
Sample Preparation
P/N: 00520-20042
Welchrom Alumina-B, 5g/60mL, 10pcs/pk
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...
P/N: 00520-20041
Welchrom Alumina-B, 10g/60mL, 10pcs/pk
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...
P/N: 00520-20137
Welchrom Alumina-B, 20g/60mL, 10pcs/pk
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...
P/N: 00520-20073
Welchrom Alumina-B, 5g/12mL, 20pcs/pk
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...
P/N: 00520-20080
Welchrom Alumina-B, 10g/30mL, 10pcs/pk
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...
P/N: 00519-20001
Welchrom Alumina-A, 100mg/1mL, 100pcs/pk
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 ...
P/N: 00519-20002
Welchrom Alumina-A, 100mg/3mL, 50pcs/pk
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 ...
P/N: 00519-20003
Welchrom Alumina-A, 150mg/3mL, 50pcs/pk
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 ...
P/N: 00519-20004
Welchrom Alumina-A, 200mg/3mL, 50pcs/pk
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 ...
P/N: 00519-20005
Welchrom Alumina-A, 500mg/3mL, 50pcs/pk
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 ...
P/N: 00519-20068
Welchrom Alumina-A, 1g/3mL, 50pcs/pk
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 ...
P/N: 00519-20014
Welchrom Alumina-A, 200mg/6mL, 30pcs/pk
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 ...
P/N: 00519-20006
Welchrom Alumina-A, 500mg/6mL, 30pcs/pk
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 ...
P/N: 00519-20007
Welchrom Alumina-A, 1g/6mL, 30pcs/pk
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 ...
P/N: 00519-20116
Welchrom Alumina-A, 50mg/1mL, 100pcs/pk
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 ...
P/N: 00519-20036
Welchrom Alumina-A, 2g/6mL, 30pcs/pk
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 ...
P/N: 00519-20075
Welchrom Alumina-A, 1g/12mL, 20pcs/pk
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 ...
P/N: 00519-20008
Welchrom Alumina-A, 2g/12mL, 20pcs/pk
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 ...
P/N: 00519-20042
Welchrom Alumina-A, 5g/60mL, 10pcs/pk
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 ...
P/N: 00519-20041
Welchrom Alumina-A, 10g/60mL, 10pcs/pk
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 ...
P/N: 00519-20137
Welchrom Alumina-A, 20g/60mL, 10pcs/pk
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 ...
P/N: 00551-20007
Welchrom Na2SO4, 1g/6mL, 30pcs/pk
Welchrom Na₂SO₄ material is comprised of highly pure anhydrous sodium sulfate, featuring dehydrating properties that effectively eliminate interference from moisture in the sample. Its cleanliness ...
P/N: 00551-20036
Welchrom Na2SO4, 2g/6mL, 30pcs/pk
Welchrom Na₂SO₄ material is comprised of highly pure anhydrous sodium sulfate, featuring dehydrating properties that effectively eliminate interference from moisture in the sample. Its cleanliness ...
P/N: 00551-20117
Welchrom Na2SO4, 34g/60mL, 10pcs/pk
Welchrom Na₂SO₄ material is comprised of highly pure anhydrous sodium sulfate, featuring dehydrating properties that effectively eliminate interference from moisture in the sample. Its cleanliness ...
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