Porapak 系列填料
Porapak多孔聚合物是具有均勻孔隙率、表面積和顆粒大小的球形珠子,有助于確保分析程序的精度和準(zhǔn)確性。
對(duì)于基于檢查氣體、酸、胺、低碳數(shù)的有機(jī)物和水的應(yīng)用,多孔聚合物是*好的吸附劑。它們基本上是聚二乙烯基苯(DVB)的共聚物,本質(zhì)上是極其多孔的,從中孔到微孔都有,非常適合用于氣相色譜法。一種由二乙烯基苯和乙基乙烯基苯制成的多孔聚合物稱為PorapakTM Q,*適合于分離碳?xì)浠衔铩⑺械挠袡C(jī)分析物和氮氧化物。
Type | Surface Area (m2/gm) | Density (g/cm3) | Maximum Temp. (°C) |
P | 100-200 | 0.27 | 250 |
Q | 500-600 | 0.34 | 250 |
R | 450-600 | 0.3 | 250 |
S | 300-450 | 0.35 | 250 |
N | 225-350 | 0.38 | 190 |
T | 250-350 | 0.43 | 190 |
表1:Porapak多孔聚合物的典型性質(zhì)
訂貨信息:
Porapak 系列填料
Porapak Porous Packings | Particle Size (Mesh) |
訂貨號(hào)50-80目 | 訂貨號(hào)80-100目 | 訂貨號(hào)100-120目 |
N | 27047 | 27048 | 27049 |
P | 27053 | 27054 | 27055 |
Q | 27059 | 27060 | 27061 |
R | 27065 | 27066 | 27067 |
S | 27071 | 27072 | 27073 |
T | 27077 | 27078 | 27079 |
PS | 27083 | 27084 | 27085 |
QS | 27089 | 27090 | 27091 |
Description
Porapak N
Vinyl pyrollidone
Maximum Operating Temperature: 190C
Porapak P
Styrene divinylbenzene
Maximum Operating Temperature: 250C
Porapak Q
Ethylvinylbenzene divinylbenzene
Maximum Operating Temperature: 250C
Porapak R
Vinyl pyrollidone
Maximum Operating Temperature: 250C
Porapak S
Vinyl pyridine
Maximum Operating Temperature: 250C
Porapak T
Ethyleneglycol dimethacrylate
Maximum Operating Temperature: 190C
Porapak PS
Silanized styrene divinylbenzene
Maximum Operating Temperature: 250C
Porapak QS
Silanized ethylvinylbenzene divinylbenzene
Maximum Operating Temperature: 250C