Standards

XB/T 621.1-2016 Active

XB/T 621.1-2016 Chemical analysis methods for holmium ferroalloy—Part 1:Determination of rare earth total cotent—Gravimetry

This part of XB/T 621 specifies the method for determining the total rare earth content in holmium iron alloys.
This part of XB/T 621 is applicable to the determination of the total rare earth content in holmium iron alloys. The measurement range is 70.00%~90.00%.

Publish Date: 2016-07-11

XB/T 621.2-2016 Active

XB/T 621.2-2016 Chemical analysis methods for holmium ferroalloy—Part 2:Determination of rare earth impurity contents—Inductively coupled plasma atomic emission spectrometry

This part of XB/T 621 specifies the determination method for the content of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, erbium, thulium, yttrium, and lutetium in holmium iron alloys.
This part of XB/T 621 is applicable to the determination of the content of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, erbium, thulium, yttrium, and lutetium in holmium iron alloys.

Publish Date: 2016-07-11

XB/T 904-2016 Active

XB/T 904-2016 Safety specification for in-situ leaching mining of ion-absorption rare earth ore

This standard specifies the basic requirements for the organization and management, target management, education and training, design, construction, production, emergency management, safety reporting, and statistical analysis in the safe production of in situ leaching of ionic rare earth mines.
This standard applies to the safety evaluation, design, construction, and production of ionic rare earth mines (hereinafter referred to as "mines") produced by the in situ leaching mining process.

Publish Date: 2016-07-11

XB/T 620.1-2015 Active

XB/T 620.1-2015 Chemical analysis methods for waste rare earth phosphors—Part 1:Determination of total rare earth oxides content—Gravimetric method

This part of XB/T 620 specifies the method for determining the total amount of rare earth oxides in waste rare earth phosphors.
This part is applicable to the determination of the total amount of rare earth oxides in waste rare earth phosphors. The measurement range is 10.00% to 70.00%.

Publish Date: 2015-10-10

XB/T 620.2-2015 Active

XB/T 620.2-2015 Chemical analysis methods for waste rare earth phosphors—Part 2:Determination of lead,cadmium and mercury contents—Inductively coupled plasma atomic emission spectrometry

This section specifies the method for determining the amount of lead, cadmium, and mercury in waste rare earth phosphors.
This section is applicable to the determination of the amount of lead, cadmium, and mercury in waste rare earth phosphors. The measurement range is shown in Table 1.

Publish Date: 2015-10-10

XB/T 620.3-2015 Active

XB/T 620.3-2015 Chemical analysis methods for waste rare earth phosphors—Part 3:Determination of yttrium oxide,lanthanum oxide,cerium oxide,europium oxide,gadolinium oxide,terbium oxide,dysprosium oxide contents—Inductively coupled plasma atomic emission spectrometry

This part of XB/T 620 specifies the determination method for the content of yttrium oxide, lanthanum oxide, cerium oxide, europium oxide, gadolinium oxide, terbium oxide, and dysprosium oxide in waste rare earth phosphors.
This part is applicable to the determination of the content of yttrium oxide, lanthanum oxide, cerium oxide, europium oxide, gadolinium oxide, terbium oxide, and dysprosium oxide in waste rare earth phosphors. The determination range is shown in Table 1.

Publish Date: 2015-10-10

XB/T 802.1-2015 Active

XB/T 802.1-2015 Waste rare earths recycling—Part 1:Technical requirements for rare earths recycling from display scraps

This part of XB/T 802 specifies the terms and definitions for the recycling of rare earths from waste monitors, the basic requirements for rare earth recycling enterprises of waste monitors, the recycling requirements for waste monitors, the processing requirements for waste monitors, the quality requirements and testing methods for waste materials containing rare earth phosphors, the technical requirements for the recycling of rare earths from waste monitors, the technical requirements for secondary pollution prevention and control, and the requirements for emergency response plans.
This part is applicable to the recycling of rare earths from waste monitors.

Publish Date: 2015-10-10

XB/T 802.2-2015 Active

XB/T 802.2-2015 Waste rare earths recycling—Part 2:Technical requirements for rare earths recycling from abandoned fluorescent lamps

This part of XB/T 802 specifies the terms and definitions for the recovery of rare earths from waste fluorescent lamps, the basic requirements for enterprises engaged in the recovery of rare earths from waste fluorescent lamps, the requirements for the recycling of waste fluorescent lamps, the requirements for the storage and transportation of waste fluorescent lamps, the requirements for the treatment of waste fluorescent lamps, the quality requirements and testing methods for waste fluorescent lamps containing rare earth phosphors, the technical requirements for the recovery of rare earths from waste fluorescent lamps, the technical requirements for secondary pollution prevention and control, and the requirements for emergency response plans.
This part is applicable to the recovery of rare earths from waste fluorescent lamps.

Publish Date: 2015-10-10

XB/T 104-2015 Active

XB/T 104-2015 Monazite concentrate

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, storage, and quality certificates for monazite concentrates.
This standard applies to dry monazite concentrates obtained by mineral processing from sand ores, which are used for extracting rare earth metals and their compounds, as well as thorium and other elements.

Publish Date: 2015-04-30

XB/T 211-2015 Active

XB/T 211-2015 Concentrate of samarium,europium,and gadolinium oxide

This standard specifies the requirements, test methods, inspection rules, and markings for samarium-europium-gadolinium concentrates, as well as their packaging, transportation, storage, and quality certificates.
This standard applies to samarium-europium-gadolinium concentrates produced by extraction separation. This product is mainly used as a raw material for extracting single rare earth elements such as samarium, europium, gadolinium, terbium, and dysprosium, and is intended for further processing.

Publish Date: 2015-04-30

XB/T 212-2015 Active

XB/T 212-2015 Gadolinium metal

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality certificates for metallic gadolinium.
This standard applies to metallic gadolinium produced by the thermal reduction of calcium, which is mainly used as a tube-making material for nuclear reactors, a working medium for magnetic refrigeration, and a material for magneto-optical recording, as well as an additive for non-ferrous metal alloys and other applications.

Publish Date: 2015-04-30

XB/T 214-2015 Active

XB/T 214-2015 Neodymiun fluoride

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality certificates for neodymium fluoride products.
This standard applies to neodymium fluoride produced by chemical methods (dry method) for use in the production of neodymium metal, metallurgy, and special steels, etc.

Publish Date: 2015-04-30