National Association of Testing Authorities, Australia
Scope of Accreditation
Vipac Engineers and Scientists Ltd
Site
Gas Technology Services
Accreditation No.
676
Site No.
669
Date of Accreditation
13 Nov 1967
Contact
Availability
Services available to external clients
Scope of Accreditation
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 - Dynamic gas blenders | Dynamic gas blenders | Volume fractions | Absolute method |
in-house method WI-UIN-0201 |
In-house calibration only | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Capability 1.2% |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Chemical metrology - Gas analysers | Gas analysers | Concentration | Direct measurement by certified reference material |
in-house method WI-UIN-66 |
CO: (electrochemical) 0-1000ppm O2: (electrochemical) 0-25% CH4 (thermal conductivity): 0-100% CH4 (hot wire): 0-100% CH4 (catalytic combustion): 0-100% CH4 (semiconductor): 0-500ppm CH4 (IR): 0-100% C3H8 (thermal conductivity): 0-1000ppm C3H8 (hot wire): 0-100% C3H8 (catalytic combustion): 0-100% C3H8 (semiconductor): 0-1000ppm C3H8 (IR): 0-100% H2S (electrochemical): 0-100ppm Natural gas (thermal conductivity): 0-100% |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Capability CO: Electrochemical: 5% relative or 6ppm over the range 0-1000ppm, whichever is greater O2: Electrochemical: 2.5% relative or 0.2% Oxygen over the range 0-25% Oxygen, whichever is greater CH4: Thermal conductivity: 3% methane over the range 0-100% methane CH4: Hot wire: 2% LEL over the range 0-100% LEL CH4: Catalytic combustio): 2% LEL over the range 0-100% LEL CH4: Semiconductor: 5% or 5ppm (whichever is larger) in the range 0-500ppm and 5% in the range 500-1000ppm CH4: IR: 2% from 0-100% C3H8: Thermal conductivity: 2.5% relative or 5ppm over the range 0-1000ppm C3H8: Hot wire: 2% LEL over the range 0-100% LEL C3H8: Catalytic combustion: 2% LEL over the range 0-100% LEL C3H8: Semiconductor: 5% or 5ppm (whichever is larger) in the range 0-500ppm and 5% in the range 500-1000ppm C3H8: IR: 2% from 0-100% H2S: Electrochemical: 5% relative or 3ppm over the range 0-100ppm, whichever is greater Natural gas: Thermal conductivity: 3% gas/methane over the range 0-100% gas/methane |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ISO/IEC 17025 (2017)
Materials
| Service | Product | Determinant | Technique | Procedure | Limitations |
|---|---|---|---|---|---|
| Analysis of biofuels, hydrocarbon fuels and related fuel products | Gaseous fuels | Argon; Carbon dioxide (CO2); Carbon monoxide; Helium; Hydrogen; Nitrogen; Oxygen | GC-TCD |
In-house WI-UC-086 |
|
| Sulfur - Total |
In-house WI-UC-104 Technique to be advised |
||||
| Copper corrosion; Mercaptan sulfur; Sulfur - Total | Classical |
In-house WI-UC-082 Mercaptan/Sulfur/Total sulfur technique to be confirmed |
|||
| Reformed gas analysis | Gas chromatography (GC) |
In-house WI-UC-111 ASTM D1946 |
|||
| Calorific value; Density; Relative density (specific gravity); Wobbe index | Calculation |
In-house WI-UC-105 |
|||
| Hydrocarbons: C1-C7 | GC-FID |
In-house WI-UC-086 |
|||
| Heating value; Relative density (specific gravity); Vapour pressure; Wobbe index | Calculation |
ISO 6976 |
|||
| Heating value; Relative density (specific gravity) | Calculation |
In-house WI-UC-086 |
|||
| Composition of gaseous fuels | Gas chromatography (GC) | ASTM D1945 and in-house WI-UC-112 | |||
| Argon; Carbon dioxide (CO2); Carbon monoxide; Helium; Nitrogen; Oxygen | GC-TCD |
In-house WI-UC-086 |
|||
| Water dew point; Water vapour content | Classical |
ASTM D1142 and in-house WI-UC-101 |
|||
| Copper corrosion | Classical |
ASTM D183 and ISO 6251 |
|||
| Hydrocarbons: C1-C7 | GC-FID |
In-house WI-UC-086 |
|||
| Gaseous fuels; Liquid fuels | Motor octane number (MON) | Calculation |
In-house WI-UC-109 |
||
| Liquefied petroleum gases (LPG) | Hydrogen sulfide | Classical |
ISO 8819 and in-house WI-UC-108 |
||
| Liquid fuels | Propane | Classical; Valve freeze |
ASTM D2713 and in-house WI-UC-114 |
||
| Calorific value; Density; Vapour pressure; Wobbe index | Calculation |
In-house WI-UC-105 |
|||
| Residue on evaporation | Classical |
JLPGA-S-03 and in-house WI-UC-102 |
|||
| Mercaptan sulfur | Calculation; Classical; Titration |
BS 2000-272 and in-house WI-UC-103 |
|||
| Sample collection | Biofuels, hydrocarbon fuels and related fuel products | Not applicable |
Liqufied petroleum gases: ASTM D1265 and in-house WI-UC-086 Gaseous fuels: ISO 10715 Annex F - indirect spot sampling using evacuated cylinder Petroleum gaseous fuels - In-house WI-UC-106 Technique to be advised |
||
| Gases and aerosols | Not applicable |
In-house WI-UC-086 Technique to be advised |
The only data displayed is that deemed relevant and necessary for the clear description of the activities and services covered by the scope of accreditation.
Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.
Accreditation No.
676
Site No.
669
Print date
01 Jul 2022