398
SAMPLE HANDLING |
SAMPLE PREPARATION
Bulk Adsorbents
Ottawa Sand
• Sample medium for matrix spikes and laboratory control blanks.
• Packaged in convenient 5 kg buckets.
Ottawa sand is listed in several US EPA methods as the specified medium for matrix
spike and laboratory control blanks.
Description
qty.
cat.#
price
Ottawa Sand
5kg
26137
Diatomaceous Earth
• 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.
Description
Similar to Dionex part # qty.
cat.#
price
Diatomaceous Earth, 30/40 mesh
062819
1kg
26033
Florisil® PR
• Pesticide residue grade.
• Each lot certified to meet AOAC method requirements.
• 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 chromatography columns for pes-
ticide residue extractions.
Granulated Activated Copper
• 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.
Description
qty.
cat.#
price
Granulated Activated Copper, 30 mesh
1kg
26136
Sodium Sulfate
• Ideal for removing water from sample extracts.
• Requires activation 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.
Description
qty.
cat.#
price
Sodium Sulfate
5kg
26204
Description
qty.
cat.#
price
Florisil PR, 60/100 mesh
500gms
26135
26033
26137
26135
26136
26204
Website :
E-mail :
TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011
