ISO 3071

DETERMINATION OF PH OF AQUEOUS EXTRACT

HISTORICAL

Year

2016

2017

2018

2019

2020

Number of participants

11

12

14

17

19

Participants OK

7

8

9

10

12

Participants NOT OK

3

4

4

5

314

Participants CANCELED

1

0

1

2

2

References:

Participants OK: All properties were determined correctly

Participants NOT OK: Some or all of the properties were not determined correctly

Participants CANCELED: A participant who has decided not to continue or has not submitted results before the deadline.