A novel, inexpensive, and sensitive microanalytical system for the determination of total
ammonia-nitrogen (ammonia-N) in water was developed. The system was designed to …

This work reports on the development of a simple, green and inexpensive analytical method
utilizing a microwell plate for ammonia determination by combining pervaporation with a …

A simple and cost-effective analytical device based on gas pervaporation and diffusion
method for determination of ammonia is proposed. The proposed device is consisted of a …

A rapid and highly sensitive paper-based colorimetric device for the on-site detection of
ammonia (NH3) gas is presented in this study. The detection principle of this device is based …

Continuous monitoring and rapid on-site determination of toxic ammonia in various aqueous
systems are important for maintaining water quality and preserving the environment. Though …

A microfluidic paper-based analytical device (μPAD) is proposed for the selective detection
of ammonia in water by using the modified Berthelot reagent and a fluidic channel consisting …

The membraneless-gas separation microfluidic paper-based analytical device (ML-GS
μPAD), consisting of donor, spacer, and acceptor layers, was developed to monitor total …

A porous cellulose tape impregnated with a processing solution that includes Eosine Bluish,
p-toluenesulfonic acid, glycerin and methanol is a highly sensitive means of detecting …

Ammonia nitrogen pollution comes from a variety of sources, resulting in a wide distribution
of concentrations and forms of existence across different samples. The on-site rapid …

A small-size gas-tight optical measuring system for detection of ammonia nitrogen in water
was prepared based on gas-phase ammonia induced color change of the sensing element …