醇羟基用什么鉴别检测标准

Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy

Plastics — Polyols for use in the production of polyurethane — Determination of hydroxyl number

Plastics — Polyols for use in the production of polyurethanes — Determination of hydroxyl number by NIR spectroscopy

Identification standards for hazardous wastes -\r Identification for extraction toxicity

Identification standards for hazardous wastes - Identification for ignitability

Identification standards for hazardous wastes - Identification for reactivity

Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method

Identification standards for hazardous wastes -\r Identification for corrosivity

Identification standards for hazardous wastes - Identification for toxic substance content

Anti-counterfeiting technique for stamp identification

Cybersecurity technology—Entity authentication—Part 2: Mechanisms using authenticated encryption

The general method of wood identification

Identification standards for hazardous waste General rules

Identification standards for solid wastes General rules

Guidance of chemical identification

Identification method of heat-treated wood

Specifications for identification system of spilled oil on the sea

Fur-Identification—Method of microscopy

Characterization and identification for closures of butyl rubber