沃特曼whatman硬化无灰定量滤纸GRADE 540 1540-055 1540-090 1540-110 1540-125 1540-150
1540-070 1540-185 1540-240 8μm常规过滤用硬化低灰定量滤纸,灰分小于0.008%,中等流速,常用于酸性或碱性溶液中金属物质的比重分析

沃特曼whatman硬化无灰定量滤纸GRADE 540 1540-055 1540-090 1540-110 1540-125 
1540-150的详细介绍whatman硬化无灰定量滤纸GRADE 540 1540-055 1540-090 1540-110 1540-125 
1540-150whatman硬化无灰定量滤纸GRADE 5401540-321 1540-324 1540-042 1540-055 1540-090 
1540-110 1540-125 1540-150 1540-070 1540-185 1540-240 
8μm常规过滤用硬化无灰定量滤纸,灰分小于0.008%,中等流速,常用于酸性或碱性溶液中金属物质的比重分析
The general purpose hardened ashless filter paper with medium retention and flow 
rate. Extremely pure and strong with a hard surface. High chemical resistance to 
strong acid and alkali. Frequently used in the gravimetric analysis of metals in 
acid/alkali solutions and in collecting hydroxides after precipitation by strong 
alkalis

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            Partisil HPLC Columns 色谱柱