نتایج جستجو برای: chromium electroplating
تعداد نتایج: 25774 فیلتر نتایج به سال:
کاربرد پودر معمولی گل گیاه تلخه به عنوان جاذب بیولوژیکی طبیعی در حذف کروم شش ظرفیتی از فاضلاب سنتتیک
Background: One of the most recent concerns about industrial wastewaters is heavy metals arrival into the water and environment resources. Chromium is found in the trivalent and hexavalent oxidation state by the influence of electroplating and tannery industries. Hexavalent Chromium has proven several health hazards and International Agency for Research on Cancer (IARC) categories. The aim of ...
A field study was conducted with the goal of comparing the performance of three recently developed or modified sampling and analytical methods for the determination of airborne hexavalent chromium (Cr(VI)). The study was carried out in a hard chrome electroplating facility and in a jet engine manufacturing facility where airborne Cr(VI) was expected to be present. The analytical methods evaluat...
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