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Glycine p-toluenesulfonic acid, 25 g

(glycine PTSA), protein TKN standard: 5.665 % N, 35.40 % crude protein. For verification of accuracy and digestion yield in total nitrogen and TKN determinations. 25 g bottle. See 2277800 for the complete set of three standards with ascending digestion resistance.

Weight: 25 g
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