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 | ADVANTEC 232號定性濾紙，9.0厘米直徑 |
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 | H-B Instrument Company 30550 玻璃溫度計Easy-read General Purpose Thermometer, 20/440°F, 350mm Length, Total Immersion |
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 | WhatmanGrade1定性濾紙1001-185 GR 1 18.5CM 100/PKWhatman定性濾紙用于定性分析技術中鑒定物質(zhì)的性質(zhì)。折疊好的定性濾紙與相同型號平整的濾紙相比，加快了流速和增加了負載力 |
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 | Whatman Grade3定性濾紙1003-125 GR3 12.5CM 100/PK厚度是Grade 1的兩倍。負載力好，顆粒保留較小，無堵塞便可得到更多沉淀物。由于其濕強度好，適合放在布氏漏斗中使用。其高吸附性能可用作樣品的載體是飼料中哌嗪、乳制品中山梨酸測定的標準濾紙。 |
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