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 | H-B Instrument Company 4730 玻璃溫度計(jì)H-B Instrument Hydrometer, —0 to 50° Baume, 1° Divisions, Plain Form |
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 | Cole-Parmer 4210CP 大的數(shù)字棒溫度計(jì)（精度±1）Cole-Parmer Big-Digit Stick-it Thermometers (Accuracy ±1) |
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| | DEMINERALISED WATER 10LT BOTTLEDemineralised water is manufactured using a very careful process than removes both minerals and ions. |
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 | WhatmanGrade1定性濾紙1001-025 GR 1 2.5CM 400/PKWhatman定性濾紙用于定性分析技術(shù)中鑒定物質(zhì)的性質(zhì)。折疊好的定性濾紙與相同型號(hào)平整的濾紙相比，加快了流速和增加了負(fù)載力 |
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 | Whatman 8 RULED 定性濾紙10347004 8 RULED 45MM 100/PKWhatman定性濾紙用于定性分析技術(shù)中鑒定物質(zhì)的性質(zhì)。折疊好的定性濾紙與相同型號(hào)平整的濾紙相比，加快了流速和增加了負(fù)載力,定性濾紙—標(biāo)準(zhǔn)級(jí),Wet Strengthened Grades濕強(qiáng)定性濾紙。濕強(qiáng)定性濾紙含有少量的化學(xué)穩(wěn)定樹脂，因而增強(qiáng)了濕強(qiáng)度。這不會(huì)因此引入任何明顯的雜質(zhì)到濾液中。但因樹脂含氮，這些級(jí)別的濾紙不能用于凱氏定氮測(cè)定。 |
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 | Whatman 8 RULED 定性濾紙10347009 8 RULED 90MM 100/PKWhatman定性濾紙用于定性分析技術(shù)中鑒定物質(zhì)的性質(zhì)。折疊好的定性濾紙與相同型號(hào)平整的濾紙相比，加快了流速和增加了負(fù)載力,定性濾紙—標(biāo)準(zhǔn)級(jí),Wet Strengthened Grades濕強(qiáng)定性濾紙。濕強(qiáng)定性濾紙含有少量的化學(xué)穩(wěn)定樹脂，因而增強(qiáng)了濕強(qiáng)度。這不會(huì)因此引入任何明顯的雜質(zhì)到濾液中。但因樹脂含氮，這些級(jí)別的濾紙不能用于凱氏定氮測(cè)定。 |
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