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All Journal Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology JURNAL TEKNOLOGI LINGKUNGAN Syntax Literate: Jurnal Ilmiah Indonesia Gema Wiralodra Jurnal Migasian Akamigas Balongan Indramayu Journal of Green Science and Technology LEGAL BRIEF Jurnal Rekayasa, Teknologi, dan Sains DEVOTE: Jurnal Pengabdian Masyarakat Global Jurnal Indonesia Sosial Teknologi Jurnal Migasian Journal of Green Science and Technology
Mutiara Salsabiela
Akademi Minyak Dan Gas Balongan
Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences Transportation Other

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Journal : Journal of Green Science and Technology

 1 
ANALYSIS OF WATER SALINITY LEVEL OF FREQUENCY MOLTING IN VANNAMEI SHRIMP (LITOPENAEUS VANNAMEI) ABLATED Mutiara Salsabiela Salsabiela
Journal of Green Science and Technology Vol 4 No 2 (2020): Journal of Green Science and Technology, Vol.4 No.2 (2020)
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v4i2.3436

Abstract

Media salinity is a masking factor that plays an important role in controlling the process of shrimp molting and osmoregulation. Both of them are ecophysiological factors for shrimp life, so it is necessary to know the optimum level or range of media salinity for each phase of the molting phase changes in the stage and osmoregulation phase. This study was conducted to examine the molting frequency of adult L. vannamei which was ablated and cultivated at various levels of salinity. This research was carried out for 60 days. This study uses experimental laboratory methods with a systematic randomized design (RAS) with 4 treatments and 3 replications in each treatment. The treatments tested were salinity with S1 treatments (10 ppt, 289.20 mOsm / l postmolt H2O isosmotic), S2 (15 ppt, 432.80 mOsm / l H2O initial intermolt isosmotic), S3 (25 ± 1 ppt, 725, 15 mOsm / l H2O isosmotic final intermolt) and S4 (29 ± 1 ppt, 820.10 mOsm / l H2O isosmotic molt). Data were analyzed with ANOVA. Meanwhile, the difference in effect between treatments was obtained through Duncan's multiple area test. ANOVA results showed that various levels of isoosmotic media salinity at various molting phases had an influence (p <0.05) on molting frequency. The best value of molting frequency was in the S4 treatment (29 ± 1 ppt) (close to isoosmotic molt) 10 times. In the maintenance of L. vannamei which is affixed, it should pay attention to the needs of isoosmotic media, namely media with a salinity of 25 ± 1-29 ± 1 ppt (final intermolt isoosmotic range / premolt to molt). the difference in effect between treatments was obtained through Duncan's multiple region test. ANOVA results showed that various levels of isoosmotic media salinity at various molting phases had an influence (p <0.05) on molting frequency. The best value of molting frequency is in the treatment of S4 (29 ± 1 ppt) (close to isoosmotic molt) 10 times. In the maintenance of L. vannamei which is affixed, it is better to pay attention to the needs of isoosmotic media, ie media with a salinity of 25 ± 1-29 ± 1 ppt (final intermolt isoosmotic range / premolt to molt). the difference in effect between treatments was obtained through Duncan's multiple region test. ANOVA results showed that various levels of isoosmotic media salinity at various molting phases had an influence (p <0.05) on molting frequency. The best value of molting frequency is in the treatment of S4 (29 ± 1 ppt) (close to isoosmotic molt) 10 times. In the maintenance of L. vannamei which is affixed, it is better to pay attention to the needs of isoosmotic media, ie media with a salinity of 25 ± 1-29 ± 1 ppt (final intermolt isoosmotic range / premolt to molt). The best value of molting frequency was in the S4 treatment (29 ± 1 ppt) (close to isoosmotic molt) 10 times. In the maintenance of L. vannamei which is affixed, it is better to pay attention to the needs of isoosmotic media, ie media with a salinity of 25 ± 1-29 ± 1 ppt (final intermolt isoosmotic range / premolt to molt). The best value of molting frequency is in the treatment of S4 (29 ± 1 ppt) (close to isoosmotic molt) 10 times. In the maintenance of L. vannamei which is affixed, it is better to pay attention to the needs of isoosmotic media, ie media with a salinity of 25 ± 1-29 ± 1 ppt (final intermolt isoosmotic range / premolt to molt). Keyword : Salinity, Osmoregulation, Molting, L. vannamei, Ablation. 
ANALYSIS OF HEAVY METAL CONTENT IN SALT (CASE STUDY OF SALT FIELD, LOSARANG DISTRICT, INDRAMAYU REGENCY) Mutiara - Salsabiela
Journal of Green Science and Technology Vol 5 No 2 (2021): VOL 5, NO 2 (2021): JOURNAL OF SCIENCE AND TECHNOLOGY VOL. 5 NO. 2 SEPTEMBER 2021
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v5i2.5678

Abstract

Salt is a staple food needed for human life, especially for industrial and household consumption. The raw material for making the salt comes from sea water which is very susceptible to contamination by contaminants in the form of heavy metals. The presence of heavy metals in salt will be harmful to human health when consumed. The study was conducted to determine the quality of salt free from heavy metal contamination and suitable for consumption. in Losarang District, Indramayu Regency. This research was conducted by descriptive method. Data collection techniques were carried out through observation and interviews. The samples tested were salt produced with TUF technology and Geoisolator. The sampling technique refers to SNI 19-0428-1998 regarding the instructions for taking solid samples where the sample is taken using a spear and inserted into a plastic clip that has been labeled with the name and code. The parameters tested were heavy metals consisting of Lead (Pb), Cadmium (Cd), Mercury (Hg) and Arsenic (As). The method of testing the content of heavy metals in salt in this study used the AAS (Atomic Absorption Spectrophotometer) method which was carried out in the
Co-Authors Alwi, Salsabila Asep Andri Astriyandi, Asep Andri Frinanda, Rilo Amaula Hadi Kurniawan Ritonga Hadi Kurniawan Ritonga Hadipranoto, Ichsan Hartono, Kino Hartuti Purnaweni Ibrahim, Puji Astuti Ira Puspita Windiari Joko Prayitno Kino Hartono Marfiana, Pipit Maulana, Sokheh Nasukha, Shaicfah Bachaer Nebu Nurlaili Fauziah Octavian, Shendy Oni Oni Oni, Oni Pipit Marfiana Pipit Marfiana Rilo Amaula Frinanda Ritonga, Hadi Kurniawan Salsabila Alwi Salsabila Alwi Sokheh Maulana Sutangi Sutangi Sutangi, Sutangi Sutrisno Anggoro wijaya, randi Windiari, Ira Puspita