BE558452A - - Google Patents

Info

Publication number
BE558452A
BE558452A BE558452DA BE558452A BE 558452 A BE558452 A BE 558452A BE 558452D A BE558452D A BE 558452DA BE 558452 A BE558452 A BE 558452A
Authority
BE
Belgium
Prior art keywords
emi
alkaline
phosphite
solution
hypophosphite
Prior art date
Application number
Other languages
English (en)
French (fr)
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.)
Publication of BE558452A publication Critical patent/BE558452A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
BE558452D 1956-06-20 BE558452A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1119237X 1956-06-20

Publications (1)

Publication Number Publication Date
BE558452A true BE558452A (ja)

Family

ID=9630864

Family Applications (1)

Application Number Title Priority Date Filing Date
BE558452D BE558452A (ja) 1956-06-20

Country Status (4)

Country Link
BE (1) BE558452A (ja)
CH (1) CH360377A (ja)
DE (1) DE1119237B (ja)
FR (2) FR1152431A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521391A (en) * 1984-01-13 1985-06-04 Stauffer Chemical Company Method to improve yields of sodium hypophosphite
US4552737A (en) * 1984-01-13 1985-11-12 Stauffer Chemical Company Method to improve yields of sodium hypophosphite

Also Published As

Publication number Publication date
FR1152431A (fr) 1958-02-17
DE1119237B (de) 1961-12-14
CH360377A (fr) 1962-02-28
FR1164005A (fr) 1958-10-06

Similar Documents

Publication Publication Date Title
US3281460A (en) Method for the preparation of stable and pure glyoxylic acid
CN110668489A (zh) 一种从含锌废渣制备一水硫酸锌的方法
CS196408B2 (en) Process for preparing high pure ethylenglycole
EP0004841B1 (fr) Procédé intégré de traitement des eaux résiduaires d'ateliers d'anodisation
US2385483A (en) Recovery and purification of iodine
BE558452A (ja)
CN113336640B (zh) 一种降低1,4-萘二羧酸杂质含量的方法
CA2225798C (fr) Procede de purification par extraction d'un milieu liquide
CN115010152A (zh) 一种碳酸锂提纯生产工艺
FR2594107A1 (fr) Procede de preparation de chlorate de metal alcalin
CH636624A5 (fr) Procede de fabrication de monoethylphosphite d'aluminium.
JPS596802B2 (ja) 過炭酸ソ−ダを製造する方法
CN117884452B (zh) 一种处理含氨含钨渣的方法
KR840002354B1 (ko) Auc 제조공정의 폐수에서 우라늄 회수법
CN115872379B (zh) 去除固体磷酸锂中钙的方法
US3533924A (en) Method of producing aluminum fluoride
SU1664739A1 (ru) Способ получени иодидов и иодатов металлов
CN117604276A (zh) 一种基于液相冶金的高纯钼提纯方法
FR2487323A1 (fr) Procede de preparation d'acide phosphorique, ayant une meilleure teneur en uranium, par voie humide
JPS5943945B2 (ja) ε↓−カプロラクタムの精製方法
BE445801A (ja)
WO1983000509A1 (en) Selective purification of arsenical material during an alkaline process for the treatment of a uranium-bearing and/or molybdenum-bearing mineral by means of a magnesium compound
CH196339A (fr) Procédé de fabrication de sulfate basique d'aluminium très pur.
BE824253A (fr) Procede de preparation de peroxohydrate de carbonate de sodium
FR2774374A1 (fr) Procede pour la production de terephtalate d'un metal alcalin purifie, issu de produits de saponification de polyterephtalates d'alkylene de recuperation