Normy GB - Čínské národní normy - strana 1260

Rare earth polishing powder

Norma vydána dne 1.8.2025

Chemical analysis methods of rare earth polishing powder - Part 1: Determination of cerium oxide content - Titrimetry

Norma vydána dne 5.11.2012

Chemical analysis methods of rare earth polishing powder - Part 2: Determination fluorine content - Ion selective electrode analysis

Norma vydána dne 5.11.2012

Physical test method of rare earth polishing powder - Determination of burnishing mass and scratch - Gravimetry

Norma vydána dne 5.11.2012

Rapidly-quenched neodymium iron boron permanent magnetic powder

Norma vydána dne 14.10.2017

Mixed rare earth oxide of ion-absorpted type rare earth ore

Norma vydána dne 11.9.2015

Covering technique of the medium-wave broadcastingnetwork

Norma vydána dne 15.8.1980

Test methods for physical characters of rare earth metals and their compounds Determination for particle size distribution of rare earth compounds

Norma vydána dne 13.4.2006

Test methods for physical properties of rare earth metals and their compounds—Part 1: Determination of particle size distribution of rare earth compounds—Laser diffraction method
K dispozici od: prosinec 2026

Norma vydána dne 25.5.2026

Test method of physical characters of rare earth metals and compounds Determination on specific surface area of rare earth compounds

Norma vydána dne 13.4.2006