ZA76851B - Chromium oxide pigment from sodium chromate dihydrate plus ammonium salt - Google Patents

Chromium oxide pigment from sodium chromate dihydrate plus ammonium salt

Info

Publication number
ZA76851B
ZA76851B ZA851A ZA76851A ZA76851B ZA 76851 B ZA76851 B ZA 76851B ZA 851 A ZA851 A ZA 851A ZA 76851 A ZA76851 A ZA 76851A ZA 76851 B ZA76851 B ZA 76851B
Authority
ZA
South Africa
Prior art keywords
ammonium salt
chromium oxide
oxide pigment
sodium chromate
plus ammonium
Prior art date
Application number
ZA851A
Other languages
English (en)
Inventor
M Mansmann
W Rambold
Original Assignee
Bayer Ag
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
Priority claimed from DE19752530565 external-priority patent/DE2530565C3/de
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of ZA76851B publication Critical patent/ZA76851B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00Compounds of chromium
    • C01G37/02Oxides or hydrates thereof
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
ZA851A 1975-07-09 1976-02-13 Chromium oxide pigment from sodium chromate dihydrate plus ammonium salt ZA76851B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752530565 DE2530565C3 (de) 1975-07-09 Verfahren zur Herstellung von Chromoxidgrün

Publications (1)

Publication Number Publication Date
ZA76851B true ZA76851B (en) 1977-01-26

Family

ID=5951021

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA851A ZA76851B (en) 1975-07-09 1976-02-13 Chromium oxide pigment from sodium chromate dihydrate plus ammonium salt

Country Status (7)

Country Link
US (1) US4040860A (cs)
JP (1) JPS528999A (cs)
BR (1) BR7600926A (cs)
ES (1) ES445137A1 (cs)
FR (1) FR2317340A1 (cs)
GB (1) GB1522051A (cs)
ZA (1) ZA76851B (cs)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2635086C3 (de) * 1976-08-04 1980-11-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von schwefelarmen Chrom(III)oxid
US4230677A (en) * 1978-11-30 1980-10-28 Union Carbide Corporation Recovery of Cr2 O3 from a chromium bearing solution
NL7900261A (nl) * 1978-01-17 1979-07-19 British Chrome Chemicals Ltd Bereiding van chroomoxide.
US4296076A (en) * 1979-01-15 1981-10-20 British Chrome & Chemicals Ltd. Chromic oxide production
DE3609971A1 (de) * 1986-03-25 1987-10-01 Basf Ag Verfahren zur herstellung von chrom(iii)oxid, eine vorrichtung zur durchfuehrung des verfahrens sowie die verwendung des chrom(iii)oxids als ausgangsmaterial fuer die chromdioxid-synthese
DE3736994A1 (de) * 1987-10-31 1989-05-11 Bayer Ag Chromoxidgruen, verfahren zu seiner herstellung und dessen verwendung
DE3819779A1 (de) * 1988-06-10 1989-12-21 Bayer Ag Verbessertes chromoxidgruen, verfahren zu seiner herstellung und dessen verwendung
JP3031688B2 (ja) * 1990-07-05 2000-04-10 三井化学株式会社 触媒活性の安定化方法
DE4110880C1 (cs) * 1991-04-04 1992-12-03 Bayer Ag, 5090 Leverkusen, De
RU2258039C1 (ru) * 2004-03-09 2005-08-10 Закрытое акционерное общество "Русский Хром 1915" Способ получения окиси хрома
MD3296G2 (ro) * 2006-06-21 2007-11-30 Государственный Университет Молд0 Procedeu de obţinere a pigmentului verde, opac, foto- şi termorezistent
RU2382061C1 (ru) * 2008-06-30 2010-02-20 Открытое акционерное общество "Новотроицкий завод хромовых соединений" Способ получения изумрудного хромового пигмента
CN104445408A (zh) * 2013-09-12 2015-03-25 中国科学院过程工程研究所 一种黄绿色调氧化铬绿颜料的制备方法
CN112142108B (zh) * 2019-06-28 2023-01-10 湖北振华化学股份有限公司 一种重铬酸铵和硫酸钠混合晶体及其制备方法和用途

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1429912A (en) * 1921-11-05 1922-09-19 D Adrian Alexander L Duval Process of making green chrome oxide
US2156451A (en) * 1935-08-02 1939-05-02 Siegle & Co G M B H G Chromium hydroxide green
DE728233C (de) * 1940-04-03 1942-11-23 Silesia Ver Chemischer Fabrike Herstellung von Chromoxydgruen
US3278261A (en) * 1965-12-07 1966-10-11 Pittsburgh Plate Glass Co Preparation of dense chromic oxide

Also Published As

Publication number Publication date
DE2530565B2 (de) 1977-07-07
ES445137A1 (es) 1977-05-16
FR2317340A1 (fr) 1977-02-04
JPS528999A (en) 1977-01-24
US4040860A (en) 1977-08-09
DE2530565A1 (de) 1977-01-13
GB1522051A (en) 1978-08-23
BR7600926A (pt) 1977-05-10
FR2317340B3 (cs) 1978-11-03

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