MD4221B1 - Method for quantitative determination of humic substances in natural waters - Google Patents

Method for quantitative determination of humic substances in natural waters

Info

Publication number
MD4221B1
MD4221B1 MD20120008A MD20120008A MD4221B1 MD 4221 B1 MD4221 B1 MD 4221B1 MD 20120008 A MD20120008 A MD 20120008A MD 20120008 A MD20120008 A MD 20120008A MD 4221 B1 MD4221 B1 MD 4221B1
Authority
MD
Moldova
Prior art keywords
humic substances
quantitative determination
natural waters
methylene blue
humic
Prior art date
Application number
MD20120008A
Other languages
Moldavian (mo)
Romanian (ro)
Other versions
MD4221C1 (en
Inventor
Diana Shepeli
Mikhail Filippov
Tudor Lupascu
Diana Sepeli
Mihail Filippov
Original Assignee
Inst De Chimie Al Academiei De Stiinte A Moldovei
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inst De Chimie Al Academiei De Stiinte A Moldovei filed Critical Inst De Chimie Al Academiei De Stiinte A Moldovei
Priority to MDA20120008A priority Critical patent/MD4221C1/en
Publication of MD4221B1 publication Critical patent/MD4221B1/en
Publication of MD4221C1 publication Critical patent/MD4221C1/en

Links

Abstract

The invention relates to analytical chemistry, namely to a photocolorimetric method for quantitative determination of humic substances in natural waters.The method, according to the invention, consists in that it is added aqueous solution of methylene blue to the test sample and is measured the difference of light absorption between the initial solution of methylene blue and the obtained mixture at the maximum absorption of 609 nm. The concentration of humic substances is determined using a calibration curve.
MDA20120008A 2012-01-10 2012-01-10 Method for quantitative determination of humic substances in natural waters MD4221C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20120008A MD4221C1 (en) 2012-01-10 2012-01-10 Method for quantitative determination of humic substances in natural waters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20120008A MD4221C1 (en) 2012-01-10 2012-01-10 Method for quantitative determination of humic substances in natural waters

Publications (2)

Publication Number Publication Date
MD4221B1 true MD4221B1 (en) 2013-04-30
MD4221C1 MD4221C1 (en) 2013-11-30

Family

ID=48227606

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20120008A MD4221C1 (en) 2012-01-10 2012-01-10 Method for quantitative determination of humic substances in natural waters

Country Status (1)

Country Link
MD (1) MD4221C1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU879416A1 (en) * 1979-09-17 1981-11-07 Всесоюзный научно-исследовательский институт торфяной промышленности Method of humus substance determination
SU1385041A1 (en) * 1986-05-19 1988-03-30 Научно-Исследовательский Гидрохимический Институт Method of determining humus content in natural water
SU1427298A1 (en) * 1986-10-02 1988-09-30 Киргизский Государственный Университет Им.50-Летия Ссср Method of detecting humic acids in natural water
RO98831B1 (en) * 1987-10-14 1990-04-30 Institutul Politehnic Method for simultaneously testing humic acids and phenole in water sources
SU1617329A1 (en) * 1988-09-28 1990-12-30 Гидрохимический институт Method of determining humic and fulvic acids in natural water
JPH0765965B2 (en) * 1991-09-24 1995-07-19 株式会社関西総合環境センター Chemiluminescent humic acid determination method
RU2312343C2 (en) * 2005-11-28 2007-12-10 ООО "Пелоид" Method of analysis of peloid humic acids
RU2338188C2 (en) * 2006-09-20 2008-11-10 Надежда Петровна Аввакумова Peloid hymatomelanic acid analysis method

Also Published As

Publication number Publication date
MD4221C1 (en) 2013-11-30

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Legal Events

Date Code Title Description
FG4A Patent for invention issued
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees