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(19)

(11)

2 486 506

(13)

(51)

IPC

G01N33/00(2006-01-01)

(21) (22)

Application

2011153218/15, 2011-12-26

(24)

Start date

2011-12-26

(22)

Actual filing date

2011-12-26

(45)

Published

2013-06-27

(72)

Inventor

Maljuta Ol'Ga Vasil'EvnaKraeva Natal'Ja KonstantinovnaGrigor'Eva Alena Rudikovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Marijskij Gosudarstvennyj Tekhnicheskij Universitet

METHOD OF EVALUATING ENVIRONMENTAL SAFETY OF UNCONVENTIONAL SEWAGE SLUDGE BASED FERTILISERS Russian patent published in 2013 - IPC G01N33/00

Abstract RU 2486506 C1

FIELD: chemistry.

SUBSTANCE: laboratory experiments employ soil modified with unconventional organic fertilisers in recommended doses. A soil sample which is not modified with unconventional organic fertilisers, having a similar grain-size distribution and agrochemical properties, is used as a reference.

EFFECT: invention increases objectiveness of obtained results when evaluating possible toxicity of unconventional organic fertilisers.

2 tbl, 3 ex

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RU 2 486 506 C1

Authors

Maljuta Ol'Ga Vasil'Evna

Kraeva Natal'Ja Konstantinovna

Grigor'Eva Alena Rudikovna

Dates

2013-06-27—Published

2011-12-26—Filed