Seven rare earth industry standards by local provincial approval

Reporter learned from relevant departments of the city , recently, tungsten and rare earth products by the State Quality Supervision and Inspection Center ( hereinafter referred to as the "National Inspection Center" ) lead guide the development of the "rare earth ceramic knife " and seven rare earth industry passed the provincial quality local standards Regulatory Bureau for approval.

It is reported that seven standard four standard analytical methods are developed by the national inspection centers drafted . The standard 7 through validation were "rare earth ceramic knife ", " nickel-hydrogen battery cathode material AB3 -type hydrogen storage alloys ", " bonded NdFeB powder ", " samarium cobalt permanent magnet alloy powder chemical analysis of pulse heating - Determination of hydrogen content "and" holmium alloy chemical analysis methods " 3 series standard thermal conductivity method . Mainly around the standard batch of rare earth new materials , new methods to develop the rare earth industry in urgent need of aspects of the current project , the provincial committee to help dilute standard corporate standards project feasibility , necessity , importance of the study , presented high specification, high local standards of quality.

At present, the industry standard " Holmium ferroalloy " has entered the manuscript stage , the product is bound to raise much-needed introduction of standard analytical methods appropriate standard ancillary . Borne by the State Inspection Center " Holmium chemical analysis of ferroalloys " three series of standards to fill the gaps in holmium iron alloy analysis , to further improve China's rare earth standard system, the three series of standards currently reporting industry standards , which will be the center of the country seized responsible for drafting national commitment to a major breakthrough in the industry standard .


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