Surface active agents and detergents -- Methods of sample division
发布日期:1980-04-01 实施日期:1980-04-01
Carbonate and silicate liming materials. Determination of reactivity. Potentiometric titration method with hydrochloric acid
发布日期:2013-01-31 实施日期:2013-01-31
Amphoteric surfactants-Undecyl imidazolines
发布日期:2012-05-24 实施日期:2012-11-01
The norm of energy consumption per unit product of electric heating gold loaded carbon desorption and electrolytic process
发布日期:2012-05-24 实施日期:2012-11-01
Reference procedure for the measurement of catalytic activity concentration of aspartate aminotransferase(No pyrioxal-5-phosphoric acid)
发布日期:2011-09-30 实施日期:2012-04-01
Surface active agents -- Determination of pH of aqueous solutions -- Potentiometric method
发布日期:1977-08-01 实施日期:1977-08-01
Standard Practice for Active Soil Gas Sampling for Direct Push or Manual-Driven Hand-Sampling Equipment
实施日期:2012-03-01
Pruefverfahren fuer medizinische Vliesstoffkompressen. Vliesstoffe zur Herstellung von Kompressen Test Methods for Nonwoven Compresses for Medical Use Part 1:Nonwovens Used in the Manufacture of Compre...
实施日期:1997-08-15
Method of Test for Feeds : Urease Activity Test
发布日期:1986-08-03 实施日期:1986-08-03
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); surfactant biodegradation and elimination test for simulation of municipal waste water treatment plan...
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