Standards UNE - Spanish national standards - Page 5650

SURFACE ACTIVE AGENTS. DETERMINATION OF ANIONIC SUFACTANTS IN AQUEOUS MEDIUM BY THE METHYLENE BLUE SPECTROMETRIC METHOD

WITHDRAWN published on 15.12.1987

SURFACE ACTIVE AGENTS. EVALUATION IN AN AQUEOUS MEDIUM OF THE "ULTIMATE" AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS. METHOD BY ANALYSIS OF DISSOLVED ORGANIC CARBON (DOC)

WITHDRAWN published on 31.12.1987

SURFACE ACTIVE AGENTS. DETERMINATION OF LOW CONCENTRATIONS OF SURFACTANTS IN WATER. WATER SAMPLING. GUIDANCE ON THE DESIGN OF SAMPLING PROGRAMMES.

WITHDRAWN published on 22.7.1988

SURFACE ACTIVE AGENTS. DETERMINATION OF LOW CONCENTRATIONS OF SURFACTANTS IN WATER. WATER SAMPLING. GUIDANCE ON SAMPLING TECHNIQUES.

WITHDRAWN published on 22.7.1988

SURFACE ACTIVE AGENTS. DETERMINATION OF LOW CONCENTRATIONS OF SURFACTANTS IN WATER. WATER SAMPLING. GUIDANCE ON THE PRESERVATION AND HANDLING OF SAMPLES.

WITHDRAWN published on 22.7.1988

INDUSTRIAL VALVES. FACE-TO-FACE AND CENTRE-TO-FACE DIMENSIONS OF METAL VALVES FOR USE IN FLANGED PIPE SYSTEMS. PART 1: PN-DESGINATED VALVES.

WITHDRAWN published on 19.9.1996

INDUSTRIAL VALVES. FACE-TO-FACE AND CENTRE-TO-FACE DIMENSIONS OF METAL VALVES FOR USE IN FLANGED PIPE SYSTEMS. PART 2: CLASS-DESIGNATED VALVES.

WITHDRAWN published on 23.9.1996

Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves

WITHDRAWN published on 24.9.2008

Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves

WITHDRAWN published on 11.4.2012

Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves

WITHDRAWN published on 18.7.2018