DECIMAL CLASSIFICATION 
542.8 Electric and galvanic manipulations 
See also physics, 537.85 Applications of electricity to chemistry. Clas here 
only apparatus for preparing chemic substances, not apparatus for study of 
phenomena. For analytic apparatus see special substance under 543 or special 
process under 544 or 545 
Other operations 
Attacks by acids and gases; oxidations, reductions etc. 
543-545 Analytic chemistry 
343 . Analysis 
Divided by material analyzed, whether qualitativly or quantitativly; i.e. substance 
takes precedence of process. Clas in 543 general works covering both qualitativ 
and quantitativ analysis 
See also 614.3 Adulterations 
Analysis of food and drink 
See also 613.2 Hygiene, 612.39 Nutrition 
Dairy products Milk 
See also agriculture, 637 Dairy products 
Water 
See also hygiene 613.31 Water as a beverage; and therapeutics 615.79 Min. 
eral waters 
Analysis of drugs and medicins 
See also 614.35 Inspection of drugs; 615 Medicin 
Poisons 
See also 615.9 Toxicology 
Analysis of rocks and ores 
See also 549 Mineralogy, 669.9 Assaying, 631 Agricultural chemistry 
Analysis of inorganic products in general 
For general works and special matter not provided for in previous subdivisions 
of 543 
Analysis of organic products in general 
For general works and special matter not provided for in previous subdivisions 
of 543 
Analysis of organic products of animal origin 
For general works and special matter not provided for in previous subdivisions 
of 543 See also 577 Biologv