| X820554 |
对二甲苯, 试剂级, 99% |
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| X820555 |
对二甲苯, Standard for GC,≥99.8%(GC) |
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| X820556 |
对二甲苯, ≥99.0% (GC) |
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| X820604 |
对二甲苯, 99%, with molecular sieves, Water≤50 ppm (by K.F.), MkSeal |
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| X708747 |
★对二甲苯标准溶液, 2000ug/ml in Purge and Trap Methanol |
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| X820558 |
★对二甲苯标准溶液, 1000μg/ml,溶剂：二硫化碳 |
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| X820559 |
★对二甲苯标准溶液, 1.00mg/mL,基体:甲醇 |
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| X821207 |
★对二甲苯溶液标准物质, 基质:甲醇 浓度:104ug/ml |
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