Analysis Of Chemical And Physical Parameters In Lemukutan Island Bengkayang Regency West Kalimantan Waters
Keywords:
Acidity (pH), Lemukutan Island, salinity, sea water, turbidityAbstract
Indonesia is an archipelagic and maritime country that has 16,766 islands with a water area reaching 3.26 million km2. Many water areas are utilized for human activities which can cause seawater pollution and affect seawater quality. Seawater quality monitoring must comply with scientific principles so that the results obtained can represent actual sea conditions. This research was conducted to determine the water quality of Lemukutan Island, Bengkayang Regency, West Kalimantan with the parameters of acidity (pH), turbidity, and salinity, provide basic information about the environment of Lemukutan Island and carry out scientific monitoring of seawater quality with reliable data. The method used in this study uses a multiparameter instrument, a refractometer, and a turbidimeter. The research was conducted by taking samples at ten points, namely on Tanjung Batu Putih beach, 50 meters from Tanjung Putih beach, at the inn, at Penata Besar, at the Lemukutan Island pier, in the middle of the sea, on Kabung Island, before Teluk Sauk pier, air menuju dermaga, and at Teluk Sauk Pier. The sample that has been obtained is then tested for the phytochemical properties of seawater on Lemukuta Island. The results obtained by the pH value ranged from 7.99-8.40 which is quite good and meets seawater quality standards. The salinity value on Lemukutan Island is 24-31‰ which is by following quality standards, which range from 18-34‰. As for the turbidity level, various results were obtained with the highest turbidity level in the wharf area and exceeding the maximum quality standard of 5 NTU (Nephelometric Turbidity Unit).
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