Section 1
Chapter 895

Gas-liquid chromatographic determination of terbuthylazine technical and its formulations: collaborative study

Meier, J.; Nowak, K.; Suter, R.; Tomann, A.; Bosshardt, H.P.

Journal - Association of Official Analytical Chemists 64(4): 825-828


ISSN/ISBN: 0004-5756
Accession: 000894416

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Terbuthylazine technical and its 80% w.p. were analyzed in a CIPAC collaborative study. The content and the identity were determined by GLC on a column of 3% Carbowax K20M on Gas-Chrom Q, using di-n-pentylphthalate as the internal standard. Results obtained from 27 government, university and industrial collaborators showed within-laboratory repeatability of 1.3% for the technical and 1.0% for the w.p. Reproducibility was 2.1% for both samples. The method has been adopted official first action. From summary.

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