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2023 Proficiency Test (PT) on Naphtha started
The letter of instructions can be downloaded here as a pdf document. To download a document, please click the right mouse button and choose the "save as" option.
Please download the instructions for the PT iis23N01 here: the letter of instructions and the report form here
Download the instuctions for iis23N01Hg here: letter of instructions for Hg and the report form here
Summary of this proficiency test:
On 8 March 2023 the
proficiency test on
Naphtha started with
86 participants from 37 different countries. On that date, the samples were dispatched to the laboratories. Enclosed to the sample is the material safety data sheet (MSDS).
Please confirm sample receipt as soon as you have received and checked the contents of the sample package via
www.kpmd.co.uk/sgs-iis/. Please enter the date of receipt and press the "save date" button.
The samples can be analyzed
on: Organic Chlorides, Color
Saybolt, Copper Corrosion
3hrs at 50°C, Density at
Mercaptan Sulfur as S,
Sulfur, Mercury as Hg,
Arsenic as As, Lead as Pb,
Total Vapour Pressure and
The deadline for reporting results is set on
14 April 2023.
A laboratory that reports test results after the deadline will definitely not get direct feedback in case any of its results are suspect! So be in good time to get the most out of this proficiency test.
The test results should be reported via our internet based results reporting platform www.kpmd.co.uk/sgs-iis/.
A login and a password can be requested via email to firstname.lastname@example.org