packed bed liquid chromatography column

Chemical preparations, namely, chromatography chemicals in the nature of sorbent and support materials, for use in solid phase extraction as chromatography column packing media in gas chromatography and/or air monitoring

Chemical preparations, namely, sorbent materials, supports, and stationary phases for use in gas chromatography and/or air monitoring

Treatment of materials; recycling of trash and waste; air purification and water treatment; printing services; food and beverage preservation; production and processing of fuels and other sources of energy; waste treatment (transformation); treatment and processing of plastic materials; material treatment services in connection with recycling; recycling; waste recycling; treatment of waste; upcycling (waste recycling); energy treatment and transformation; treatment and transformation of miner...