Helmut Anhamm Stahl- u.Apparatebau

The company mainly produces and sells products such as ammonium chloride, potassium nitrate, potassium carbonate, potassium sulfate, calcium nitrate, calcium ammonium nitrate, potassium bicarbonate, magnesium nitrate, barium nitrate, calcium nitrite,

Keller Lufttechnik is a high-technology company with world-wide interests specialized in capturing and collecting air pollutants and reducing emissions at industrial applications.

- 13C-gas analysers based on NDIRS (breath test, environmental tests) - H2-breath analysers - accessories and consumables: auto sampler, bags, mouthpieces, test substances - service for 15N-analysers - manufacturing in Germany