Sartorius, 14062--50----RKN, Orange Serum Nutrient Pad Set with Gridded Membrane Filters, 0.45 Micro mFeatures:Nutrient pad sets - dehydrated media pads in petri dishes , pre-sterilized, along with suitable membrane filters for economical, time-saving microbiological quality control.No other ready-to-use culture media assures such consistently high quality and reproducible results up to 24 months.Compliance with international standards and referencesHighly versatile - multiple applicationsEconomical - no time consuming and labor intensive preparation of nutrient media (sterilization, cleaning etc.)Easy handling - no need for comprehensive microbiological testing equipmentSartorius Nutrient Pad Sets have been used successfully in the membrane filter method for more than 30 years. Practical and easy to handle, Nutrient Pads reduce labor and simplify many microbiological testing procedures. Microorganisms require the appropriate culture media for optimal growth. Nutrient Pad Sets are sterile, dehydrated culture media. Once they are moistened with 3.0 - 3.5 ml of sterile and demineralized (or pure ) water they are ready-to-use immediately. The level of moisture is optimal when an excess ring of water surrounding the NPS is visible.The standard NPS box contains 100 sterile Nutrient Pads, each of which is individually inserted in a petri dish and sterilized. Ten each of these petri dishes are sealed in an aluminum bag. This special packaging in bags protects the sensitive formula constituents of the Nutrient Pad during transport and storage from fluctuations in humidity and temperature. As a result, it guarantees the high quality of NPS throughout their entire shelf life up to 24 months. This makes the Sartorius Nutrient Pads Sets unique: No other ready-to-use culture media around the globe assures such consistently high quality and reproducible results up to 24 months.Compliance with International Standards. Aside from the European drinking water directive, they comply with other international regulations and recommendations: international pharmacopoeias, DIN and ISO standards, the American Standards for Water and Foods, mineral water regulations, brewery guidelines, such as MEBAC or EBC, and recommendations of the food industry, such as LMBG, NCA and ICUMSA, etc.Unit of MeasurePack of 10 boxesQuantity Per Box10 pcs.