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About Us

IPI Information

Proficiency testing on abundance and composition of marine microalgae.

About Us

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Registration Form

Registration to the IPI exercise is now live.

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IPI Plan

Current Programme

Please find the schedule to this years’ intercomparison exercise 2019.


All our work is carried out following and to the technical and managerial standard requirements for PT schemes (ISO17043) and the data is statistically analysed using the statistical methods as laid out in ISO13528 ‘Statistical methods for use in PT by interlaboratory comparisons’. We use the statistical database software ProLab Plus from QuoData to do the statistical evaluation of the participants’ data.