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| 上海豫東電子科技有限公司
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PM 2.5空氣監(jiān)測(cè)用濾膜PTFE濾膜按EPA PM 2.5方法的40CFRPart 50的要求下生產(chǎn)出來(lái)的,生產(chǎn)商必須按照以下列出的測(cè)試來(lái)做。任何生產(chǎn),銷(xiāo)售或提供銷(xiāo)售專(zhuān)門(mén)用于PM2.5 參照方法的濾膜商家,必須證明每批售出的濾膜都有一定數(shù)量經(jīng)過(guò)下列測(cè)試并且90%以上符合每一個(gè)測(cè)試項(xiàng)目:松散、表面顆粒污染,PM 2.5采樣器空氣監(jiān)測(cè)用濾膜
PM 2.5采樣器空氣監(jiān)測(cè)用濾膜
PTFE濾膜按EPA PM 2.5方法的40CFR Part 50的要求下生產(chǎn)出來(lái)的,生產(chǎn)商必須按照以下列出的測(cè)試來(lái)做。
任何生產(chǎn),銷(xiāo)售或提供銷(xiāo)售專(zhuān)門(mén)用于PM2.5 參照方法的濾膜商家,必須證明每批售出的濾膜都有一定數(shù)量經(jīng)過(guò)下列測(cè)試并且90%以上符合每一個(gè)測(cè)試項(xiàng)目:
任何生產(chǎn),銷(xiāo)售或提供銷(xiāo)售專(zhuān)門(mén)用于PM2.5參照方法的濾膜商家,必須證明每批受、售出的濾膜都至少有50個(gè)經(jīng)過(guò)下列測(cè)試并且90%以上符合每一個(gè)測(cè)試項(xiàng)目:
濾膜類(lèi)型、濾膜直徑、濾膜厚度、濾膜孔徑、支撐環(huán)的寬度、支撐環(huán)的厚度(總的)、zui高壓力點(diǎn)(清潔空氣)、zui高濕氣點(diǎn)、收集率、堿性。
特殊要求
這些包括XRF微量金屬分析和肉眼缺陷檢查,例如:小孔、支撐環(huán)分離、渣滓或閃紋、松動(dòng)、變色、不均勻?yàn)V膜或其他明顯的濾膜缺陷。
據(jù)此申明,每批生產(chǎn)并銷(xiāo)售的于PM2.5 參照方法的濾膜,符合EPA接受標(biāo)準(zhǔn)。
| 屬性 | 測(cè)試方法 | 測(cè)量單位 | 值 | 范圍 |
| 濾膜材質(zhì) | n/a | n/a | PTFE | - |
| 濾膜厚度 | μm | μm | 40 | ±10 |
| 濾膜直徑 | mm | 模具 | 46.2 | 2.5 |
| 濾膜孔徑 | ASTM F 316-94 | μm | 2 | zui大 |
| 支撐環(huán)材質(zhì) | n/a | n/a | 聚丙烯 | - |
| 支撐環(huán)厚度 | mm | mm | 0.38 | ±0.04 |
| 支撐環(huán)寬度 | mm | 模具 | 3.68 | ±0.00-0.51 |
| 顆粒保留率(0.3μm) | ASTM D 2986-91 | % | 99.7 | zui小 |
| Pressure Drop(0.3μm)@16.67L/min | ASTM D 2986-91 | cm H2O | 30 | zui大 |
| 堿性 | Section 2.12 EPA/600/R-94/038b | μeq/g of filter | <25 | zui大 |
| Temperture Wt.Loss Stability | 同上 | μg | <20 | 平均 |
| Drop Test Wt.Stability | 同上 | μg | <20 | 平均 |
| Moisture Wt.Gain Stability | 同上 | μg | <10 | 平均 |
| 品名 | 規(guī)格 | 包裝 |
| PM2.5空氣監(jiān)測(cè)用濾膜 | 尺寸:46.2m,帶聚丙烯支撐環(huán)和順序編的PTFE膜 | 50張/包 |
| 熒光素X光檢測(cè)的zui高痕量元素濃度 Maximum Trace Element Concentration by X-Ray Fluoresence | |||||||||||
| Ion | ng/cm2 | Ion | ng/cm2 | Ion | ng/cm2 | Ion | ng/cm2 | Ion | ng/cm2 | Ion | ng/cm2 |
| Al | 94.4 | Sc | 7.2 | Ni | 3 | Br | 2 | Pd | 9.6 | Cs | 25 |
| Si | 32.8 | Ti | 13.8 | Cu | 2.8 | Rb | 2 | Ag | 9.6 | Ba | 32.2 |
| P | 22.6 | V | 4.8 | Zn | 2.2 | Sr | 2.2 | Cd | 10.8 | La | 87.6 |
| S | 13.4 | Cr | 2.2 | Ga | 1.8 | Y | 14.6 | Sn | 15.2 | W | 5 |
| Cl | 9.4 | Mn | 2.2 | Ge | 3 | Zr | 13.2 | Sb | 14.4 | Au | 4.4 |
| K | 5.6 | Fe | 5.8 | As | 2.8 | Mo | 11.6 | Te | 16.2 | Hg | 4.4 |
| Ca | 8.2 | Co | 4 | Se | 1.6 | Rh | 9.4 | I | 18.6 | Pb | 4.8 |
Statement of Conformance
PTFE Filters for EPA PM 2.5 Reference Method.Under the requirements of 40 CFR Part 50, Appendix L, shown below, the manufacturer must perform the following tests as listed.
Any filter manufacturer or vendor who sells or offers to sell filters specifically identified for use with this PM 2.5 reference method shall certify that the required number of filters from each lot (0.1% or 10, whichever is greater) of filters offered for sale have been tested as specified for the following tests and meet 90% of each of the design and performance specifications:
Any filter manufacturer or vendor who sells or offers to sell filters specifically identified for use with this PM 2.5 reference method shall certify that a minimum number of 50 filters from each lot of filters offered for sale have been tested as specified for the following tests and meet 90% of each of the design and performance specifications:
These include trace metal analysis by XRF and visual inspection for defects such as pinholes, support ring separation, chaff or flashing, loose material, discoloration, filter non-uniformity or any other obvious filter defect.
Whatman hereby states that every manufacturing lot that is offered for sale, and is identified for use with the PM 2.5 reference method, conforms to EPA acceptance criteria.