Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system
This study describes the acute toxicity of sodium cyanide on the crustacean Daphnia magna (Cladocera). A new flow-through system was innovated in which the microorganism continuously exposure to the toxicity of sodium cyanide during the test. We used twelve different concentration of sodium cyanide...
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| Опубліковано в: : | Химия и технология воды |
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| Дата: | 2013 |
| Автори: | , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Інститут колоїдної хімії та хімії води ім. А.В. Думанського НАН України
2013
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| Онлайн доступ: | https://nasplib.isofts.kiev.ua/handle/123456789/130831 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system / N. Jaafarzadeh, Y. Hashempour, K. Angali // Химия и технология воды. — 2013. — Т. 35, № 6. — С. 508-517. — Бібліогр.: 31 назв. — англ. |
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nasplib_isofts_kiev_ua-123456789-130831 |
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Jaafarzadeh, N. Hashempour, Y. Angali, K. 2018-02-24T14:17:47Z 2018-02-24T14:17:47Z 2013 Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system / N. Jaafarzadeh, Y. Hashempour, K. Angali // Химия и технология воды. — 2013. — Т. 35, № 6. — С. 508-517. — Бібліогр.: 31 назв. — англ. 0204-3556 https://nasplib.isofts.kiev.ua/handle/123456789/130831 This study describes the acute toxicity of sodium cyanide on the crustacean Daphnia magna (Cladocera). A new flow-through system was innovated in which the microorganism continuously exposure to the toxicity of sodium cyanide during the test. We used twelve different concentration of sodium cyanide from low values (0 mg CN/L) to high values (1 mg CN /L) on bioassay test. D. magna were exposed to the concentrations for 24, 48, 72 and 96 h at 20 – 25°C. We controlled the three important parameters such as temperature, pH and DO to meet the standard requirements. The LC₅₀ values for 24, 48, 72 and 96 h (95% confidence limits in parentheses) were estimated statistically by the probit methods and were 0.171 (0.163 – 0.179), 0.12 (0.112 – 0.128), 0.07 (0.062 – 0.078) and 0.019 (0.011 – 0.027) mg/L respectively. Finally, we proposed two new values for SAR (safe application rate) and SAFE Coefficients. This paper is issued from Research project under grant number u.89082. Special thanks to Ahvaz Jundishapur University of Medical Science for the financial support. en Інститут колоїдної хімії та хімії води ім. А.В. Думанського НАН України Химия и технология воды Биологические методы очистки воды Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system |
| spellingShingle |
Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system Jaafarzadeh, N. Hashempour, Y. Angali, K. Биологические методы очистки воды |
| title_short |
Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system |
| title_full |
Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system |
| title_fullStr |
Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system |
| title_full_unstemmed |
Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system |
| title_sort |
ahmadi acute toxicity test using сyanide on daphnia magna by flow-through system |
| author |
Jaafarzadeh, N. Hashempour, Y. Angali, K. |
| author_facet |
Jaafarzadeh, N. Hashempour, Y. Angali, K. |
| topic |
Биологические методы очистки воды |
| topic_facet |
Биологические методы очистки воды |
| publishDate |
2013 |
| language |
English |
| container_title |
Химия и технология воды |
| publisher |
Інститут колоїдної хімії та хімії води ім. А.В. Думанського НАН України |
| format |
Article |
| description |
This study describes the acute toxicity of sodium cyanide on the crustacean Daphnia magna (Cladocera). A new flow-through system was innovated in which the microorganism continuously exposure to the toxicity of sodium cyanide during the test. We used twelve different concentration of sodium cyanide from low values (0 mg CN/L) to high values (1 mg CN /L) on bioassay test. D. magna were exposed to the concentrations for 24, 48, 72 and 96 h at 20 – 25°C. We controlled the three important parameters such as temperature, pH and DO to meet the standard requirements. The LC₅₀ values for 24, 48, 72 and 96 h (95% confidence limits in parentheses) were estimated statistically by the probit methods and were 0.171 (0.163 – 0.179), 0.12 (0.112 – 0.128), 0.07 (0.062 – 0.078) and 0.019 (0.011 – 0.027) mg/L respectively. Finally, we proposed two new values for SAR (safe application rate) and SAFE Coefficients.
|
| issn |
0204-3556 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/130831 |
| citation_txt |
Ahmadi Acute toxicity test using сyanide on Daphnia magna by flow-through system / N. Jaafarzadeh, Y. Hashempour, K. Angali // Химия и технология воды. — 2013. — Т. 35, № 6. — С. 508-517. — Бібліогр.: 31 назв. — англ. |
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| first_indexed |
2025-12-07T21:02:30Z |
| last_indexed |
2025-12-07T21:02:30Z |
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