Spectra/Por® 6, dialysis membranes made, MWCO 1000, width 18 mm, 1 unit(s)Spectra Por 6, dialysis membranes made, MWCO 1000, width 18 mm Material: cellulose, regenerated. Packaged moist in 0. 05% sodium azide solution, on rolls Contain low quantities of contaminations such as sulphides and heavy metals Recommended storage temperature +4 C Max. application temperature +60 C Metal traces: cadmium <0. 02 ppm, lead 2 6 ppm, chromium 0. 1 0. 2 ppm, magnesium 0. 1 0. 3 ppm, copper 0. 8 1. 2 ppm, nickel 1. 3 1. 7 ppm, iron 20 60