品牌
其他厂商性质
所在地
Grade 1：11μm 在日常过滤中最经常使用的，中等保留力和流速。非常广泛地用于实验室应用，澄清液体。典型地用于沉淀物的定量分析分离，如硫酸铅、草酸钙和碳酸钙。在农业方面，它用于土壤分析和种子测试；在食品方面，Grade 1滤纸常用于相关液体和抽离液体分离固体食品的常规方法。并且广泛用于教学中简单的定性分析分离。在空气污染监测方面，有圆片和卷片可供使用，从气流中收集大气灰尘然后用光度计测量；在气体探测中滤纸用发色剂浸湿，用光反射来定量。
Grade 2：8μm 比Grade1保留力略强，但过滤时间却相对长些（即过滤速度相对慢些），吸附性比Grade 1强，已折叠好的为Grade 2V。除8μm大小颗粒的普通过滤处，它额外的吸附性能也派上了用场，例如，在植物生长实验中截留土壤营养，也用于监测空气和土壤测试中的特殊污染物。
Grade 3：6μm厚度是Grade 1的两倍。负载力好，颗粒保留较小。由于湿强度好适合放在布氏漏斗中使用。其高吸附性能可用作为样品的载体。
Grade 4：20-25μm非常适用于分析中常规生物液体和有机浸出物澄清的快速过滤，空气污染监测中只要求高流速但对细小颗粒收集要求不严的采样。
Grade 5：2.5μm 的定性滤纸，用于收集小颗粒，流速漫。适用化学分析、澄清悬浮物和水泥土分析。
Grade 6：3μm 流速是Grade 5的两倍，但颗粒保留度相等。常被用于锅炉水分析。
Grade 591：7-12μm 厚滤纸，负载力高，用于中等粗沉淀物的快速过滤，并具有高吸附性能和高湿强度。 Grade 520a：15-18μm 薄滤纸，有很好的湿强度和非常高的流速。通常用于技术应用方面，如粘性液体和乳状液体（如甜汁、饮料和糖浆、松脂溶液、石油或植物提取物）。已折叠好的为520 1/2。
Grade 595：4-7μm 普通的薄滤纸，中等流速，中等颗粒保留力。应用于工业中的许多常规分析，如分离食物提取物中颗粒、制备样品，或者过滤固体环境中可消化样品，如ICP/AAS分析。已折叠好的为595 1/2 Grade 597：4-7μm 中等流速，中等颗粒保留度。用于不同工业中大量日常分析应用中，如食品测试（如脂肪含量的测定），或从饲料中去除二氧化碳和混浊物（如啤酒分析）。已折叠好的为597 1/2
Grade 508：8-7μm 厚滤纸，负载力高，对应中等保留力有中等流速和快流速两种流速。 Grade 0048 由纤维素/人工制品制成的纤维纸。用于牛奶分析和婴儿食物（人工奶）中纤维的测定。
Grade 602h：2μm 收集细小颗粒、去除细小沉淀物的紧密滤纸。用于样品制备，如测定饮料行业中残留糖份、酸性光谱、折射分析和HPLC。 订货信息-定性标准滤纸直径（mm）Grade1Grade 2Grade 3Grade 4Grade 5Grade 6数量/包装*一次性购买带橡胶塞过滤杯底座-货号1600-900 订货信息-定性标准滤纸直径（mm）Grade595Grade 597Grade 598Grade 602hGrade 0048数量/包装Wet Strengthened Grades湿强定性滤纸湿强定性滤纸含有少量的化学稳定树脂，因而增强了湿强度。这不会因此引入任可明显的杂质到滤液中。但因树脂含氮，这些级别的滤纸不能用于凯氏定氮测定。 Grade 91：10μm 普通皱纹纸。广泛用于甘蔗的蔗糖（含 量）分析和药厂实验室常规样品过滤。 Grade 113：30μm 高载力。与其他滤纸相比厚度强度流速的皱纹纸。是过滤粗制品或凝胶状沉淀物的理想产品。已折叠好的为Grade 113V。 Grade 114：25μm 厚度是Grade 113的一半。但强度非常高的滤纸。表面光洁。易于沉淀物的收集。适合粗制品或凝胶状沉淀物的过滤。已折叠好的为Grade 114V。 Grade521 bll：15-19μm 有很高湿强度的厚滤纸，流速非常快。已折叠好的为Grade521 bll 1/2。 Grade2294：8-15μm 高湿强度而非常厚的滤纸，流速非常快，粗糙颗粒的保留力中等。 Grade2589：6-12μm 高湿强度，中等保留度。中至高流速。 Grade2589 c：4-8μm 高湿强度慢至中等流速的厚滤纸。细小颗粒的保留度很高。 Grade2589 d：2-6μm 湿强度高的非常厚滤纸。慢至中等的流速和非常细小沉淀物的保留度。 Grade2411：9-11μm 中等保留力快流速高湿强度的滤纸。通常作为过滤中的保护用纸。 学生级/Grade93 为教学而设计的，这种滤纸的流速和保留力介于1号和4号纸之间。学生级截留那些大多数经常在学生实验中遇到的絮凝状的中等沉淀物。
| Typical Properties - Qualitative Standard Filter Grades | ||||||
| Grade | Description | Particle retention in liquid (µm) | Filtration speed (approx.) herzberg (s) | Air flow (s/100 ml/in2) | Typical thickness (µm) | Basis weight (g/m2) |
| 1 | Medium flow | 11* | 150 | 10.5 | 180 | 88 |
| 2 | Medium flow | 8* | 240 | 21 | 190 | 103 |
| 3 | Medium flow, thick | 6* | 325 | 26 | 390 | 187 |
| 4 | Very fast | 20 to 25* | 37 | 3.7 | 205 | 96 |
| 5 | Slow | 2.5* | 1420 | 94 | 200 | 98 |
| 6 | Medium to slow | 3* | 715 | 35 | 180 | 105 |
| 591 | Medium fast, thick | 7 to 12† | 45 | 5.9 | 350 | 161 |
| 595 | Medium fast, thin | 4 to 7† | 80 | - | 150 | 68 |
| 597 | Medium fast | 4 to 7† | 140 | - | 180 | 85 |
| 598 | Medium fast, thick | 8 to 10† | 50 | - | 320 | 140 |
| 602 h | Slow, dense | < 2† | 375 | - | 160 | 84 |
| * Particle retention rating at 98% efficiency † Approximate values | ||||||
| Ordering Information订货信息 - Qualitative Filter Papers - Standard Grades | ||
| Catalog Number | Description | |
| ||
| 1001-6508 | Grade 1 circles, 10 mm, 500/pk | |
| 1001-0155 | Grade 1 circles, 15 mm, 500/pk | |
| 1001-018 | Grade 1 circles, 18 mm, 400/pk | |
| 1001-020 | Grade 1 circles, 20 mm, 400/pk | |
| 1001-325 | Grade 1 circles, 25 mm, 100/pk | |
| 1001-025 | Grade 1 circles, 25 mm, 400/pk | |
| 1001-329 | Grade 1 circles, 30 mm, 100/pk | |
| 1001-030 | Grade 1 circles, 30 mm, 400/pk | |
| 1001-032 | Grade 1 circles, 32 mm, 100/pk | |
| 1001-042 | Grade 1 circles, 42.5 mm, 100/pk | |
| 1001-047 | Grade 1 circles, 47 mm, 100/pk | |
| 1001-055 | Grade 1 circles, 55 mm, 100/pk | |
| 1001-070 | Grade 1 circles, 70 mm, 100/pk | |
| 1001-085 | Grade 1 circles, 85 mm, 100/pk | |
| 1001-090 | Grade 1 circles, 90 mm, 100/pk | |
| 1001-110 | Grade 1 circles, 110 mm, 100/pk | |
| 1001-125 | Grade 1 circles, 125 mm, 100/pk | |
| 1001-150 | Grade 1 circles, 150 mm, 100/pk | |
| 1001-185 | Grade 1 circles, 185 mm, 100/pk | |
| 1001-240 | Grade 1 circles, 240 mm, 100/pk | |
| 1001-270 | Grade 1 circles, 270 mm, 100/pk | |
| 1001-320 | Grade 1 circles, 320 mm, 100/pk | |
| 1001-385 | Grade 1 circles, 385 mm, 100/pk | |
| 1001-400 | Grade 1 circles, 400 mm, 100/pk | |
| 1001-500 | Grade 1 circles, 500 mm, 100/pk | |
| 1001-813 | Grade 1 sheets, 26 x 31 mm, 1000/pk | |
| 1001-824 | Grade 1 sheets, 75 x 100 mm, 500/pk | |
| 1001-917 | Grade 1 sheets, 460 x 570 mm, 100/pk | |
| 1001-918 | Grade 1 sheets, 460 x 570 mm, 500/pk | |
| 1001-931 | Grade 1 sheets, 580 x 680 mm, 100/pk | |
| 1001-932 | Grade 1 sheets, 580 x 680 mm, 500/pk | |
| 1001-929 | Grade 1 sheets, 600 x 600 mm, 100/pk | |
| 1600-001 | FilterCup 70 (requires FilterCup stem, catalog number 1600-900), 25/pk | |
| ||
| 1002-325 | Grade 2 circles, 25 mm, 100/pk | |
| 1002-042 | Grade 2 circles, 42.5 mm, 100/pk | |
| 1002-047 | Grade 2 circles, 47 mm, 100/pk | |
| 1002-055 | Grade 2 circles, 55 mm, 100/pk | |
| 1002-070 | Grade 2 circles, 70 mm, 100/pk | |
| 1002-090 | Grade 2 circles, 90 mm, 100/pk | |
| 1002-094 | Grade 2 circles, 90 mm, 1000/pk | |
| 1002-110 | Grade 2 circles, 110mm, 100/pk | |
| 1002-125 | Grade 2 circles, 125 mm, 100/pk | |
| 1002-150 | Grade 2 circles, 150 mm, 100/pk | |
| 1002-185 | Grade 2 circles, 185 mm, 100/pk | |
| 1002-240 | Grade 2 circles, 240 mm, 100/pk | |
| 1002-270 | Grade 2 circles, 270 mm, 100/pk | |
| 1002-320 | Grade 2 circles, 320 mm, 100/pk | |
| 1002-385 | Grade 2 circles, 385 mm, 100/pk | |
| 1002-500 | Grade 2 circles, 500 mm, 100/pk | |
| 1002-6691 | Grade 2 sheets, 430 x 680 mm, 500/pk | |
| 1002-917 | Grade 2 sheets, 460 x 570 mm, 100/pk | |
| 1002-931 | Grade 2 sheets, 580 x 680 mm, 100/pk | |
| 1002-929 | Grade 2 sheets, 600 x 600 mm, 100/pk | |
| ||
| 1003-323 | Grade 3 circles, 23 mm, 100/pk | |
| 1003-042 | Grade 3 circles, 42.5 mm, 100/pk | |
| 1003-055 | Grade 3 circles, 55 mm, 100/pk | |
| 1003-070 | Grade 3 circles, 70 mm, 100/pk | |
| 1003-090 | Grade 3 circles, 90 mm, 100/pk | |
| 1003-110 | Grade 3 circles, 110 mm, 100/pk | |
| 1003-125 | Grade 3 circles, 125 mm, 100/pk | |
| 1003-150 | Grade 3 circles, 150 mm, 100/pk | |
| 1003-185 | Grade 3 circles, 185 mm, 100/pk | |
| 1003-240 | Grade 3 circles, 240 mm, 100/pk | |
| 1003-270 | Grade 3 circles, 270 mm, 100/pk | |
| 1003-320 | Grade 3 circles, 320 mm, 100/pk | |
| 1003-500 | Grade 3 circles, 500 mm, 100/pk | |
| 1003-433 | Grade 3 sheets, 305 x 457 mm, 100/pk | |
| 1003-917 | Grade 3 sheets, 460 x 570 mm, 100/pk | |
| 1003-930 | Grade 3 sheets, 580 x 580 mm, 100/pk | |
| 1600-003 | FilterCup 70 (requires FilterCup stem, catalog number 1600-900), 25/pk | |
| ||
| 1004-325 | Grade 4 circles, 25 mm, 100/pk | |
| 1004-027 | Grade 4 circles, 27 mm, 400/pk | |
| 1004-042 | Grade 4 circles, 42.5 mm, 100/pk | |
| 1004-047 | Grade 4 circles, 47 mm, 100/pk | |
| 1004-050 | Grade 4 circles, 50 mm, 100/pk | |
| 1004-055 | Grade 4 circles, 55 mm, 100/pk | |
| 1004-070 | Grade 4 circles, 70 mm, 100/pk | |
| 1004-090 | Grade 4 circles, 90 mm, 100/pk | |
| 1004-110 | Grade 4 circles, 110 mm, 100/pk | |
| 1004-125 | Grade 4 circles, 125 mm, 100/pk | |
| 1004-150 | Grade 4 circles, 150 mm, 100/pk | |
| 1004-185 | Grade 4 circles,185 mm, 100/pk | |
| 1004-240 | Grade 4 circles, 240 mm, 100/pk | |
| 1004-270 | Grade 4 circles, 270 mm, 100/pk | |
| 1004-320 | Grade 4 circles, 320 mm, 100/pk | |
| 1004-400 | Grade 4 circles, 400 mm, 100/pk | |
| 1004-912 | Grade 4 sheets, 130 x 190 mm, 500/pk | |
| 1004-911 | Grade 4 sheets, 140 x 190 mm, 500/pk | |
| 1004-922 | Grade 4 sheets, 250 x 355 mm, 100/pk | |
| 1004-917 | Grade 4 sheets, 460 x 570 mm, 100/pk | |
| 1004-930 | Grade 4 sheets, 580 x 580 mm, 100/pk | |
| ||
| 1005-325 | Grade 5 circles, 25 mm, 100/pk | |
| 1005-042 | Grade 5 circles, 42.5 mm, 100/pk | |
| 1005-047 | Grade 5 circles, 47 mm, 100/pk | |
| 1005-055 | Grade 5 circles, 55 mm, 100/pk | |
| 1005-070 | Grade 5 circles, 70 mm, 100/pk | |
| 1005-090 | Grade 5 circles, 90 mm, 100/pk | |
| 1005-110 | Grade 5 circles, 110 mm, 100/pk | |
| 1005-125 | Grade 5 circles, 125 mm, 100/pk | |
| 1005-150 | Grade 5 circles, 150 mm, 100/pk | |
| 1005-185 | Grade 5 circles, 185 mm, 100/pk | |
| 1005-240 | Grade 5 circles, 240 mm, 100/pk | |
| 1005-320 | Grade 5 circles, 320 mm, 100/pk | |
| 1005-550 | Grade 5 circles, 550 mm, 100/pk | |
| ||
| 1006-042 | Grade 6 circles, 42.5 mm, 100/pk | |
| 1006-070 | Grade 6 circles, 70 mm, 100/pk | |
| 1006-090 | Grade 6 circles, 90 mm, 100/pk | |
| 1006-110 | Grade 6 circles, 110 mm, 100/pk | |
| 1006-125 | Grade 6 circles, 125 mm, 100/pk | |
| 1006-150 | Grade 6 circles, 150 mm, 100/pk | |
| 1006-185 | Grade 6 circles, 185 mm, 100/pk | |
| 1006-240 | Grade 6 circles, 240 mm, 100/pk | |
| ||
| Grade 591 sheets, 580 x 580 mm, 250/pk | ||
| ||
| Grade 595 circles, 110 mm, 100/pk | ||
| Grade 595 circles, 125 mm, 100/pk | ||
| Grade 595 circles, 150 mm, 100/pk | ||
| Grade 595 sheets, 580 x 580 mm, 100/pk | ||
| ||
| Grade 597 circles, 12.7 mm, 1000/pk | ||
| Grade 597 circles, 42.5 mm, 100/pk | ||
| Grade 597 circles, 45 mm, 100/pk | ||
| Grade 597 circles, 55 mm, 100/pk | ||
| Grade 597 circles, 70 mm, 100/pk | ||
| Grade 597 circles, 90 mm, 100/pk | ||
| Grade 597 circles, 110 mm, 100/pk | ||
| Grade 597 circles, 125 mm, 100/pk | ||
| Grade 597 circles, 150 mm, 100/pk | ||
| Grade 597 circles, 185 mm, 100/pk | ||
| Grade 597 circles, 240 mm, 100/pk | ||
| Grade 597 circles, 320 mm, 100/pk | ||
| Grade 597 sheets, 580 x 580 mm, 100/pk | ||
| Grade 597 sheets, 580 x 580 mm, 500/pk | ||
| ||
| Grade 598 circles, 90 mm, 100/pk | ||
| Grade 598 sheets, 580 x 580 mm, 250/pk | ||
| ||
| Grade 602 h circles, 90 mm, 100/pk | ||
| Grade 602 h circles, 125 mm, 100/pk | ||
| Grade 602 h circles, 150 mm, 100/pk | ||
| Grade 602 h circles, 185 mm, 100/pk | ||
| Grade 602 h circles, 240 mm, 100/pk | ||
| ||
| 1600-900 | FilterCup stem, 1/pk | |
| Supporting Documentation - Qualitative Filter Papers - Standard Grades |
| Document Name |
 Filtration Simplified |
| Qualitative Filter Paper Quick Pick Reference Chart |
| Typical Properties of Cellulose Filters |
| Typical Properties of Wet Strengthened Filters |
