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GRS-20 GC Capillary Columns

GRS-20 GC Capillary Columns

GRS-20 is 20% phenyl substitution are the GRS designations of phenyldimethylpolysiloxane phases. The phenyl substitutions contribute to the "induced dipole" selectivity of these phases. A column coated with either phase displays excellent efficiency and thermal stability. These phases provide an excellent alternative for drug and environmental pollutant analyses where greater retention of aromatic compounds is necessary.

  • Bonded and crosslinked
  • Comparable to: OV-3, OV-7
  • Similar phases: Rtx -20, SPB-20
  • USP Phase Specification: G32

GRS-20 Phenyl Methylpolysiloxane columns are available in all standard column I.D.'s and column lengths



Item Name Product Image Price

Zodiac GRS-20 GC Column 0.01µm x 25mm x 0.25mm ID - GRS-20-25-0.01F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.01 Length (mm): 25 ID (mm): 0.25
Zodiac GRS-20 GC Column 0.01µm x 25mm x 0.25mm ID - GRS-20-25-0.01F
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Zodiac GRS-20 GC Column 0.03µm x 10mm x 0.1mm ID - GRS-20-10NB-0.03F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.03 Length (mm): 10 ID (mm): 0.1
Zodiac GRS-20 GC Column 0.03µm x 10mm x 0.1mm ID - GRS-20-10NB-0.03F
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Zodiac GRS-20 GC Column 0.1µm x 15mm x 0.1mm ID - GRS-20-15NB-0.1F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.1 Length (mm): 15 ID (mm): 0.1
Zodiac GRS-20 GC Column 0.1µm x 15mm x 0.1mm ID - GRS-20-15NB-0.1F
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Zodiac GRS-20 GC Column 0.1µm x 15mm x 0.32mm ID - GRS-20-15W-0.1F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.1 Length (mm): 15 ID (mm): 0.32
Zodiac GRS-20 GC Column 0.1µm x 15mm x 0.32mm ID - GRS-20-15W-0.1F
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Zodiac GRS-20 GC Column 0.1µm x 25mm x 0.25mm ID - GRS-20-25-0.1F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.1 Length (mm): 25 ID (mm): 0.25
Zodiac GRS-20 GC Column 0.1µm x 25mm x 0.25mm ID - GRS-20-25-0.1F
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Zodiac GRS-20 GC Column 0.1µm x 25mm x 0.32mm ID - GRS-20-25W-0.1F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.1 Length (mm): 25 ID (mm): 0.32
Zodiac GRS-20 GC Column 0.1µm x 25mm x 0.32mm ID - GRS-20-25W-0.1F
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Zodiac GRS-20 GC Column 0.1µm x 50mm x 0.32mm ID - GRS-20-50W-0.1F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.1 Length (mm): 50 ID (mm): 0.32
Zodiac GRS-20 GC Column 0.1µm x 50mm x 0.32mm ID - GRS-20-50W-0.1F
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Zodiac GRS-20 GC Column 0.25µm x 15mm x 0.25mm ID - GRS-20-15-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 15 ID (mm): 0.25
Zodiac GRS-20 GC Column 0.25µm x 15mm x 0.25mm ID - GRS-20-15-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 15mm x 0.32mm ID - GRS-20-15W-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 15 ID (mm): 0.32
Zodiac GRS-20 GC Column 0.25µm x 15mm x 0.32mm ID - GRS-20-15W-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 20mm x 0.18mm ID - GRS-20-20HS-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 20 ID (mm): 0.18
Zodiac GRS-20 GC Column 0.25µm x 20mm x 0.18mm ID - GRS-20-20HS-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 25mm x 0.1mm ID - GRS-20-25NB-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 25 ID (mm): 0.1
Zodiac GRS-20 GC Column 0.25µm x 25mm x 0.1mm ID - GRS-20-25NB-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 25mm x 0.25mm ID - GRS-20-25-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 25 ID (mm): 0.25
Zodiac GRS-20 GC Column 0.25µm x 25mm x 0.25mm ID - GRS-20-25-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 25mm x 0.32mm ID - GRS-20-25W-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 25 ID (mm): 0.32
Zodiac GRS-20 GC Column 0.25µm x 25mm x 0.32mm ID - GRS-20-25W-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 30mm x 0.25mm ID - GRS-20-30-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 30 ID (mm): 0.25
Zodiac GRS-20 GC Column 0.25µm x 30mm x 0.25mm ID - GRS-20-30-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 30mm x 0.32mm ID - GRS-20-30W-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 30 ID (mm): 0.32
Zodiac GRS-20 GC Column 0.25µm x 30mm x 0.32mm ID - GRS-20-30W-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 50mm x 0.18mm ID - GRS-20-50HS-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 50 ID (mm): 0.18
Zodiac GRS-20 GC Column 0.25µm x 50mm x 0.18mm ID - GRS-20-50HS-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 50mm x 0.25mm ID - GRS-20-50-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 50 ID (mm): 0.25
Zodiac GRS-20 GC Column 0.25µm x 50mm x 0.25mm ID - GRS-20-50-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 50mm x 0.32mm ID - GRS-20-50W-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 50 ID (mm): 0.32
Zodiac GRS-20 GC Column 0.25µm x 50mm x 0.32mm ID - GRS-20-50W-0.25F
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Zodiac GRS-20 GC Column 0.25µm x 60mm x 0.25mm ID - GRS-20-60-0.25F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.25 Length (mm): 60 ID (mm): 0.25
Zodiac GRS-20 GC Column 0.25µm x 60mm x 0.25mm ID - GRS-20-60-0.25F
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Zodiac GRS-20 GC Column 0.2µm x 20mm x 0.18mm ID - GRS-20-20HS-0.2F

GRS-20 GC Column Phase: GRS-20 GC Capillary Columns Particle size (µm): 0.2 Length (mm): 20 ID (mm): 0.18
Zodiac GRS-20 GC Column 0.2µm x 20mm x 0.18mm ID - GRS-20-20HS-0.2F
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