High-resolution Peeper (hr-peeper), independently developed in the intelligent environment, has a High spatial and temporal resolution and can be used to detect more than 30 dissolved objects

  1. Nutrient: Fe, P, NH4+, NO3-, NO2-
  2. Heavy Metal: Cd, Co, Cu, Mn, Zn, Pb, Ni, As, Cr, Mo, Sb, Se, V, W

in pore water, which greatly meets the requirements of rapid and high-resolution acquisition of sediment pore water.