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(Nicotinic acid PTSA) protein TKN standard: 4,743 % N, 29,64 % crude protein. For checking the... more
(Nicotinic acid PTSA) protein TKN standard: 4,743 % N, 29,64 % crude protein. For checking the accuracy and the digestion yield when determining total nitrogen and TKN. 25 g bottle. See 2277800 for the complete set of three standards with ascending digestion resistance.
| Weight: | 25 g |
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