In order to ensure chemical safety in the workplace, information must be available about the identities and hazards of the chemicals. OSHA''s Hazard Communication Standard (HCS) requires the development and dissemination of such information
[More results] URL: http://www.osha.gov/SLTC/hazardcommunications/ in English [Translate]
... Chemical Sampling Information - Silica, Crystalline Cristobalite, Respirable Dust A to ... URL: http://www.osha.gov/dts/chemicalsampling/data/CH_266720.html
... relationships between the SiO2-polymorphs quartz, cristobalite and tridymite in ... The cristobalite structures: I High- ... URL: http://www.osha.gov/dsg/topics/silicacrystalline/smithdk/ref.html
Includes chart of standard for sieves and a small list of conversion for use with the chart.
[More results] URL: http://www.reade.com/Sieve/international_sieve.html in English [Translate]
... on the hydroxylated β-cristobaliteSiO2 (1 1 1) surface was ... of Au atom on hydroxylated SiO2 ... URL: http://www.chemie.de/fachpublikationen/328810/first-principles-study-on-ads...