Lab & Analysis

• Instrumentation for Metals Analysis
  What type of instrumentation does the analytical lab use for metals analysis? ICP-OES is used with NIST traceable standards ...read more
  
• APHA Color Scale
  What is the APHA color scale? The color intensity of liquids may be estimated rapidly by using platinum-cobalt standards as described in ASTM (1997b). This method is particularly applicable to those materials in which the color-producing substances have light absorption characteristics nearly identical with those in the standards. Colors having hues other than light yellow or reddish yellow cannot be determined with these standards. The scale reads zero to twenty for most ACS or SEMI grade chemicals with zero indicating a water white solution. ...read more
  
• Indicator for Titration of Hydrochloric Acid
  What indicator is used to titrate Hydrochloric Acid? ACS guidelines state that methyl orange is the most accurate indicator. ...read more
  
• Software Used for Analysis of Lab Data
  What software does your lab use for data analysis? We use Excel for the analysis of lab data. ...read more
  
• Education Standards
  Do the laboratory personnel employed at Puritan Products Inc. have minimum education background standards for employment? The minimum for lab employment is a Bachelor’s degree in chemistry, biochemistry, biology or similar scientific field. ...read more