2nd AFRILAB meeting Zoom platform, 30 September - 1 - 8 October (English) Mr. Wesley Feldmann, FES – Agricultural Laboratory, Malawi

1. Wesley Feldmann
FES-Agrilab, Malawi

2. Introduction
• A start-up agricultural laboratory operating
for one year
• Equipped with:
• pH and EC automated analyser
• PSD automated analyser
• Continuous flow analyser
• ICP-OES
• Combustion analyser
• GC/LC-MS/MS

3. Results of 2019 Proficiency Testing
Parameter Soil Type Z-score
pH
A <2
B <2
C <2
EC
A >4
B >4
C >4
OC_Combustion
A >4
B >4
C >4
N_Dumas
A >4
B >4
C >4

4. Actions taken
• Implemented a checklist with a variety of
lines of control
1. Reference materials and internal controls
2. Blind samples and replicates
3. Proficiency testing
• GLOSOLAN, AgriLASA, WEPAL
4. Instrument validation
• Results screening through the use of
templates

5. Thanks for your attention