NA 119

DIN Standards Committee Water Practice

DIN 38409-44 [CURRENT] references following documents:

Document number Edition Title
DIN 12252 1979-04 Laboratory glassware; interchangeable ground stoppers More 
DIN 12781 1978-04 Laboratory glassware; straight enclosed scale laboratory thermometers for partial immersion More 
DIN 38409-41 1980-12 German Standard Methods for Examination of Water, Waste Water and Sludge; Summary Action and Material Characteristic Parameters (Group H); Determination of the Chemical Oxygen Demand (COD) in the Range over 15 mg/l (H41) More