Sodium ferrate is seen here in the Peter the Great St. Petersburg Polytechnic University's lab.

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Sodium ferrate is seen here in the Peter the Great St. Petersburg Polytechnic University's lab.

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A researcher at the Peter the Great St. Petersburg Polytechnic University's lab is near a device for comprehensive water purification with sodium ferrate.

20.02.2018#3304996

A researcher at the Peter the Great St. Petersburg Polytechnic University's lab is near a device for comprehensive water purification with sodium ferrate.

20.02.2018#3304995

A researcher at the Peter the Great St. Petersburg Polytechnic University's lab is near a device for comprehensive water purification with sodium ferrate.

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A researcher at the Peter the Great St. Petersburg Polytechnic University's lab which designed a comprehensive water purification methods with sodium ferrate. The researcher works with a reactor containing sodium ferrate.

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A researcher at the Peter the Great St. Petersburg Polytechnic University's lab is near a device for comprehensive water purification with sodium ferrate.

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A researcher at the Peter the Great St. Petersburg Polytechnic University's lab.

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The building of the Peter the Great St. Petersburg Polytechnic University

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A researcher at the Peter the Great St. Petersburg Polytechnic University's lab is near a device for comprehensive water purification with sodium ferrate.

20.02.2018#3304978

A researcher at the Peter the Great St. Petersburg Polytechnic University's lab is near a device for comprehensive water purification with sodium ferrate.

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A researcher at the Peter the Great St. Petersburg Polytechnic University's lab.

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A researcher at the Peter the Great St. Petersburg Polytechnic University's lab with a reactor where sodium ferrate is inserted.

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A researcher at the Peter the Great St. Petersburg Polytechnic University's lab

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Sodium ferrate in a alb container at the Peter the Great St. Petersburg Polytechnic University's lab

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A researcher at the Peter the Great St. Petersburg Polytechnic University's lab which designed a comprehensive water purification methods with sodium ferrate. The researcher works with a reactor containing sodium ferrate.

20.02.2018#3304939

A researcher at the Peter the Great St. Petersburg Polytechnic University's lab which designed a comprehensive water purification methods with sodium ferrate. The researcher works with a reactor containing sodium ferrate.

20.02.2018#3304938