| http://www.w3.org/ns/prov#value | - from 0.5 to 4, y is a number in the range from 5 to 35 andz is a number in the range from 0 to 2, and (F) is(F1) an antimicrobial agent, or/and (F2) at least one acid, at least one base and/or at least one buffer for pH adjustment, and is essentially free from alcohols other than (B) and from solvents or solubilizers other than water and (B);providing a free-flowing material (SG); and contacting
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