Life Science
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G25 column (espesyal na column para sa SPE)
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CN (Cyanide SPE column)
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Column ng carbon SPE na may naka-activate na bao ng niyog
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C18Q(hydrophilic octadecyl SPE column)
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C18W(octadecyl SPE column, unsealed)
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C18 (end-capped octadecyl SPE column)
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C8/SCX (octyl/sulfonic acid SPE column)
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C8 (octyl SPE column)
