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Technical rule [CURRENT]

VDI 2761 Blatt 2

Chemical separation processes - Measurement and evaluation of fluid dynamics and mass transfer in packed columns - Absorption and desorption
Edition 2020-06

Technical rule [CURRENT]

VDI 3397 Blatt 4

Metalworking fluids (MWF) - Microbiology in water-miscible metalworking fluids - Measures to extend the duration of use and to preserve the quality of water-miscible metalworking fluids
Edition 2020-06

Technical rule [CURRENT]

VDI 3783 Blatt 18

Environmental meteorology - Photolysis frequencies for calculating pollutant concentrations in the troposphere
Edition 2017-04

Technical rule [CURRENT]

VDI 4300 Blatt 12

Measurement of indoor pollution - Measurement strategy and determination of ultrafine particles
Edition 2021-10

Technical rule [CURRENT]

VDI 3457

Emission control - Powder coating
Edition 2016-06

Technical rule [CURRENT]

VDI 3478 Blatt 2

Biological waste gas purification - Biological trickle bed-reactors
Edition 2008-04

Standards [CURRENT]

OENORM EN 1240

Adhesives - Determination of hydroxyl value and/or hydroxyl content
Edition 2011-06-01

Standards [CURRENT]

ISO 4629-1

Binders for paints and varnishes - Determination of hydroxyl value - Part 1: Titrimetric method without using a catalyst
Edition 2016-06

Standards [CURRENT]

OENORM EN ISO 4629-2

Binders for paints and varnishes - Determination of hydroxyl value - Part 2: Titrimetric method using a catalyst (ISO 4629-2:2016)
Edition 2016-10-15

Standards [CURRENT]

OENORM EN 15168

Surface active agents - Determination of hydroxyl value - p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
Edition 2007-02-01

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