Linde (Thailand) Public Company Limited

Site

Wellgrow Operation Center

Accreditation No.

9864

Site No.

9857

Date of Accreditation

09 May 1995

Address

105 Moo 5, TAMBOL BANGSAMAK, Ampur Bangpakong, CHACHOENGSAO 24180
0
Thailand

linde.co.th

Contact

Ms Sukanya Parinyasoontorn P: 66 38570490

Availability

Services conditionally available to external clients

Linde (Thailand) Public Company Limited address map

Scope of Accreditation

Print scopes
Wellgrow Operation Center

ISO/IEC 17025 (2017)

Calibration

  • The uncertainty of measurement is reported as an expanded uncertainty having a level of confidence of 95% unless stated otherwise
Service Product Determinant Technique Procedure Limitations
Chemical metrology - Characterisation of gases Gas blends Concentration Comparison measurement by instrumentation

Capability

Gasses: Argon, Carbon dioxide, Carbon monoxide, Carbonyl sulfide, Ethanol, Ethylene oxide, Ethyl mercaptan, Helium, Hydrocarbons - C2 to C6, Hydrocarbons total, Hydrogen, Krypton, Methane, Methanol, Methyl mercaptan, Nitrogen, Nitrogen dioxide, Nitrogen oxide, Oxygen, Propane, Sulfur compounds, Sulfur dioxide, Water vapour

10% relative for concentrations 0.1 μmol/mol to ≤ 10 μmol/mol

5% relative for concentrations > 10 μmol/mol to ≤100 μmol/mol

2% relative for concentrations > 100 μmol/mol to ≤ 20 mmol/mol

1% relative for concentrations > 20 mmol/mol

ISO/IEC 17025 (2017)

Materials

Service Product Determinant Technique Procedure Limitations
Analysis for chemical composition of gas and aerosols Industrial gas supplies excluding fuels and calibration mixtures Hydrogen Gas chromatography (GC)

In-house ACC-TCD-01; ACC-HID-01; SG-H-01;  SG-H-02; SG-H-03; GS-LA-02; ACC-HID-02; ACC-H-01

1 μmol/mol to 0.5 mol/mol

Water vapour Electrochemical detector in-house method I-PB-377 1 μmol/mol to 1 mmol/mol
Oxygen Electrochemical detector in-house method I-PB-343 1 μmol/mol to 1 mmol/mol
Carbon monoxide Fourier transform infrared spectroscopy (FTIR) in-house method I-PB-352 0.1 μmol/mol to 0.3 mol/mol
Nitric oxide Chemiluminescence in-house ACC-EPA-01
 1μmol/mol to 1mmol/mol
Carbon dioxide (CO2) Nondispersive infrared (NDIR) in-house method I-PB-307 5 mmol/mol to 0.2 mol/mol
Methane Gas chromatography (GC)

In-house ACC-TCD-02; ACC-FID-01; ACC-MET-01; ACC-RGA-01; SG-HC-01; SG-CO-02; SG-HC-02; SG-HC-03; ACC-LA-01

0.2 μmol/mol to 0.5 mol/mol

Total hydrocarbons Total Hydrocarbon (THC) analyser in-house method I-PB-338
 0.2 μmol/mol to 0.1 mmol/mol
Carbon monoxide Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352

0.1 μmol/mol to 0.3 mol/mol

Hydrocarbons: C2-C6 Gas chromatography (GC)

In-house ACC-FID-01; ACC-TCD-04; ACC-RGA-01; SG-HC-04; SG-HC-05; SG-HC-06; SG-HC-07; SG-HC-08; SG-HC-09; SG-HC-10; ACC-FID-02

0.5 μmol/mol to 0.5 mol/mol

Oxirane (ethyleneoxide) Gas chromatography (GC)

In-house SG-ETO-02

0.5 μmol/mol to 1 mmol/mol

Carbon dioxide (CO2) Gas chromatography (GC)

In-house SG-GC-03; SG-CO-04; SG-LA-01; SG-LA-02; ACC-LA-01

0.5 μmol/mol to 0.5 mol/mol

Total hydrocarbons Gas chromatography (GC)

In-house I-PB-338

0.2 μmol/mol to 0.1 mmol/mol

Krypton Gas chromatography (GC)

In-house SG-Kr-01; ACC-O-01

10 mmol/mol to 0.8 mol/mol

Propane Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352

0.1 μmol/mol to 0.5 mol/mol

Carbonyl sulfide; Ethylmercaptan; Sulfur dioxide Gas chromatography (GC)

In-house ACC-SCD-01


Determinant:Limitation/Range:
Carbonyl sulfide1 μmol/mol to 5 mmol/mol
Sulfur dioxide
1 μmol/mol to 5 mmol/mol
Ethylmercaptan1 μmol/mol to 0.5 mmol/mol
Carbon monoxide Gas chromatography (GC)

In-house ACC-HID-01; ACC-TCD-03; ACC-MET-01; SG-CO-01; SG-CO-02; SG-CO-03; SG-LA-02; ACC-LA-01

0.5 μmol/mol to 0.5 mmol/mol

Nitric oxide Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352

0.2 μmol/mol to 0.3 mol/mol

Carbon dioxide (CO2); Carbon monoxide; Methane Gas chromatography (GC) in-house method SG-CO05
 5µmol/mol to 500µmol/mol
Methane Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352

0.2 μmol/mol to 0.5 mol/mol

Nitric oxide Gas chromatography (GC)

In-house ACC-EPA-01

0.1 μmol/mol to 5 mmol/mol

Nitrogen Gas chromatography (GC)

In-house ACC-TCD-02; ACC-HID-01; SG-LA-02; SG-N-01; SG-N-03; SG-N-04; SG-N-05; ACC-LA-01; ACC-O-01

5 μmol/mol to 0.5 mol/mol

Helium Gas chromatography (GC)

In-house SG-He-01; ACC-O-01

0.5 μmol/mol to 0.5 mol/mol

Sulfur dioxide Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352

1 μmol/mol to 5 mmol/mol

Oxygen Gas chromatography (GC)

In-house SG-O-01; SG-O-02; ACC-TCD-02; ACC-LA-01; ACC-O-01

100 μmol/mol to 0.999 mol/mol

Ethanol; Methanol Gas chromatography (GC)

In-house ACC-OX-01

5 μmol/mol to 0.5 mmol/mol

Argon Gas chromatography (GC)

In-house SG-A01; SG-A-02; ACC-A-01; ACC-LA-01

1 mmol/mol to 0.5 mol/mol

Oxygen Electrochemical detector In-house I-PB-391 10 μmol/mol to 100 μmol/mol
Industrial gas supplies excluding fuels and calibration mixtures; Medical gases Carbon dioxide (CO2) Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352

3 mmol/mol to 0.2 mol/mol

Oxygen Paramagnetic cell

In-house I-PB-303; I-PB-354; I-PB-307

Procedure:Limitation/Range:
in-house I-PB-303
0.1 mol/mol to 0.999 mol/mol
in-house I-PB-354
10 mmol/mol to 0.999 mol/mol
in-house I-PB-30710 mmol/mol to 0.999 mol/mol


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