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WAT011588Polystyrene Standards Kit, Low - Mid MW
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WAT011610Polystyrene Standards Kit, Mid-High MW
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WAT027049Porapak N 100 - 120 mesh, 29 g
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WAT027047Porapak N 50 - 80 mesh, 29 g
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WAT027048Porapak N 80 - 100 mesh, 29 g
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WAT027055Porapak P 100 - 120 mesh, 20 g
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WAT027053Porapak P 50 - 80 mesh, 20 g
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WAT027054Porapak P 80 - 100 mesh, 20 g
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WAT027085Porapak PS 100 - 120 mesh, 20 g
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WAT027083Porapak PS 50 - 80 mesh, 20 g
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WAT027084Porapak PS 80 - 100 mesh, 20 g
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WAT027061Porapak Q 100 - 120 mesh, 26 g