Substances - Fresenius Umwelttechnik

Substances

Substances for Gas Analysis

We can moni­tor the­se gases for you (even more on request)

Categories

All Categories 121
Chlorinated Hydrocarbons 12
Hot Gases 2
Aromatic Hydrocarbons 8
Alkanes 6
Others 18
Alcohols / Ketones 4
Anesthetic Gases 5
Landfill Gases / Biogas / Composting Gases 2
Hydrogen 5
Helium 2
Carbon Dioxide 2
Carbon Monoxide 1
Argon 3
Methane 2
Oxygen 4
Nitrogen 3
Sulfides 1
Oxides 6
Binary Gases 3
Ammonia 4
Sulfur Hexafluoride 1
Azeotropic Fluorinated Hydrocarbon Mixtures 11
Fluorocarbons / Chlorofluorocarbons 16

Measurable Substances - All Categories

Gas ana­ly­sis using NDIR Sensor

Substance Formula Detection Limit Min. Measurement Range Max.
1,2-Dichlorobenzene
C₆H₄Cl₂
1.0 ppm (5 mg/m³)
8000 ppm (50 g/m³)
1,3-Butadiene
C₄H₆
2.2 ppm (5 mg/m³)
200 ppm (0.45 g/m³)
2,2,2,3-Tetrafluoropropanol (TFP)
C₃H₄F₄O
0.8 ppm (4 mg/m³)
5500 ppm (30 g/m³)
Acetone
C₃H₆O
0.8 ppm (2 mg/m³)
17000 ppm (40 g/m³)
Ammonia
NH₃
1.4 ppm (1 mg/m³)
120000 ppm (86 g/m³)
Ascusol (2-Brompropan)
C₃H₇Br
1.0 ppm (5 mg/m³)
10000 ppm (50 g/m³)
Benzene
C₆H₆
1.5 ppm (5 mg/m³)
12000 ppm (40 g/m³)
Chloroethylene / Vinyl Chloride
C₂H₃Cl
2 mg/m³
5 mg/m³
5 g/m³
125 g/m³
Chloromethane
CH₃Cl
2.0 ppm (5 mg/m³)
1000 ppm (2 g/m³)
Clindry (mix­tu­re)
-
20 mg/m³
50 g/m³
Cyclopentane
C₅H₁₀
0.6 ppm (2 mg/m³)
17000 ppm (50 g/m³)
Decafluoropentane (Vertrel)
C₅F₁₀
0.2 ppm (2 mg/m³)
1900 ppm (20 g/m³)
Decamethylcyclopentasiloxane
C₁₀H₃₀O₅Si₅
0.1 ppm (1 mg/m³)
33000 ppm (50 g/m³)
Desflurane
C₃H₂OF₆
0.2 ppm (1 mg/m³)
300 ppm (2 g/m³)
Dichloromethane
CH₂Cl₂
0.5 ppm (2 mg/m³)
11000 ppm (40 g/m³)
Dimethyl sul­f­oxi­de (DMSO)
C₂H₆OS
6.0 ppm (20 mg/m³)
15500 ppm (50 g/m³)
Nitrous oxi­de
N₂O
0.5 ppm (1 mg/m³)
6000 ppm (11 g/m³)
ENSOLV (1-Bromopropane)
C₃H₇Br
2.0 ppm (10 mg/m³)
10000 ppm (40 g/m³)
Enflurane
C₃H₂ClF₅O
0.4 ppm (3 mg/m³)
1000 ppm (70 g/m³)
Ethanol
C₂H₅OH
1.0 ppm (2 mg/m³)
21000 ppm (40 g/m³)
Ethyl ace­tate
H₃COOC₂H₅
1.1 ppm (4 mg/m³)
850 ppm (3 g/m³)
Moisture
H₂O
150.0 ppm (100 mg/m³)
400000 ppm (300 g/m³)
Formaldehyde
CH₂O
3 ppm (4 mg/m³)
160 ppm (0.2 g/m³)
HFE-71DE (Gemisch)
Various
0.2 ppm (5 mg/m³)
1600 ppm (40 g/m³)
Halothane
C₂HBrClF₃
0.5 ppm (4 mg/m³)
1200 ppm (10 g/m³)
Isoflurane
C₃H₂OClF₆
0.2 ppm (1 mg/m³)
2600 ppm (20 g/m³)
Iso-octa­ne
C₈H₁₈
0.4 ppm (2 mg/m³)
10500 ppm (50 g/m³)
Isopropyl alco­hol (IPA)
C₃H₇OH
0.8 ppm (2 mg/m³)
16000 ppm (40 g/m³)
Carbon dioxi­de
CO₂
0.01 Vol.-%
100 Vol.-%
Carbon mon­oxi­de
CO
0.1 ppm (4 mg/m³)
10000 ppm (12 g/m³)
Methane
CH₄
0.01 Vol.-%
100 Vol.-%
Methanol
CH₃OH
1.5 ppm (2 mg/m³)
30000 ppm (40 g/m³)
Methane Slip
CH₂
8 ppm (5 mg/m³)
225 ppm (0.15 g/m³)
Naphthalene
C₁₀H₈
1.0 ppm (7 mg/m³)
200 ppm (1 g/m³)
Perfluoropentane
C₅F₁₂
0.2 ppm (2 mg/m³)
1250 ppm (15 g/m³)
Phosgene
CCl₂O
0.2 ppm (1 mg/m³)
250 ppm (1 g/m³)
Pyridine
C₅H₅N
3.0 ppm (10 mg/m³)
15000 ppm (50 g/m³)
R11 Trichlorofluoromethane
CCl₃F
0.1 ppm (0.5 mg/m³)
0.2 ppm (1.0 mg/m³)
0.4 ppm (2.0 mg/m³)
17.5 ppm (0.1 g/m³)
350 ppm (2 g/m³)
7000 ppm (40 g/m³)
R113 1,1,2-Trichloro-1,2,2-Trifluoroethane
C₂Cl₃F₃
1.0 ppm (5 mg/m³)
3800 ppm (30 g/m³)
R114 Dichlorotetrafluoroethane
C₂Cl₂F₄
1.0 ppm (5 mg/m³)
4200 ppm (30 g/m³)
R12 Dichlorodifluoromethane
CCl₂F₂
0.1 ppm (0.5 mg/m³)
0.2 ppm (1.0 mg/m³)
0.4 ppm (2.0 mg/m³)
19.9 ppm (0.1 g/m³)
400 ppm (2 g/m³)
8000 ppm (40 g/m³)
R123 2,2-Dichloro-1,1,1-Trifluoroethane
C₂HCl₂F₃
1.0 ppm (5 mg/m³)
4700 ppm (30 g/m³)
R124 2-Chloro-1,1,1,2-Tetrafluoroethane
C₂HClF₄
1.0 ppm (5 mg/m³)
5300 ppm (30 g/m³)
R134a Tetrafluoroethane
C₂H₂F₄
0.1 ppm (0.5 mg/m³)
0.2 ppm (1.0 mg/m³)
0.4 ppm (2.0 mg/m³)
23.5 ppm (0.1 g/m³)
500 ppm (2 g/m³)
9000 ppm (40 g/m³)
R141b 1,1-Dichloro-1-Fluoroethane
C₂H₃Cl₂F
0.1 ppm (0.5 mg/m³)
0.2 ppm (1.0 mg/m³)
0.4 ppm (2.0 mg/m³)
20.5 ppm (0.1 g/m³)
400 ppm (2 g/m³)
8000 ppm (40 g/m³)
R22 Chlorodifluoromethane
CHClF₂
0.6 ppm (2 mg/m³)
4200 ppm (15 g/m³)
R23 Trifluoromethane
CHF₃
0.4 ppm (1 mg/m³)
6900 ppm (20 g/m³)
R245 1,1,1,3,1-Pentafluoropropane
C₃HF₅
0.7 ppm (4 mg/m³)
3000 ppm (20 g/m³)
R401A (15 % 1,1-difluoroethane / 33 % 2-chloro-1,1,2-tetrafluoroethane / 52 % chlo­ro­difluo­ro­me­tha­ne)
Various
1.2 ppm (5 mg/m³)
7300 ppm (30 g/m³)
R401B (13 % 1,1-difluoroethane / 27 % 2-chloro-1,1,2-tetrafluoroethane / 60 % chlo­ro­difluo­ro­me­tha­ne)
Various
1.3 ppm (5 mg/m³)
7400 ppm (30 g/m³)
R402A (38 % chlo­ro­difluo­ro­me­tha­ne / 60 % pen­ta­fluo­roetha­ne / 2 % pro­pa­ne)
Various
2.3 ppm (10 mg/m³)
6800 ppm (30 g/m³)
R402B (60 % chlo­ro­difluo­ro­me­tha­ne / 38 % pen­ta­fluo­roetha­ne / 2 % pro­pa­ne)
Various
2.5 ppm (10 mg/m³)
7300 ppm (30 g/m³)
R403B (56 % chlo­ro­difluo­ro­me­tha­ne / 39 % octa­fluo­ro­pro­pa­ne / 5 % pro­pa­ne)
Various
2.0 ppm (10 mg/m³)
5800 ppm (30 g/m³)
R404A (44 % pen­ta­fluo­roetha­ne / 4 % 1,1,1,2-tetrafluoroethane / 52 % 1,1,1-trifluoroethane)
Various
2.4 ppm (10 mg/m³)
7200 ppm (30 g/m³)
R407c Mixture of R32 Difluoromethane 23%, R125 Pentafluoroethane 25%, R134a Tetrafluoroethane 52%
Various
1.3 ppm (5 mg/m³)
7600 ppm (30 g/m³)
R410a Mixture of R32 Difluoromethane 50%, R125 Pentafluoroethane 50%
Various
2.8 ppm (10 mg/m³)
8400 ppm (30 g/m³)
R413a Mixture of R134a Tetrafluoroethane 88%, R218 Octafluoropropane 9%, R600a Isobutane 3%
Various
1.1 ppm (5 mg/m³)
6700 ppm (30 g/m³)
R507a Mixture of R125 Pentafluoroethane 50%, R143a Tetrafluoroethane 50%
Various
0.5 ppm (2 mg/m³)
7500 ppm (30 g/m³)
R508b Mixture of R23 Trifluoromethane 46%, R116 Hexafluoroethene 54%
Gemisch
2.6 ppm (10 mg/m³)
6800 ppm (30 g/m³)
Sulfur dioxi­de
SO₂
2.0 ppm
5000 ppm
Sulfur Hexafluoride
SF₆
0.5 ppm (2 mg/m³)
1000 ppm (6 g/m³)
Sevoflurane
C₄H₃OF₇
0.4 ppm (5 mg/m³)
6000 ppm (50 g/m³)
Nitrogen dioxi­de
NO₂
2.1 ppm (4 mg/m³)
8000 ppm (15 g/m³)
Nitric Oxide
NO
3.2 ppm (4 mg/m³)
12000 ppm (15 g/m³)
Nitrogen Trifluoride
NF₃
2.5 ppm (7.5 mg/m³)
10000 ppm (30 g/m³)
Styrene
C₈H₈
1.0 ppm (5 mg/m³)
6000 ppm (25 g/m³)
Total BTX aro­ma­tics
C₆H₆/C₇H₈/C₈H₁₀
1.5 ppm (5 mg/m³)
12000 ppm (40 g/m³)
Carbon Tetrachloride
CCl₄
0.8 ppm (2 mg/m³)
6000 ppm (40 g/m³)
Tetrachloroethylene
C₂Cl₄
0.3 ppm (2 mg/m³)
6000 ppm (40 g/m³)
Toluene
C₇H₈
1.5 ppm (5 mg/m³)
12000 ppm (40 g/m³)
Trichloroethylene
C₂HCl₃
0.3 ppm (2 mg/m³)
7500 ppm (40 g/m³)
Chloroform
CHCl₃
1.0 ppm (2 mg/m³)
8000 ppm (40 g/m³)
cis-1,2-Dichloroethene
C₂H₂Cl₂
2.0 ppm (10 mg/m³)
10000 ppm (40 g/m³)
m-Xylene / o-Xylene / p-Xylene
C₈H₁₀
1.5 ppm (5 mg/m³)
12000 ppm (40 g/m³)
n-Butan
C₄H₁₀
0.8 ppm (2 mg/m³)
21000 ppm (50 g/m³)
n-Butyl ace­tate
C₆H₁₂O₂
0.4 ppm (2 mg/m³)
8300 ppm (40 g/m³)
n-Heptane
C₇H₁₆
0.9 ppm (2 mg/m³)
12000 ppm (50 g/m³)
n-Hexane
C₆H₁₄
0.6 ppm (2 mg/m³)
14000 ppm (50 g/m³)
n-Pentane
C₅H₁₂
0.6 ppm (2 mg/m³)
17000 ppm (50 g/m³)
trans-1,2-Dichloroethene
C₂H₂Cl₂
1.2 ppm (2 mg/m³)
10000 ppm (40 g/m³)

Gas ana­ly­sis using Electrochemical Sensor

Substance Formula Detection Limit Min. Measurement Range Max.
Ammonia
NH₃
0 ppm
5000 ppm (3.53 g/m³)
Arsine
AsH₃
0.03 ppm
0.03 ppm
0.5 ppm
1.0 ppm
Chlor
Cl₂
0.0001 Vol.-%
0.025 Vol.-%
Hydrogen Chloride
HCl
0 ppm
100 ppm (0.150 g/m³)
Hydrogen Cyanide
HCN
0 ppm
0 ppm
50 ppm
150 ppm
Diborane
B₂H₆
0.03 ppm (0.03 mg/m³)
1 ppm (0.0012 g/m³)
Ethylene Oxide
C₂H₄O
0 ppm
100 ppm (0.183 g/m³)
Carbon Monoxide
CO
0 ppm
10000 ppm
Phosphine
PH₃
40 ppm (56 mg/m³)
2000 ppm (2.83 g/m³)
Ozone
O₃
0 ppm (0 mg/m³)
0 ppm (0 mg/m³)
1 ppm (0.002 g/m³)
5 ppm (0.009 g/m³)
Oxygen
O₂
0.0005 Vol.-%
30 Vol.-%
Sulfur Dioxide
SO₂
4 ppm (10 mg/m³)
2000 ppm (5 g/m³)
Hydrogen Sulfide
H₂S
1 ppm
1 ppm
2000 ppm
10000 ppm
Nitrogen Dioxide
NO₂
3 ppm (6 mg/m³)
200 ppm (0.382 g/m³)
Nitrogen Monoxide
NO
30 ppm (40 mg/m³)
5000 ppm (6.23 g/m³)
Wasserstoff
H₂
0.001 Vol.-%
1 Vol.-%

Gas ana­ly­sis using Thermal Conductivity Detector (TCD)

Substance Formula Detection Limit Min. Measurement Range Max.
Ammonia in Nitrogen
NH₃
0 Vol.-%
100 Vol.-%
Ammonia in Hydrogen
NH₃
0 Vol.-%
100 Vol.-%
Argon in Carbon Dioxide
Ar
40 Vol.-%
100 Vol.-%
Argon in Oxygen
Ar
0 Vol.-%
100 Vol.-%
Argon in Nitrogen / Air
Ar
0 Vol.-%
100 Vol.-%
Helium in Argon
He
0 Vol.-%
100 Vol.-%
Helium in Nitrogen / Air
He
0 Vol.-%
100 Vol.-%
Carbon Dioxide in Argon
CO₂
0 Vol.-%
100 Vol.-%
Carbon Dioxide in Nitrogen / Air
CO₂
0 Vol.-%
100 Vol.-%
Carbon Monoxide in Hydrogen
CO
0 Vol.-%
100 Vol.-%
Methane in Argon
CH₄
0 Vol.-%
100 Vol.-%
Methane in Nitrogen / Air
CH₄
0 Vol.-%
100 Vol.-%
Oxygen in Argon
O₂
0 Vol.-%
100 Vol.-%
Oxygen in Nitrogen
O₂
0 Vol.-%
100 Vol.-%
Sulfur Hexafluoride in Nitrogen / Air
SF₆
0 Vol.-%
100 Vol.-%
Stickstoff in Argon
N₂
0 Vol.-%
100 Vol.-%
Stickstoff in Kohlenstoffdioxid
N₂
0 Vol.-%
100 Vol.-%
Stickstoff in Wasserstoff
N₂
0 Vol.-%
100 Vol.-%
Hydrogen in Argon
H₂
0 Vol.-%
100 Vol.-%
Hydrogen in Helium
H₂
20 Vol.-%
100 Vol.-%
Hydrogen in Carbon Dioxide
H₂
0 Vol.-%
100 Vol.-%
Hydrogen in Methane
H₂
0 Vol.-%
100 Vol.-%
Hydrogen in Nitrogen / Air
H₂
0 Vol.-%
100 Vol.-%

Gas ana­ly­sis using Zirconium Oxide Sensor

Substance Formula Detection Limit Min. Measurement Range Max.
Oxygen
O₂
0 Vol.-%
0 Vol.-%
5 Vol.-%
5 Vol.-%
25 Vol.-%
95 Vol.-%

Gas ana­ly­sis using Paramagnetic Sensor

Substance Formula Detection Limit Min. Measurement Range Max.
Oxygen
O₂
0.1 Vol.-%
0.1 Vol.-%
0.1 Vol.-%
0.1 Vol.-%
5 Vol.-%
25 Vol.-%
50 Vol.-%
100 Vol.-%

Professional Gas Analysis: Reliable, Scalable, and Low-Maintenance

Our gas ana­ly­zers (also refer­red to as sam­ple gas ana­ly­zers) deli­ver real-time, online gas mea­su­re­ments – sta­ble, sca­lable, and low-main­ten­an­ce.
The table abo­ve covers more than 100 gases and mix­tures, with full search and fil­ter opti­ons (name, for­mu­la, cate­go­ry) as well as details on detec­tion limits and mea­su­re­ment ran­ges.

Depending on your appli­ca­ti­on, we com­bi­ne NDIR, TDLAS, elec­tro­che­mi­cal sen­sors, para­ma­gne­tic mea­su­re­ment, zir­co­ni­um dioxi­de, ther­mal con­duc­ti­vi­ty and many other sen­sor tech­no­lo­gies.
Our ana­ly­zers and gas coo­lers are ide­al for pro­cess gases, bio­gas, flue gas/emission moni­to­ring, qua­li­ty assu­rance, and rese­arch.

Your bene­fits:

  • Reliable gas ana­ly­sis with user-fri­end­ly ana­ly­zers

  • Precise, real-time data for pro­cess con­trol and report­ing

  • Full inte­gra­ti­on with con­trol sys­tems

Whether it’s H₂, He, CH₄, CO₂, CO, NH₃, SO₂ or com­plex VOC matri­ces – we con­fi­gu­re the right ana­ly­zer for your pro­cess and safe­ty requi­re­ments.

The table illus­tra­tes just part of our capa­bi­li­ties. Additional sub­s­tances can be moni­to­red upon request.

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