IS3689A7 - Hlutleysing krómats í sementi með mangan - Google Patents

Hlutleysing krómats í sementi með mangan

Info

Publication number
IS3689A7
IS3689A7 IS3689A IS3689A IS3689A7 IS 3689 A7 IS3689 A7 IS 3689A7 IS 3689 A IS3689 A IS 3689A IS 3689 A IS3689 A IS 3689A IS 3689 A7 IS3689 A7 IS 3689A7
Authority
IS
Iceland
Prior art keywords
cement
chromate
pct
water
manganese
Prior art date
Application number
IS3689A
Other languages
English (en)
Other versions
IS1722B (is
Inventor
Bang Larsen Søren
Original Assignee
Aalborg Portland A/S
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 Aalborg Portland A/S filed Critical Aalborg Portland A/S
Publication of IS3689A7 publication Critical patent/IS3689A7/is
Publication of IS1722B publication Critical patent/IS1722B/is

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • C04B22/08Acids or salts thereof
    • C04B22/14Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • C04B22/08Acids or salts thereof
    • C04B22/14Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • C04B22/142Sulfates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G01N33/383Concrete or cement
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0004Compounds chosen for the nature of their cations
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/10Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
    • C04B2111/1075Chromium-free or very low chromium-content materials
    • C04B2111/1081Chromium VI, e.g. for avoiding chromium eczema

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
IS3689A 1990-04-11 1991-04-11 Hlutleysing krómats í sementi með mangan IS1722B (is)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK093690A DK93690D0 (da) 1990-04-11 1990-04-11 Cementkomposition

Publications (2)

Publication Number Publication Date
IS3689A7 true IS3689A7 (is) 1991-10-12
IS1722B IS1722B (is) 1999-07-26

Family

ID=8099192

Family Applications (1)

Application Number Title Priority Date Filing Date
IS3689A IS1722B (is) 1990-04-11 1991-04-11 Hlutleysing krómats í sementi með mangan

Country Status (12)

Country Link
US (1) US5362321A (is)
EP (1) EP0524999B1 (is)
AT (1) ATE139987T1 (is)
AU (1) AU647118B2 (is)
CA (1) CA2080379A1 (is)
DE (1) DE69120672T2 (is)
DK (2) DK93690D0 (is)
FI (1) FI103504B (is)
IE (1) IE76464B1 (is)
IS (1) IS1722B (is)
NO (1) NO309977B1 (is)
WO (1) WO1991015435A1 (is)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4321077A1 (de) 1993-06-24 1995-01-05 Dyckerhoff Ag Verfahren zur Depression der Allergien verursachenden Wirkung von wasserlöslichem Cr·V··I· in Zementen und/oder zementhaltigen Zubereitungen
US5792384A (en) * 1997-01-31 1998-08-11 Warren; James R. Concrete masons' hand rinse
EP0960865A1 (de) * 1998-05-25 1999-12-01 Chemische Werke Zell-Wildshausen GMBH Mittel zur Reduzierung von Chrom (VI)-Ionen in einer hydraulisch abbindenden Masse
DE19832127A1 (de) * 1998-07-17 2000-05-04 Ardex Gmbh Shigait bildende Bindemittelmischung
US6816791B2 (en) * 2000-01-31 2004-11-09 W. R. Grace & Co.-Conn. Assay methods for hydratable cementitious compositions
DE10157129C2 (de) * 2001-11-21 2003-10-30 Ferro Duo Gmbh Verfahren zur Herstellung eines hydraulischen Bindemittels
DE20321107U1 (de) * 2003-07-17 2005-12-15 Kerr-Mcgee Pigments Gmbh Zubereitung zur Reduktion des löslichen Chromatgehaltes in Zement
DE10335363B3 (de) * 2003-08-01 2005-04-07 Dr. Paul Lohmann Gmbh Kg Verwendung einer Lösung und Verfahren zur Herstellung eines Mittels zur Reduzierung von Chromanteilen in einer Zementverbindung sowie danach hergestelltes Mittel
FR2858612B1 (fr) 2003-08-08 2006-02-24 Chryso Sas Suspension aqueuse colloidale d'hydroxyde d'etain destinee a la reduction de chrome dans le ciment
US7128782B2 (en) * 2003-11-21 2006-10-31 W.R. Grace & Co.-Conn. Sulfate dispersion chromate reducer
EP1713739A4 (en) * 2004-02-04 2010-04-14 Grace W R & Co LIQUID ADDITIVE FOR THE COMMON MARKING OF CEMENT
EP1580174B1 (en) * 2004-03-23 2007-02-21 Gruppo Chimico Dalton S.p.A. Process for preparing cement with a low hexavalent chromium content
ATE485248T1 (de) * 2004-11-25 2010-11-15 Mapei Spa Zusatzmittel zur herstellung von chromatfreiem zement
GB2426514A (en) * 2005-05-24 2006-11-29 William Blythe Ltd Chromium VI reduced cements
US20070034118A1 (en) * 2005-08-12 2007-02-15 Jardine Leslie A Dosage efficient, storage stable compositions for reducing chromium (VI) in cement
DE102005044941A1 (de) * 2005-09-20 2007-03-22 Eric Blauenstein Verfahren und Mittel zur reduktiven Chromatentgiftung von Zementzubereitungen
US7435518B2 (en) * 2005-10-03 2008-10-14 Xerox Corporation Method of treating an electrophotographic-imaging member with a rare earth material
US7296626B2 (en) * 2005-11-08 2007-11-20 Halliburton Energy Services, Inc. Liquid additive for reducing water-soluble chromate
ITMI20120764A1 (it) 2012-05-07 2013-11-08 Mapei Spa Additivo per cemento portland costituito da un riducente incapsulato in una matrice polimerica
CN113087428B (zh) * 2021-03-26 2022-06-07 唐山冀东水泥外加剂有限责任公司 一种降铬剂及其制备方法和水泥

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE224840C (is) * 1909-05-11 1910-07-29
US1865021A (en) * 1929-11-08 1932-06-28 Yosemite Portland Cement Corp Cement and process of making
IS1443B6 (is) * 1980-12-17 1990-12-14 Aalborg Portland A/S thurr sementsblanda
US4584691A (en) * 1983-08-15 1986-04-22 Herr Ernest A Timed pulse communication system

Also Published As

Publication number Publication date
EP0524999A1 (en) 1993-02-03
CA2080379A1 (en) 1991-10-12
DK0524999T3 (da) 1996-10-28
FI924585A0 (fi) 1992-10-09
AU7671091A (en) 1991-10-30
ATE139987T1 (de) 1996-07-15
IS1722B (is) 1999-07-26
IE76464B1 (en) 1997-10-22
DK93690D0 (da) 1990-04-11
AU647118B2 (en) 1994-03-17
NO923937L (no) 1992-10-09
IE911222A1 (en) 1991-10-23
EP0524999B1 (en) 1996-07-03
DE69120672T2 (de) 1997-03-06
US5362321A (en) 1994-11-08
FI103504B1 (fi) 1999-07-15
NO923937D0 (no) 1992-10-09
NO309977B1 (no) 2001-04-30
WO1991015435A1 (en) 1991-10-17
FI924585L (fi) 1992-10-09
DE69120672D1 (de) 1996-08-08
FI103504B (fi) 1999-07-15

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