# delta 15N NH4 # detected 15N-labeled contaminants in commercial 15N2 gas; publishet al. 2014 # PI: Julie Granger (UCoe Granger (UConn) # Version: 16 Dec 2014 # # Notes: # Samples with the same ID are replicated measurements. # Controls were not supplemented with 15N2 gas. ========================= lecture_bottle ------------------------- Sigma_A1 ========================= solution headspace N2_injection ------------------------- 40 20 0.1 ========================= lecture_bottle ------------------------- Sigma_A2 ========================= solution headspace N2_injection ------------------------- 40 20 0.1 ========================= lecture_bottle ------------------------- Sigma_B ========================= solution headspace N2_injection ------------------------- 40 20 0.1 ========================= lecture_bottle ------------------------- Cambridge_A ========================= solution headspace N2_injection ------------------------- 100 20 0.1 10 10 2.0 ========================= lecture_bottle ------------------------- Cambridge_B ========================= solution headspace N2_injection ------------------------- 10 10 2.0