C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
117/93, 148/62.1
C23C 1/02 (1980.01) C23C 1/12 (1980.01)
Patent
CA 1051759
ABSTRACT OF THE DISCLOSURE Low fuming prefluxes are provided which can be used in operations in which a preheating step is involved which contain from 8 to 30% by weight of ammonium chloride and zinc chloride at a weight ratio of 0.1 to 0.4 in water.
228054
E.i. Du Pont de Nemours And Company
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