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Rtx®-65 and MXT®-65 Columns

By Restek

Crossbond® 65% diphenyl/35% dimethyl polysiloxane

  • General purpose columns for phenols, fatty acids.
  • Temperature range: 50°C to 300°C.
  • Equivalent to USP G17 phase.

In diphenyl/dimethyl polysiloxane stationary phases, increased phenyl substitution improves separation of aromatic compounds, owing to increased phase-analyte interaction. The Rtx®-65(Fused silica)/MXT®-65(Silcosteel®) phase contains a very high phenyl content. A unique polarity makes these columns ideal for a variety of analyses, from phenols to FAMEs. As a confirmation column for EPA Method 604 phenols, an Rtx®-65/MXT®-65 column produces a different elution order, compared to the primary Rtx®-5 column. Rtx®-65/MXT®-65 columns elute FAMEs according to equivalent chain length, similar to bonded Carbowax® columns. However, the Rtx®-65/MXT®-65 phase does not suffer the thermal stability limitations of other polar stationary phases.

The MXT®-65 (Silcosteel®) offers rugged, flexible, inert, Silcosteel® treated stainless steel.

Rtx®-65 (Fused Silica)

               
Cat.No. Column L I.D. Film Thickness Temp Range EA    
226-17020 15m 0.25mm 0.25µm 50 to 300°C $374.00
1/EA
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226-17050 15 0.25 1.00 50 to 260/280 DISCONTINUED  
226-17021 15 0.32 0.25 50 to 300 DISCONTINUED  
226-17036 15 0.32 0.50 50 to 280/300 DISCONTINUED  
226-17051 15 0.32 1.00 50 to 260 DISCONTINUED  
226-17022 15 0.53 0.25 50 to 290/300 DISCONTINUED  
226-17035 15 0.53 0.50\ 50 to 280/300 DISCONTINUED  
226-17037 15 0.53 0.50 50 to 270/290 DISCONTINUED  
226-17052 15 0.53 1.00 50 to 250/270 $426.00
1/EA
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226-17023 30m 0.25mm 0.25µm 50 to 300°C $575.00
1/EA
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226-17038 30 0.25 0.50 50 to 280/300 $575.00
1/EA
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226-17053 30 0.25 1.00 50 to 260/280 $575.00
1/EA
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226-17024 30 0.32 0.25 50 to 300 $610.00
1/EA
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226-17039 30 0.32 0.50 50 to 280/300 $575.00
1/EA
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226-17054 30 0.32 1.00 50 to 260/280 $610.00
1/EA
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226-17025 30 0.53 0.25 50 to 290/300 DISCONTINUED  
226-17040 30 0.53 0.50 50 to 270/290 DISCONTINUED  
226-17055 30 0.53 1.00 50 to 250/270 $677.00
1/EA
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MXT®-65 (Silcosteel®)

               
Cat.No. Column L I.D. Film Thickness Temp Range EA    
226-71801 10 0.18mm 0.20µm 20 to 370°C DISCONTINUED  
226-71804 10 0.18 0.40 20 to 370 DISCONTINUED  
226-77020 15m 0.25mm 0.25µm 50 to 300°C $410.00
1/EA
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226-77035 15 0.25 0.50 50 to 300°C DISCONTINUED  
226-77050 15 0.25 1.00 50 to 300 DISCONTINUED  
226-71802 20m 0.18mm 0.20µm 20 to 370°C DISCONTINUED  
226-71805 20 0.18 0.40 20 to 370 DISCONTINUED  
226-77023 30m 0.25mm 0.25µm 50 to 300°C $662.00
1/EA
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226-77038 30 0.25 0.50 50 to 300 DISCONTINUED  
226-77053 30 0.25 1.00 50 to 300 DISCONTINUED  
226-71803 40m 0.18mm 0.20µm 20 to 370°C DISCONTINUED  
226-71806 40 0.18 0.40 20 to 370 DISCONTINUED  

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