Specifications

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21
PerkinElmer
UltraClean THGA Graphite Tubes
THGA Contact Cylinders
Matrix Modifiers for
Graphite Furnace AA
PerkinElmer provides you with the
maximum performance and the lowest
possible detection limits with our
high-quality matrix modifiers.
PerkinElmer matrix modifiers thermally
stabilize the analyte, allowing higher
pyrolysis temperatures to be used, reducing background absorption,
and eliminating potential interferences.
Matrix Modifiers
■
High-purity compounds minimize the risk of contamination
■
Optimum graphite furnace program can be used due to reduced analyte volatility
■
Convenient, ready to use
Key Benefits
■
UltraClean THGA graphite tubes have the lowest possible contamination levels
due to extensive high-temperature gas-phase cleaning procedures
■
UltraClean THGA graphite tubes are tested and specified for blank levels of
Cr, Ni, V, Mo, Ti (<0.003 integrated absorbance units) and Na, Fe, Al, Si, Ca
(<0.0005 integrated absorbance units)
UltraClean THGA Graphite Tubes
For the lowest possible detection limits, residual contaminant levels
may not be low enough to meet your requirements. For the most
demanding analyses, PerkinElmer offers UltraClean THGA graphite
tubes — delivering exceptionally low levels of contamination due
to advanced high-temperature gas-phase cleaning procedures.
UltraClean graphite tubes offer unmatched analytical advantages
for special applications such as the determination of extremely low
traces of Na, Ca, Fe, Cr and Ni in ultra-clean reagents used in the
semiconductor industry, and ultra-trace analyses of environmental,
clinical, or food samples.
Description Part No.
5-pack B3140361
20-pack B3140362
These graphite contact cylinders are engineered for a precise fit so that variations
in electrical contact –– which might affect the analytical performance — are
reduced to a minimum. Contact cylinders with a modified injection port area help to
minimize condensation and improve analytical performance with difficult matrices.
Standard THGA Graphite Contact Cylinders
Description Part No.
1 pair B0504035
5 pairs B0504036
Modified THGA Contact Cylinders
Description Part No.
1 pair B3002103
5 pairs B3002102
Accessories and Spare Parts
Description Part No.
O-Ring (behind Contact Cylinder, front and back) B0500748
Contact Cylinder Removal Tools B3120405
THGA Instrument Mirror
Used to optimize drying temperatures and times.
Part No.
B0851900
Modifiers Concentration Volume Part No.
Mg(NO
3
)
2
1% Mg (as nitrite) 100 mL B0190634
Pd 1% Pd (as nitrite) 50 mL B0190635
NH
4
H
2
PO
4
10% NH
4
H
2
PO
4
100 mL N9303445
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