Nuovi materiali di riferimento certificati Alpha Resources - Carbonio e Zolfo nei terreni

Data di rilascio: 17/01/2023 AR-4020 CARBON IN SOIL CRM LOTTO # 921J % CARBON MEAN = 1.09 Expanded Uncertainty = ± 0.07 (k=2, @ 95% confidence) (n=50)

Data di rilascio: 10/01/2023 AR-4019 CARBON AND SULFUR IN SOIL CRM LOTTO # 922H % CARBON MEAN = 0.13 Expanded Uncertainty = ± 0.03 (k=2, @ 95% confidence) (n=48) % SULFUR MEAN = 0.13 Expanded Uncertainty = ± 0.03 (k=2, @ 95% confidence) (n=46) Data di rilascio: 06/01/2023 AR-1707 S IN COAL CRM LOTTO # 071222

% SULFUR

2.51±0.06%S