标准检索

Fine bubble technology — Evaluation method for determining surface tension of ultrafine bubble dispersions

Water quality — Determination of free chlorine and total chlorine — Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine — Technical Corrigendum 1

Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes

Water quality — Determination of free chlorine and total chlorine — Part 3: Iodometric titration method for the determination of total chlorine

Medical gas pipeline systems — Part 1: Pipeline systems for compressed medical gases and vacuum — Amendment 1

Medical gas pipeline systems — Part 2: Anaesthetic gas scavenging disposal systems

Passenger cars — Verification of driver's direct field of view — Part 1: Vehicle positioning for static measurement

Passenger cars — Verification of driver's direct field of view — Part 2: Test method

Motorcycles — Alternating current flasher units

Sodium carbonate for industrial use — Preparation and storage of test samples

Aerospace — Spline drives — Wrenching configuration — Metric series

Methods for the petrographic analysis of coals — Part 1: Vocabulary

Methods for the petrographic analysis of coals — Part 2: Methods of preparing coal samples

Methods for the petrographic analysis of coals — Part 3: Method of determining maceral group composition

Methods for the petrographic analysis of coals — Part 4: Method of determining microlithotype, carbominerite and minerite composition

Methods for the petrographic analysis of coals — Part 5: Method of determining microscopically the reflectance of vitrinite

Dentistry — Evaluation of biocompatibility of medical devices used in dentistry

Fertilizers — Marking — Presentation and declarations

Fertilizers and soil conditioners — Final samples — Practical arrangements

Hydraulic fluid power cylinders — Dimensions and tolerances of housings for elastomer-energized, plastic-faced seals — Part 1: Piston seal housings