Mercury analyzer RA-915+

MERCURY DETERMINATION
with RA-915+ analyzer
APPLICATIONS
v. 2/2002
Mercury analyzer RA-915+
Direct
Air
Cold vapor
e
b
m
irA
a
t
n
u
l
F
g
e
a
s
R
A
+
5
1
9
A
R
9
+
5
1
F
A
RP-91 (liqvid)
Pyrolis
PYRO915 (Complex matrix samples)
RP-91С (sediments, rocks)
Mercury analyzer RA-915+
Main technical data and specifications
e
b
m
irA
a
t
n
u
l
F
g
e
a
s
F
A
Built-it battery
External direct current source
Alternative current source,
through external unit
Power consumption
220/110 V
20 W
Dimensions (mm)
Weight (kg)
460 * 210 * 110
7.5
-R
A
+
5
1
9
A
R
+
5
1
9
6.3 V (4 hours)
10 – 14 V
Main analytical features (air analysis)
Detection limit
2 ng/m3
Max Hg concentration
under determination
50 000 ng/m3
Reproducibility
<5%
Mercury analyzer RA-915+
USAGE IN THE LABORATORY AND FIELD CONDITIONS
e
b
m
irA
a
t
n
u
l
F
g
e
a
s
-R
A
+
5
1
9
A
R
9
+
5
1
F
A
Multifunctional mercury spectrometer
Due to the low power consumption (15 W) and low weight (7.5 kg with built-in batteries) the
spectrometer can be used for mercury determination in air and natural gas, samples of soils,
rocks, water in laboratory as well as in field conditions.
Mercury concentration, ng/m3
15
0
10
M. Kirovskiy Zavod
Leninskiy ave.
F
A
e
b
m
irA
a
t
n
u
l
F
g
e
a
s
-R
A
+
5
1
9
A
R
9
+
5
1
20
Distance, km
30
Lahta
Center
Savushkina 115
Ushakov bridge
Krestovskiy ave.
river Karpovka
Dvorcoviy bridge
Issakievskaya sqv.
Suburb
M. Technologicheskiy Institute
Stachek sqv.
25
Ligovo
Krasnoe selo
Mercury distribution along a
profile across St. Petersburg
Suburb
10
5
0
40
Mercury determination in a natural gas
flow
e
b
m
irA
a
t
n
u
l
F
g
e
a
s
-R
A
+
5
1
9
A
R
9
+
5
1
F
A
ordinary observation at a gas well
long-term measurement mode
Mercury determination in a natural gas
flow
Temporal variability of the mercury content in
hydrocarbon gas from the Mirnenskoye deposit
C, µg/m3
5
e
b
m
irA
a
t
n
u
l
F
g
e
a
s
-R
A
+
5
1
9
A
R
9
+
5
1
F
A
4
3
15
18
21
24
3
6 Time, h (19-20.08.98)
Typical fragment of a record with 142-min regular
variations
MERCURY DETERMINATION
+
+
with RARA-915 analyzer
MERCURY DETERMINATION IN THE AQUEOUS SAMPLES
S, abs.un
70
60
6
7
8
50
e
b
m
irA
a
t
n
u
l
F
g
e
a
s
-R
A
+
5
1
9
A
R
9
+
5
1
F
A
40
30
Mercury determination in
standard aqueous samples
1
20
2
3
4
5
10
Mercury concentration:
1-5 – 2 ng/l
6-8 – 10 ng/l
0
0
100
200
300
400
500
600
700
800
900
1000 1100
Time, sec
ISO 9001
www.lumex.ru
Design of a two-chamber atomiser
Analytical
Cell
Second chamber
800 C
First chamber
800C
Container with a sample
Mercury analyzer RA-915+ and
RP-91C pyrolysis attachment
e
b
m
irA
a
t
n
u
l
F
g
e
a
s
-R
A
+
5
1
9
A
R
9
+
5
1
F
A
Reference material
NIST 1630a
(Coal)
DOLT-2
(Fish liver)
DORM-1
(Fish)
IAEA 140
(Sea plant)
Weight, Measured value, Certificate value,
mg
ppb
ppb
60
99
105±23
140
92
50
1860
2140±240
110
2070
50
860
798±74
100
780
80
28
29±7
170
32
Deviation
%
-9
-8
+4
0
Mercury determination in sea plant
sample (IAEA 140)
1
2
3
1 – Reference material SORT2 - HgO in quartz
sand (31 ppb). Sample weight 110 mg
2 - IAEA 140 - 50 mg (Measured value- 32 ppb),
3 - IAEA 140 - 125 mg (Measured value- 28 ppb).
Certified value- 29±7 ppb
Mercury determination in crude oil
samples
DI Abs
DHg Abs
4
3
8E-4
2
6E-4
1
4E-4
0
2E-4
1
2
3
0
1200
1800
Time, s
2400
N on Weight, С Hg,
Fig
mg
ppb
1
84
3,0
2
170
3,3
3
24
3,1
Mercury determination in foodstuff
(pyrolytic method)
Sample
Fish
Bread
Cheese
Sausages
Tea
Sugar
Chocolate
Vegetables,
(fruits)
Maximum
concentration limit,
ppb
300-700
10
30
30
100
10
100
20
Maximum
sample weight,
mg
300
>300
120
300
100
40
100
500
Detection
limit, ppb
0,5
0,4
2
0,5
2
5
2
0,3
Thermospectra of the samples
(mercury species)
S, arb.un
cinnobar
0.06
organic
mercu 3
4
1- Jasperiod GXR1
2- Sediments IAEA356 (72% MeHg)
3- Tuna fish IAEA350 (80% MeHg)
4- Soil SCHT-3 (HgS impurities)
0.04
2
1
0.02
0.00
0
100
200
300
400
Temperature, C
500
600
700
MERCURY DETERMINATION
+
MAIN APPLICATIONS
+
with RARA-915 analyzer
• mercury in the ambient air – background
monitoring and continuous survey
• detection of indoor pollution and control of
demercurization
• mercury in soils and water – rapid analysis of solid
and liquid samples
• mercury in biological samples
• mercury in the human body – analysis of hair,
blood, urine, exhaled air
• mercury determination in the natural gas and other
fossil fuels
• geochemical exploration and ecological surveys
• scientific research
ISO 9001
www.lumex.ru