"100423330"@en-us . "0"^^ . "colorimetric analysis"@en-us . . "00647536-n"^^ . . "100647536"^^ . . "quantitative chemical analysis by color using a colorimeter"@en-us . . . . "0"^^ . "colorimetry"^^ . "quantitative chemical analysis by color using a colorimeter"@en-us . . . . "colorimetry"@en-us . . . "100611167"@en-us . . .