Browsing by Author "Natdhera Sanmanee"
Now showing items 1-4 of 4
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Change of Zn and Cu speciation during composting period of cow compost
Collection: Theses (Master's degree) - Environment Science / วิทยานิพนธ์ - วิทยาศาสตร์สิ่งแวดล้อมType: Thesis(Silpakorn University, 12/7/2019)The objective of this research was to study zinc (Zn) and copper (Cu) speciation during the fermenting period of cow manure mixed with agricultural wastes using community bureau of reference (BCR) technique. The species ... -
Influence of humic acid on the toxic effects of cadmium to phytoplankton
Collection: Theses (Master's degree) - Environment Science / วิทยานิพนธ์ - วิทยาศาสตร์สิ่งแวดล้อมType: Thesis(Silpakorn University, 12/7/2019)The objective of this research was to study the effect of humic acid (HA) on the cadmium toxicity of phytoplankton (Chlorella sp.). The HA extracted from cow manure compost was tested with Cd on the ratio of 1: 1 for the ... -
The Study of copper and manganese speciation during fermenting period of chicken manure using Community Bureau of Reference (BCR) Technique
Collection: Theses (Master's degree) - Environment Science / วิทยานิพนธ์ - วิทยาศาสตร์สิ่งแวดล้อมType: Thesis(Silpakorn University, 12/7/2019)The objective of this research was to study the dynamic of copper and manganese species through the composting period for 4 months. The compost was divided after temperature into 3 stages: initial stage (day 0), ... -
THE STUDY OF IRON AND ZINC SPECIATION DURING FERMENTING PERIOD OF CHICKEN MANURE USING COMMUNITY BUREAU OF REFERENCE (BCR) TECHNIQUE
Collection: Theses (Master's degree) - Environment Science / วิทยานิพนธ์ - วิทยาศาสตร์สิ่งแวดล้อมType: Thesis(Silpakorn University, 12/7/2019)The objective of the research was to study iron (Fe) and zinc (Zn) speciation during fermenting period of chicken manure using community bureau of reference (BCR) technique. The sequential extraction divided the metal ...