Draeger, Inc. - DRA 6718701 - DT Dimethylsulfate 0.005/c (9)

Product Specific Information; Dräger Tubes - Dimethyl Sulphate 0.005/c, Short-term Tubes, 9 tests per box, By Draeger, P/N 6718701 Standard Measuring Range : 0.005 to 0.05 ppm Discoloration compared tocolour standard. Number of Strokes (n) : 200 Time for Measurement : app. 50 minStandard Deviation : ??30 % Colour Change : white ->blue Ambient Operating Conditions - Temperature : 15 to 30 ?C, Absolute Humidity : 3 to 15 mg H2O / L Reaction Principle - Dimethyl sulphate + 4-(4-Nitrobenzyl)-pyridine -> colourless alkylation product colourless alkylation product -> blue reaction product Cross Sensitivity - Phosgene and chloroformates give a yellow discoloration and it isimpossible to make a dimethyl sulphate measurement.Alcohols, ketones, aromatics and petroleum hydrocarbons in theTLV range do not interfere. Additional Information - After performing the required 200 pump strokes the reagentampoule must be broken. The liquid of the ampoule must betransferred to the indication layer and carefully drawn through itusing the pump. Wait five minutes before evaluating the indication.The tube must not be left in direct sunlight during the 5 minuteswaiting time.