Botvinkin, O. K.; Golba, T. E.
Keram. i Steklo, 1933 , # 1 p. 21 - 21
C. I, 1934 , p. 1096
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Gmelin Handbook: Cl: SVol.A, 26, page 40 - 42
sulfuric acid in water
byproducts: CaSO4, Ca3(PO4)2; react. of CaHPO4 with a satd. soln. of NaHSO4 (from technical alkali disulfate) in H2SO4; leaching mass; react. of NaH2PO4 soln. with CaO by pptn. of CaHPO4, reaction of filtrate containing Na2HPO4 with CaO in water;;
参考文献
Gmelin Handbook: Na: MVol., 43.5, page 177 - 179
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Crudo
Patent: DE173901 , 1904 ;
hydrogenchloride
byproducts: NaCl; gaseous HCl, cooling; pptn. of NaCl;
参考文献
Gmelin Handbook: S: MVol.A2, 3.2.4, page 452 - 458
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I. G. Farbenindustrie A.-G.
Patent: FR881356 , 1943 ;
C. I, 1944 , p. 375
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Krebs & Co. A.-G.
Patent: CH258579 , 1949 ;
C. I, 1950 , p. 773