Patenton — panteon of patents

(19)

RU

(11)

2 091 768

(13)

C1

(51)

IPC

(21) (22)

Application

4952592/04, 1991-06-28

(22)

Actual filing date

1991-06-28

(45)

Published

1997-09-27

(72)

Inventor

Durnev V.F.Kaljakin S.N.Kachin S.V.Runov V.K.

(73)

Holder

Khimicheskij Fakul'Tet Mgu Im.M.V.LomonosovaKrasnojarskij Gosudarstvennyj Universitet

COMPOSITION OF SENSOR ELEMENT FOR DETERMINING FORMALDEHYDE IN AIR Russian patent published in 1997 - IPC

Abstract RU 2091768 C1

FIELD: analytical methods. SUBSTANCE: sensor element is composed of cellulose with 40-60% (based on total weight) acetylacetone and 6-12% ammonium acetate. EFFECT: increased accuracy.

Similar patents RU2091768C1

Title Year Author Number
COMPOSITION FOR IDENTIFYING NITRATE-IONS IN SOLUTIONS 1997
  • Marchenko D.Ju.
  • Morosanova E.I.
 RU2141115C1
INDICATOR COMPOSITION FOR ASSAYING ACETIC ACID IN GAS PHASE 1995
  • Kachin S.V.
  • Prikhod'Ko N.A.
  • Popov A.A.
 RU2099701C1
INDICATOR COMPOSITION FOR DETERMINING HYDROGEN FLUORIDE IN GASEOUS PHASE 1995
  • Kachin S.V.
  • Fomenko E.V.
  • Prikhod'Ko N.A.
  • Popov A.A.
 RU2078343C1
PROCESS OF DETERMINATION OF IRON (III) AND ALUMINIUM (III) IN ACID LIQUORS 1993
  • Zhalovannaja S.V.
  • Morosanova E.I.
 RU2043629C1
REAGENT FOR COLORIMETRIC AND PHOTOMETRIC DETERMINATION OF NITRITES IN AQUEOUS SOLUTIONS 1992
  • Shirinova A.G.
  • Ivanov V.M.
 RU2038579C1
METHOD OF SIMULTANEOUS IN-FLOW DETERMINATION OF CALCIUM AND MAGNESIUM IONS IN SOLUTIONS 1993
  • Djukarev S.S.
  • Morosanova E.I.
 RU2076322C1
METHOD OF PREPARING POROUS SILICON DIOXIDE MODIFIED BY PHOSPHORUS- MOLYBDENUM HETEROPOLYMER COMPOUNDS 1998
  • Morosanova E.I.
  • Velikorodnyj A.A.
  • Kuz'Min N.M.
  • Zolotov Ju.A.
 RU2139243C1
INDICATOR COMPOSITION FOR DETECTION OF AEROSOLS OF STRONG BASE 1995
  • Prikhod'Ko N.A.
  • Kachin S.V.
  • Popov A.A.
 RU2114429C1
METHOD OF DETECTION OF ALUMINIUM (III) AND MANGANESE (II) IN SOLUTIONS 1993
  • Morosanova E.I.
  • Zhalovannaja S.V.
 RU2096764C1
METHOD OF PREPARING FINE-CRYSTALLINE NONALLOYED AND ALLOYED YTTRIUM-ALUMINUM GARNET 1998
  • Danchevskaja M.N.
  • Ivakin Ju.D.
  • Janechko P.A.
 RU2137867C1

RU 2 091 768 C1

Authors

Durnev V.F.

Kaljakin S.N.

Kachin S.V.

Runov V.K.

Dates

1997-09-27—Published

1991-06-28—Filed

read Similar patents