latest news: in China
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Evaluation the Feasibility of Short-Term Electrodialysis for Separating Naturally Occurring Fluoride from Instant Brick Tea Infusion
Abstract BACKGROUND: Removing excessive naturally occurring fluoride from tea and/or infusions is difficult because the process has low efficiency and causes secondary pollution. In this study, a novel electrodialysis (ED) technology was developed. We examined the effect of crucial parameters (electrolyte concentration, operation voltage, ED duration, and initial concentration of the tea infusion) on the […]
China International -
Awareness of the Benefits and Risks Related to Using Fluoridated Toothpaste Among Doctors: A Population-Based Study.
Abstract BACKGROUND: This study aimed to assess the awareness of dentists and non-dental doctors regarding the benefits and risks of using fluoridated toothpaste. MATERIAL AND METHODS: A self-administered questionnaire was used to collect information in this study. Multistage cluster sampling method was used to enroll doctors in 5 districts or counties in Chongqing, China. A […]
China Toothpaste -
Geochemical factors controlling the occurrence of high-fluoride groundwater in the western region of the Ordos basin, northwestern China.
Abstract: Hydrogeochemistry and isotope hydrology were carried out to investigate the spatial distribution of fluoride (F–) and the mechanisms responsible for its enrichment in the western region of the Ordos basin, northwestern China. Sixty-two groundwater samples from the unconfined aquifer and fifty-six from confined aquifer were collected during the pre-monsoon (June 2016). Over 77% of […]
China -
Hydrofluoric acid burn
NOTE FROM FLUORIDE ACTION NETWORK: We presume this incident took place in China. The authors’ affiliation: Author Siyu Wang: Department of Dermatology, Institute of Dermatology and Venereology, Sichuan Academy of Medical Sciences Author Gengwu Dai: Sichuan Provincial People’s Hospital, Chengdu, Sichuan, China. A 52-year-old man presented to the outpatient department with severe pain, right palmar […]
China Pesticides -
A Tale of Two Water Supplies in China: Finding Practical Solutions to Urban and Rural Water Supply Problems
Abstract Conspectus Access to safe drinking water is among the 17 United Nations sustainable development goals. As the largest developing country, China has confronted large challenges to providing safe and sufficient drinking water to its population of 1.4 billion under the conditions of limited water sources and ubiquitous water contamination. This Account outlines these challenges […]
China -
Perfluoroalkyl substances in groundwater and home-produced vegetables and eggs around a fluorochemical industrial park in China
Highlights Increasing levels of PFBS and PFOA occurred in groundwater beneath the Fuxin FIP. Groundwater contaminations of PFBS and PFOA might pose health risks to residents. PFBA and PFBS were the major contaminants in home-produced vegetables and eggs. PFBA, PFOA, and PFBS could enter vegetables via irrigation with local groundwater. Abstract High-level contaminations of perfluoroalkyl […]
China Perfluorinated chemicals -
Accumulation, fractionation and health risk assessment of fluoride and heavy metals in soil-crop syst.
Abstract Highlights Water soluble F may increase the bioavailability of Cu, Mn, Zn, Pb, Ni, Cd and Cr. The combined stresses of Cu and Ni may be the main factor that increases F bioavailability. Contaminants easily accumulate in male inflorescence of maize except for roots and leaves. Crop grains and shoots cannot be used for […]
China -
Long term spatial-temporal dynamics of fluoride in sources of drinking water and associated health risks in a semiarid region of Northern China
Highlights F– levels of Taiyuan were in optimum range based on the recommendation by USEPA. Individual locations within industrial areas had higher F– levels. HRIsF were calculated and the highest associated with suburban areas. F– levels and HRIsF of the groundwater in Taiyuan showed a decreasing trend. HRIsF in suburban areas was higher than urban […]
China Coal Industry -
UF6 transport package designs head for approvals
The developers of two different packages for the transport of uranium hexafluoride (UF6) have reported progress with their individual designs. Daher has submitted an application for certification for its DN30 package to US regulators, while China Nuclear New Energy Nuclear Industry Engineering Co Ltd’s XN740 UF6 transport package has completed a 9 metre drop test. […]
China Nuclear Industry -
Tinci Materials to Use NEV Battery By-Products for Drugs, Pesticides
A unit of Tinci Materials Technology will seek uses for by-products that form while refining materials for new energy vehicles’ batteries. Jimute New Materials will construct production lines for by-products, such as photoinitiators, methyl acetate, trifluoroacetic acid, and sulfuryl fluoride, which appear while processing lithium hexafluorophosphate, the Guangzhou-based chemical manufacturer said in a statement yesterday. […]
China Batteries Pesticides Pharmaceuticals
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