Name | Specifications | Packing | Price | Delivery |
Trichloroethylene | AR | 500ml | RMB 61.6 | Consulting service |
Trichloroethylene | ACS,99.5% | 500ml | RMB 93.5 | Consulting service |
Trichloroethylene | 1000μg/ml,溶劑:甲醇 | 2ml | RMB 159.5 | Consulting service |
Trichloroethylene | GR,>99.5%(GC) | 500ml | RMB 104.5 | Consulting service |
Trichloroethylene | 光譜純 | 500ml | RMB 217.8 | Consulting service |
ACS級(jí)
項(xiàng)目名稱(chēng) ACS Grade
含量(CHClCCl2)Assay ≥99.5%
色度(黑曾單位)Color(APHA) ≤10
蒸發(fā)殘?jiān)黂esidue after evaporateion ≤0.001%
可滴定酸Titrable acid ≤0.0001meq/g
可滴定堿Titrable base ≤0.0003meq/g
水分(H2O)Water ≤0.02%
重金屬(以Pb計(jì))Heavy metals ≤1ppm
游離鹵素Free halogens Passes test
外觀Appearance 白色至米黃色粉末
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥98.0% (GC)
熔點(diǎn)Melting point 235°C - 240°C
水溶解試驗(yàn)solubility in water 合格
水分water ≤3%(K.F)
比旋光度Specific rotation [a]20/D +24.0°~ +27.0°(C=2, 5mol/L HCl)
品級(jí)Grade 光譜純
(spectrophotometric grade)
外觀Appearance 無(wú)色液體
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥99.5% (GC)
λ H2O reference
紫外吸光值UV Absorbance
400nm ≤0.06
350nm ≤0.06
325nm ≤0.08
300nm ≤0.10
278nm ≤1.0
水分Water ≤0.02 % (by Karl Fischer)
蒸發(fā)殘?jiān)黂esidue on Evaporation ≤0.001 %
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