Mercury Analyzers comparison0 pages

Mercury Analayzers At A Glance
OVERVIEW

Hydra IIAA
Principle Analytical Chemical reduction
Technique
followed by cold vapor
atomic absorption
(CVAA)

Hydra IIC

QuickTrace
M-7600

QuickTrace
M-8000

Chemical reduction
followed by cold vapor
atomic absorption
(CVAA)

Chemical reduction
with or without Hg
pre-concentration
followed by cold vapor
atomic fluorescence
(CVAF)

Thermal
decomposition
followed by
amalgamation and
atomic absorption

Sample Matrix

• Aqueous samples
• Aqueous samples
• Hg measured from
• Hg measured from
low ng/L to mg/L levels sub ng/L to high µg/L
levels

• Aqueous samples
• When the lowest
detection levels are
required

• Solid, semi-solid
matrices
• Analysis without
sample preparation

Instrument
Detection Limit

≤ 5 ng/L

≤ 0.5 ng/L

Pre-concentration
mode
≤ 0.05 ng/L

≤ 0.2 ng

Short Term
Precision
(% RSD @ 95%
Confidence, N=5)

@ 20 ng/L ≤ 3.3

@ 20 ng/L ≤ 1.2

Pre-concentration
mode @ 5 ng/L ≤2.5

@ 10 ng ≤ 4

Usable Range

5 ng/L – 1 mg/L

0.5 ng/L – 500 µg/L

<0.05 ng/L – 400 µg/L

0.5 ng – 1500 ng;
<25,000 ng with
extended range
option

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