lead soapの例文

• During the 1950s the use of lead soaps was eliminated and replaced by zinc and phosphorus compounds such as zinc dithiophosphate.
• The early extreme pressure additives were based on lead salts of fatty acids ( " lead soaps " ), " active sulfur " compounds ( e . g . thiols and elementary sulfur ), and chlorinated compounds.
• In the United States, the Occupational Safety and Health Administration has set the permissible exposure limit for lead exposure in the workplace as 0.05 mg / m 3 over an 8-hour workday, which applies to metallic lead, inorganic lead compounds, and lead soaps.