Pregunta:
The following maximum limits prevail unless otherwise directed: 1 Mercury and the cationic, surfaceactive compounds 2) Chlorobutanol, cresol, phenol, and similar types of substances 3) Sulfur dioxide, or an equivalent amount of the sulfite, bisulfite, or metabisulfite of potassium or sodium
Autor: LEIGHTON DWIGHT OBILLOSRespuesta:
. 1) 0.01% 2) 0.5% 3) 0.2%
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