ChemPal Documentation - v1.6.0
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    Function parseGrade

    • Extracts a chemical grade from a string. Recognizes the grade written inline in a product title ("SODIUM, REAGENT (ACS) - 500 G") as well as written as a labeled field ("Grade: Technical"). Falls back to "Ungraded" rather than undefined, so the Purity column always has something to show.

      Parameters

      • value: string

        The string to extract the grade from (e.g. a product title)

      Returns string

      The grade label (e.g. "ACS Grade"), or "Ungraded" if none is found

      parseGrade("SODIUM, REAGENT (ACS) - 500 G")   // Returns "ACS Grade"
      parseGrade("SODIUM CHLORITE, 80% TECHNICAL") // Returns "Technical Grade"
      parseGrade("Citric acid, BP/USP") // Returns "USP Grade"
      parseGrade("Grade: Technical") // Returns "Technical Grade"
      parseGrade("Sodium, Reagent (NF) - 500 G") // Returns "NF Grade"
      parseGrade("SODIUM NITRATE, 99.999% - 50 G") // Returns "Ungraded"
      export const parseGrade = (value: string): string => {
      return matchGrade(value) ?? 'Ungraded';
      };
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