Results 21 to 30 of about 293,672 (350)

Occupational exposure to BTEX and styrene in West Asian countries: a brief review of current state and limits

Arhiv za Higijenu Rada i Toksikologiju, 2022
The aim of introducing occupational exposure limits (OELs) is to use them as a risk management tool in order to protect workers’ health and well-being against harmful agents at the workplace.
Rahimpoor Razzagh, Sarvi Fatemeh, Rahimnejad Samira, Ebrahimi Seyed Mohammad   +3 more
doaj   +1 more source

Cost and pollution by the use of xylene in cervical cytology in four Peruvian hospitals [version 3; peer review: 2 approved]

F1000Research, 2022
Background: Cytological samples are cleared with xylene in two or three baths during a Pap test, however, this solvent has a high degree of toxicity, and being a controlled reagent infers high costs for its purchase and implications for environmental ...
Gloria Cruz-Gonzales, Victor Rojas-Zumaran, Richard Salazar-Hernández, Jeel Moya-Salazar, Hans Contreras-Pulache   +4 more
doaj   +1 more source

C1-C8 volatile organic compounds in the atmosphere of Hong Kong: Overview of atmospheric processing and source apportionment [PDF]

, 2007
We present measurements of C1-C8 volatile organic compounds (VOCs) at four sites ranging from urban to rural areas in Hong Kong from September 2002 to August 2003. A total of 248 ambient VOC samples were collected.
Barletta, B, Blake, DR, Guo, H, Meinardi, S, Simpson, IJ, So, KL   +5 more
core   +1 more source

Highly Selective, ppb-Level Xylene Gas Detection by Sn²⁺-Doped NiO Flower-Like Microspheres Prepared by a One-Step Hydrothermal Method

Sensors, 2019
Detecting xylene gas is an important means of avoiding human harm from gas poisoning. A precise measurement demands that the gas sensor used must have high sensitivity, high selectivity, and low working temperature.
Shaohe Lu, Xuefeng Hu, Hua Zheng, Junwen Qiu, Renbing Tian, Wenjing Quan, Xinjie Min, Peng Ji, Yewei Hu, Suishi Cheng, Wei Du, Xiaoqiang Chen, Beiliang Cui, Xiaorong Wang, Wei Zhang   +14 more
doaj   +1 more source

Treatment of benzene, toluene, and xylene by deep oxidation on CuO catalytic materials synthesised from red mud and rice husk ash

Vietnam Journal of Science, Technology and Engineering, 2022
In this study, CuO-doped material fabricated from rice husk ash and red mud was modified by CeO2 promoter and urea using the impregnation method. The obtained samples were investigated for catalytic degradation of aromatic derivatives (benzene, toluene,
Thanh Tinh Nguyen, Phung Anh Nguyen, Thi Thuy Van Nguyen, Tri Nguyen, Ky Phuong Ha Huynh   +4 more
doaj   +1 more source

Alternative Rapid Methods for Coverslip Removal: A Comparative Study [PDF]

Journal of Clinical and Diagnostic Research, 2019
Introduction: In 21st century, the focus is to develop method which yields outcome in shorter tenure, and are rapid, safe and obtain quicker results.
Mahesh H Karigoudar, Sachin Shivaji Kapse, Disha B Shankar, Shikha Sharma, Divya Prafulla Yerraguntla   +4 more
doaj   +1 more source

Detection of Xylene Using Ni(OH)₂-Enhanced Co₃O₄ Nanoplate via p–n Junctions

Chemosensors, 2023
This study reports a novel Ni(OH)2/Co3O4 heterostructured nanomaterial synthesized through a simple two-step hydrothermal method combined with subsequent heat treatment.
Mengran Ran, Zhenyu Yuan, Hongmin Zhu, Hongliang Gao, Fanli Meng   +4 more
doaj   +1 more source

Synthesis and properties of a new AB-cross-linked copolymer membrane system [PDF]

, 1993
The alcohol permeability and permselectivity properties as well as the morphology of membranes made of a newly developed AB-cross-linked copolymer system composed of elastomeric and glassy components were investigated.
Kerres, J.A., Strathmann, H.
core   +2 more sources

Polyvinyl Acetate Film-Based Quartz Crystal Microbalance for the Detection of Benzene, Toluene, and Xylene Vapors in Air

Chemosensors, 2019
Vapors of volatile organic compounds such as benzene, toluene, and xylene (BTX) may cause health concerns. The sensitive detection of these compounds in air remains challenging.
Aditya Rianjanu, Siti A. Hasanah, Doni B. Nugroho, Ahmad Kusumaatmaja, Roto Roto, Kuwat Triyana   +5 more
doaj   +1 more source

Assessment of the contribution of TEX air pollutants from Nigeria’s petroleum refineries to the ambient air quality: Part II

Cogent Engineering, 2021
Environmental hazards associated with release of emission from petroleum refineries have caused serious concerns for the host communities. The study focused on the assessment of the contribution of Nigerian refineries to the ambient air quality.
Ebenezer Leke Odekanle, Chinchong Blessing Bakut, Abiodun Paul Olalekan, Roseline Oluwaseun Ogundokun, Charity O. Aremu, Jacob Ademola Sonibare, Oreoluwa Tabitha Akande, Adeniyi Tajudeen Olayanju, Bamidele Sunday Fakinle   +8 more
doaj   +1 more source