描述
| 產品規格 | 產品規格 | ||
定量濾紙 Grade NO.40 – Quantitative Filter Papers | 定量濾紙 Grade NO.41 – Quantitative Filter Papers | ||
| Whatman® | Whatman® | ||
| Qualitative Filter Paper | Qualitative Filter Paper | ||
| ●孔徑8um，厚度0.21mm | ●孔徑20~25um，厚度0.22mm | ||
| ●用於一般目的的無灰濾紙，中等的顆粒滯留能力及流速 | ●過濾速度最快，適用於大顆粒及較黏稠之溶液，如金屬，氫氧化鋁 | ||
| ●廣泛的應用於土壤，金屬，水泥之定量分析，或用於原子吸收分光 | 之分析，亦可用於高流量之空汙監測用 | ||
| 光度法前的溶液之過濾和空汙監測 | ●每盒(bx)100張 | ||
| ●每盒(bx)100張 | – | ||
| 直徑 mm | 孔徑µm | 直徑 mm | 孔徑µm |
| 30 | 8 | 42.5 | 20~25 |
| 42.5 | 8 | 47 | 20~25 |
| 47 | 8 | 55 | 20~25 |
| 55 | 8 | 70 | 20~25 |
| 70 | 8 | 90 | 20~25 |
| 90 | 8 | 110 | 20~25 |
| 110 | 8 | 125 | 20~25 |
| 125 | 8 | 150 | 20~25 |
| 150 | 8 | 185 | 20~25 |
| 185 | 8 | 240 | 20~25 |
| 240 | 8 | 320 | 20~25 |
定量濾紙 Grade NO.42 – Quantitative Filter Papers | 定量濾紙 Grade NO.43 – Quantitative Filter Papers | ||
| Whatman® | Whatman® | ||
| Qualitative Filter Paper | Qualitative Filter Paper | ||
| ●孔徑2.5um，厚度0.2mm | ●孔徑16um，厚度0.22mm | ||
| ●在全球普遍被採用於精確的定量分析用，包括碳酸鈣，硫酸鋇等， | ●顆粒滯留能力介於NO.40與NO.41之間，過濾速度快於NO.40的兩倍， | ||
| 是Whatman定量濾紙中滯留粒徑最小的一種 | 用於土壤及食品分析 | ||
| ●每盒(bx)100張 | ●每盒(bx)100張 | ||
| 直徑 mm | 孔徑µm | 直徑 mm | 孔徑µm |
| 42.5 | 2.5 | 90 | 16 |
| 55 | 2.5 | 110 | 16 |
| 70 | 2.5 | 125 | 16 |
| 90 | 2.5 | 150 | 16 |
| 110 | 2.5 | 185 | 16 |
| 125 | 2.5 | – | |
| 150 | 2.5 | – | |
| 185 | 2.5 | – | |
| 240 | 2.5 | – | |
| 320 | 2.5 | – | |
定量濾紙 Grade NO.44 – Quantitative Filter Papers | |
| Whatman® | |
| Qualitative Filter Paper | |
| ●孔徑3um，厚度0.18mm | |
| ●與NO.42有著同樣細微的孔徑，但厚度較薄，因此其每單位的含灰量 | |
| 將少了許多，而且過濾速度也較快 | |
| ●每盒(bx)100張 | |
| 直徑 mm | 孔徑µm |
| 70 | 3 |
| 90 | 3 |
| 110 | 3 |
| 125 | 3 |
| 150 | 3 |
| 185 | 3 |