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China develops direct test for rareearth impurities_我的网站

一 |     (ECNS) -- Chinese researchers have developed a method that can directly and precisely detect trace rare-earth impurities in high-purity rare-earth materials, overcoming a long-standing challenge caused by matrix interference, CCTV News reported Monday.    The breakthrough, led by a key laboratory under the State Administration for Market Regulation at Jiangxi University of Science and Technology, uses inductively coupled plasma tandem mass spectrometry (ICP-MS/MS). The technique eliminates the need for matrix separation, offering higher sensitivity, accuracy and faster testing.    The team has also made advances in sample pretreatment and instrument calibration. The technologies are already widely used by rare-earth producers and testing institutions to improve quality control and testing efficiency.                        。    Former Smash Mouth lead singer Steve Harwell is receiving hospice care treatment at home, a representative confirmed to CBS News Sunday. The artist — whose band is known for hits including "All Star" and "Walkin' on the Sun" — is being cared for by his fiancé, according to representative Robert Hayes. "My only additional comment is that we would hope that people would respect Steve and his family's privacy during this difficult time," Hayes said to CBS News. 

             

Harwell was previously diagnosed with cardiomyopathy, a form of heart disease.       Smash Mouth was formed in 1994. Harwell was with the band until 2021, when he retired. Zach Goode became the band's frontman last year, according to Smash Mouth's website. The band is also well known for its cover of the Monkee's classic "I'm a Believer."  The band has not yet publicly commented on Harwell's condition.                                  。

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Published on:14:21:38