FR932226A - Process for promoting needle formation in gypsum precipitates - Google Patents

Process for promoting needle formation in gypsum precipitates

Info

Publication number
FR932226A
FR932226A FR932226DA FR932226A FR 932226 A FR932226 A FR 932226A FR 932226D A FR932226D A FR 932226DA FR 932226 A FR932226 A FR 932226A
Authority
FR
France
Prior art keywords
needle formation
gypsum precipitates
promoting needle
promoting
gypsum
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Hubert Forestier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CIE DES PHOSPHATES ET DU CHEMI
Original Assignee
CIE DES PHOSPHATES ET DU CHEMI
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 CIE DES PHOSPHATES ET DU CHEMI filed Critical CIE DES PHOSPHATES ET DU CHEMI
Application granted granted Critical
Publication of FR932226A publication Critical patent/FR932226A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
FR932226D 1946-08-13 1946-08-13 Process for promoting needle formation in gypsum precipitates Expired FR932226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR932226T 1946-08-13

Publications (1)

Publication Number Publication Date
FR932226A true FR932226A (en) 1948-03-16

Family

ID=9455080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR932226D Expired FR932226A (en) 1946-08-13 1946-08-13 Process for promoting needle formation in gypsum precipitates

Country Status (1)

Country Link
FR (1) FR932226A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395965A1 (en) * 1977-07-01 1979-01-26 Sueddeutsche Kalkstickstoff PROCESS FOR PREPARING MINERAL FIBERS BASED ON CALCIUM SULPHATE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395965A1 (en) * 1977-07-01 1979-01-26 Sueddeutsche Kalkstickstoff PROCESS FOR PREPARING MINERAL FIBERS BASED ON CALCIUM SULPHATE

Similar Documents

Publication Publication Date Title
CH289698A (en) Polyacrylonitrile solution and method for preparing it.
FR950326A (en) Process for improving naphtha gasoline
FR943446A (en) Process for the production of acrylonitrile
FR968161A (en) Process for the manufacture of ammonium salts of sulfaminated acids
FR932226A (en) Process for promoting needle formation in gypsum precipitates
FR948975A (en) Process for the enrichment of minerals
FR943460A (en) Process for the preparation of hexachlorcyclohexane
FR966051A (en) Process for reducing the formation of scum
FR944450A (en) Process for the production of hydrocarbons
FR1010934A (en) Process for forming conduits in concrete
FR924787A (en) Process for the elimination of silica contained in water
FR921287A (en) Process for making emulsions
FR922529A (en) Method for raising the concentration of heavy water
FR54521E (en) Process for obtaining colored relief views
FR919911A (en) Process for obtaining relief patterns in pottery and pottery provided with relief patterns according to this process
FR945663A (en) Process for the preparation of pyridyl-3-carbinol ethers-salts
FR1003606A (en) Process for obtaining quartz crystals
FR932039A (en) Electrolysis process
FR919888A (en) Gasoline production process
FR1001576A (en) Process for obtaining free aminocarboxylic acids
FR923442A (en) Process for dyeing articles made of superpolyamides or superpolyurethanes
FR951049A (en) Process for directing crystal growth
FR971799A (en) Process for the enrichment of magnesia in calcined dolomite
FR932648A (en) Process for obtaining diiodochelidamic acid
FR968343A (en) Process for improving alkaline clay soils