Skip to main content

Table 4 Fractions of soluble and particulate U and size distribution of particulate U in EPS extracts detected by ICP-MS (diluted 200 times)

From: Roles of extracellular polymeric substances in uranium immobilization by anaerobic sludge

TestTimeSoluble (%)Particulate (%)Mean size (nm)Particle concentration (parts/mL)
Test 1Day 715.1 ± 1.384.9 ± 5.342.8 ± 3.590,667 ± 4431
Test 2Day 09.66 ± 0.790.3 ± 3.319.9 ± 0.958,646 ± 1947
Day 313.1 ± 1.086.9 ± 4.637.6 ± 2.4364,762 ± 6707
Day 515.5 ± 0.384.5 ± 6.141.7 ± 4.2374,427 ± 7619
Day 713.8 ± 0.786.2 ± 5.243.5 ± 1.1384,747 ± 3377
Test 3Day 714.5 ± 0.685.5 ± 3.342.3 ± 2.7146,833 ± 7786
Day 7 after 4-day air exposure6.4 ± 0.493.6 ± 6.736.2 ± 1.3523,062 ± 1044
Test 4Day 714.7 ± 0.885.3 ± 2.943.6 ± 3.5155,788 ± 3328