Drying Traps

Drying Traps

Catalog# CGIDT-01 , CGIDT-02 , CGIDT-03 , CGIDT-04
Combination Molecular Traps
CAS No.
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                           Moisture Absorber - Traps

Selection Guide for Bottle Size and Solvent Volume

Catalog #SizeQuantity of AcetonitrileApproximate Dimensions (mm)Inner Bottle Neck DiameterPics
CGIDT-01

Small

(2 gm)

10-50ml10X3012 mm
CGIDT-02

Medium

(5g)

50-100ml15x8517mm
CGIDT-03

Large

(10g)

1000-2500ml22x8528mm
CGIDT-04

Extra-Large

(20g)

4000ml22x13524mm 

Efficiency in Moisture Absorption

The Drying Trap is vacuum-packed, and it needs to be opened even if it is used, and the seal of the reagent bottle must be ensured during use. Below the water absorption of the traps of different sizes, as determined by coulometric analysis of acetonitrile spiked with water.

 

Quantity of AcetonitrileAmount of Moisture present in wet solventNumber to Traps requiredSize of trapTime requiredAchieved
10-50ml180-200ppmOneSmall /2g24 Hours35-40ppm or lower
50-100ml180-200ppmOneMedium/5g24 Hours35-40ppm or lower
0L-2.5L180-200ppmOneLarge/10g24 Hours35-40ppm or lower
5L to 4.0L180-200ppmOneExtra Large/20g24 Hours35-40ppm or lower

 

Quality Assurance:

The Drying Trap fill has been use tested by quantifying amine removal from commercial sources of solvent. For the customer, product quality is assured by examining the package before use. First, by verifying that the packet vacuum is intact, as any loss of vacuum indicates air entry which would reduce the performance of the product; and second to check for any powder leakage inside the foil packet which would indicate a leak point in the membrane pouch.