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Subject: high purity analytical standard pharm. The Sigma analytical standard is a high purity analytical standard. The purity of the standard is greater than 99.995% (nominally 100%).. The purity of the standard is greater than 99.995% (nominally 100%).
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link 2.10.2009 11:33 |
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стандартный образец с высокой степенью чистоты. иначе и короче, первичный эталон |
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