Diammonium diaquabis(phosphato)triferrate(II), (NH(4))(2)[Fe(3)(P(2)O(7))(2)(H(2)O)(2)], was synthesized under solvo-thermal conditions at 463 K. The crystal structure, isotypic to its Mn and Ni analogues, is built from iron pyrophosphate layers parallel to (100), which are linked by ammonium ions sitting in the inter-layer space via O-H⋯O and N-H⋯O hydrogen bonds. There are two crystallographi...

We follow the evolution of polyoxomolybdate nanoparticles in suspensions derived from the keplerate (NH4)42[MoVI72MoV60O372(CH3CO2)30(H2O)72].ca..300H2O.ca..10CH3CO2NH4 ({Mo132}) by flow field-flow fractionation (FlFFF) to monitor the particle-size distribution in situ, atomic force and high-resolution transmission electron microscopy (AFM, SEM, and HRTEM) to confirm particle sizes, inductively...

The levels of dissolved sulfate and methane are crucial indicators in the geochemical analysis of pore water. Compositional analysis of pore water samples obtained from sea trials was conducted using Raman spectroscopy. It was found that the concentration of SO42- in pore water samples decreases as the depth increases, while the expected Raman signal of methane has not been observed. A possible...

The long-term effects of ambient PM2.5 and chemical constituents on childhood pneumonia were still unknown. A cross-sectional study was conducted in 30,315 children the China Children, Homes, Health (CCHH) project, involving 205 preschools six cities China, to investigate lifetime-ever diagnosed pneumonia. Information demographics collected by validated questionnaires. lifetime annual average P...

Abstract. Despite the progress made in latest decades, air pollution is still primary environmental cause of premature death Europe. The urban population risks more likely to suffer related high concentrations pollutants, such as particulate matter smaller than 10 µm (PM10). Since composition these particulates varies with space and time, understanding origin essential determine most efficient ...