沃特曼whatman硬化无灰定量滤纸GRADE 540 1540-055 1540-090 1540-110 1540-1251540-150的详细介绍whatman硬化无灰定量滤纸GRADE 540 1540-055 1540-090 1540-110 1540-1251540-150whatman硬化无灰定量滤纸GRADE 5401540-321 1540-324 1540-042 1540-055 1540-0901540-110 1540-125 1540-150 1540-070 1540-185 1540-2408μm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 flowrate. Extremely pure and strong with a hard surface. High chemical resistance tostrong acid and alkali. Frequently used in the gravimetric analysis of metals inacid/alkali solutions and in collecting hydroxides after precipitation by strongalkalis

whatman滤膜层析产品一级代 理(二)

WHATMAN薄层层析板TLC WHATMAN尼龙膜 WHATMAN空气检测用滤膜PM2.5 PM10 3MM色谱纸31ET色谱纸3MM滤纸 WHATMAN囊式过滤器 WHATMAN硝酸纤维素膜NC膜 WHATMAN PVDF膜 WHATMAN PURADISC25针头式过滤器 WHATMAN盘式过滤器 WHATMAN基因组纯化试剂盒 FTA卡 全不锈钢真空过滤器 Partisil HPLC Columns 色谱柱