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whatman空气监测用滤膜/whatman 空氣採樣濾紙实物图1882047 whatman pm 2．5 /epm2000 glass microfiber 上海摩速科学器材有限公司-凯发官方首页
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产品名称:
whatman空气监测用滤膜/whatman 空氣採樣濾紙实物图1882047
产品型号:
whatman pm 2．5 /epm2000 glass microfiber
产品展商:
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简单介绍
whatman空气监测用滤膜/whatman 空氣採樣濾紙实物图1882047pm 2．5空气监测用滤膜是一种新型、高纯的ptfe滤膜，辅以能耐多重化学性能的聚丙烯支撑环，用来做环境空气检测。 epm2000 glass microfiber filter設計用於大流量空氣採樣器 ● 4.7cm 100pcs/box ● 8”*10” 100pcs/box
whatman空气监测用滤膜/whatman 空氣採樣濾紙实物图1882047的详细介绍
whatman空气监测用滤膜/whatman 空氣採樣濾紙实物图1882047pm 2．5空气监测用滤膜是一种新型、高纯的ptfe滤膜，辅以能耐多重化学性能的聚丙烯支撑环，用来做环境空气检测。
＊whatman 空氣採樣濾紙
epm2000 glass microfiber filter設計用於大流量空氣採樣器 |
| ● |
4.7cm 100pcs/box |
| ● |
8”*10” 100pcs/box |
|
|
| property |
test method |
unit of measure |
value |
range |
| filter media |
n/a |
n/a |
glass fiber |
n/a |
| filter thickness |
astm d 645-92 |
mm |
0.45 |
± 15 |
| filter dimension |
micrometer |
inches |
8 x 10 |
± 1/16 |
| particle retention (0.3 μm) |
astm d 2986-91 |
% |
99.95 |
minimum |
| flow rate |
epa rfm |
m3/min |
1.52 |
± 0.18 |
| tensile strength |
astm d 828-93 |
g/15 mm |
500 |
minimum |
| brittleness |
test for fiber filters |
n/a |
no crack larger than 1 inch |
maximum |
| integrity |
test for fiber filters |
mg |
2.5 |
maximum |
| weight loss |
emsl/rtp-sop-qad-522 |
%/filter |
0.75 |
maximum |
| lead content |
epa rfm (40 crf 50) |
μg/filter |
0.25 |
maximum |
| alkalinity |
epa/600/r-94/038b, section 2.12 |
μeq/g of filter |
25 |
maximum |