Table of Contents Table of Contents
Previous Page  405 / 628 Next Page
Information
Show Menu
Previous Page 405 / 628 Next Page
Page Background www.restek.com

403

SAMPLE HANDLING |

SAMPLE PREPARATION

Bulk Adsorbents

Sodium Sulfat

(Bulk Adsorbent)

• Ideal for removing water from sample extracts.

• Activate by heating to 400 °C for four hours before use.

• Packaged in recloseable 5 kg buckets.

Anhydrous sodium sulfate is the most common drying agent used to remove moisture

from sample extracts. We package our 60 mesh material in recloseable buckets.

26204

Florisil® PR

(Bulk Adsorbent)

• Pesticide residue grade.

• Packaged in glass containers.

Florisil® PR is commonly used to remove polar interferences from pesticide residues.

This bulk material is ideal for labs packing their own extraction cartridges for pesticide

residue extractions.

26135

Granulat d Activat d Copp r

(Bulk Adsorbent)

• Convenient form for removing sulfur from environmental extracts.

• Acidified and activated—ready for use.

Activated copper effectively removes elemental sulfur from environmental extracts.

Our acid-washed and activated material can be used right out of the package. The 30

mesh granular material eliminates the potential for fine copper particles in filtered

extracts.

26136

Ottawa Sand

(Bulk Adsorbent)

• Sample medium for matrix spikes and laboratory control blanks.

• Packaged in convenient 5 kg buckets.

Ottawa sand is listed in several U.S. EPA methods as the specified medium for matrix

spike and laboratory control blanks.

26137

Diatomac ous Earth

(Bulk Adsorbent)

• Improves extraction efficiency.

• Adsorbs moisture from samples.

Diatomaceous earth is used as a filter aid to improve extraction efficiency of densely

packed soils, such as clays. By mixing the sample with diatomaceous earth, recoveries

can be improved and excess moisture can be absorbed. Packaged in a convenient 1 kg

quantity.

26033

Description

qty.

cat.#

price

Sodium Sulfate

5 kg

26204

Description

qty.

cat.#

price

Florisil PR, 60/100 mesh

500 g

26135

Description

qty.

cat.#

price

Granulated Activated Copper, 30 mesh

1 kg

26136

Description

qty.

cat.#

price

Ottawa Sand

5 kg

26137

Description

Similar to Dionex Part #

qty.

cat.#

price

Diatomaceous Earth, 30/40 mesh

062819

1 kg

26033