
$70.00 USD
$70.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 10g/60mL, 10pcs/pk
P/N: 00518-20041
$70.00 USD
$70.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 120mg/3mL, 50pcs/pk
P/N: 00518-20127
$60.00 USD
$60.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 125mg/3mL, 50pcs/pk
P/N: 00518-20135
$60.00 USD
$60.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 150mg/3mL, 50pcs/pk
P/N: 00518-20003
$60.00 USD
$60.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 1g/12mL, 20pcs/pk
P/N: 00518-20075
$40.00 USD
$40.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 1g/3mL, 50pcs/pk
P/N: 00518-20068
$70.00 USD
$70.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 1g/6mL, 30pcs/pk
P/N: 00518-20007
$50.00 USD
$50.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 200mg/3mL, 50pcs/pk
P/N: 00518-20004
$60.00 USD
$60.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 200mg/6mL, 30pcs/pk
P/N: 00518-20014
$40.00 USD
$40.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 20g/60mL, 10pcs/pk
P/N: 00518-20137
$110.00 USD
$110.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 22g/60mL, 10pcs/pk
P/N: 00518-20037
$120.00 USD
$120.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...
Welchrom Alumina-N, 250mg/3mL, 50pcs/pk
P/N: 00518-20012
$60.00 USD
$60.00 USD
The Alumina-N surface treatment is neutral and can interact with aluminum metal centers to form hydrogen bonds with surface silanol groups or ion exchange with charged surfaces. It has strong reten...