YU293880A
(en )
1983-04-30
Process for the purification of phosphoric acid by the wet method
DE3370786D1
(en )
1987-05-14
Process for the purification of wet-process phosphoric acid
ZA80409B
(en )
1981-02-25
Purification of impure phosphoric acid
EG14547A
(en )
1985-03-31
Process for producing phosphoric acid
IL59380A0
(en )
1980-05-30
Purification of phosphoric acid
GB2042546B
(en )
1983-05-11
Process for the purification of esters of phosphorus thioacids
GB2039869B
(en )
1983-01-26
Treatment of impure phosphoric acid
IL55956A
(en )
1981-09-13
Process for the preparation of phosphoric acid
DE3362831D1
(en )
1986-05-15
Process for the purification of wet process phosphoric acid
IL60623A
(en )
1983-12-30
Process for the recovery of uranium from an impure phosphoric acid
DE3261063D1
(en )
1984-11-29
Process for the removal of organic impurities from phosphoric acid
GB1556478A
(en )
1979-11-28
Process for the purification of phosphoric acid
DE2961762D1
(en )
1982-02-25
Process for the manufacture of phosphorous acid
IL69426A
(en )
1986-10-31
Process for the manufacture of purified phosphoric acid
AU518507B2
(en )
1981-10-01
Purification of wet process phosphoric acid
DE3361243D1
(en )
1986-01-02
Process for the purification of wet-process phosphoric acid
DE2964996D1
(en )
1983-04-14
A process for the purification of phosphoric acid
PH14537A
(en )
1981-09-24
Process for the purification of an impure phosphoric acid
GB2062632B
(en )
1983-09-14
Process for the manufacture of acylhydrazones of formaylacetic acid esters
YU194678A
(en )
1983-01-21
Process for the purification of phosphoric acid
HU179386B
(en )
1982-10-28
Industrial process for producing 4-bracket-4-o-chloro-phenyl-bracket closed-phenyl-4-oxo-2-methylene-butyric acid of high purty
EP0289839A3
(en )
1989-02-01
Process for the purification of phosphorous acid
IL59055A
(en )
1983-12-30
Process for manufacture of phosphoric acid
CS194118B1
(en )
1979-11-30
Process for the purification of extraction phosphoric acid
IL54764A
(en )
1981-09-13
Process for purifying and defluorinating an impure phosphoric acid