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項(xiàng)目Item 分析純 化學(xué)純
(AR) (CP)
含量(C6H12)Assay,% ≥ 99.5 99.0
密度(20℃)Density,g/mL 0.778-0.779 0.776-0.780
結(jié)晶點(diǎn)Crystallizing point℃ ≥ 5.5 5.0
蒸發(fā)殘?jiān)麰vaporation residue,% ≤ 0.002 0.005
苯(C0H6)Benzene,% ≤ 0.05 0.1
環(huán)己烯(C6H10) ≤ 0.05 0.1
易炭化物質(zhì)Readity carbonizable substances 合格 合格
水分(H2O)Water,% ≤ 0.02 0.05
項(xiàng)目 優(yōu)級純
(GR)
外觀Appearance 透明液體
紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity ≥99.8% (GC)
色度Color scale
<10 APHA >水分Water
<0.01 % >蒸發(fā)殘?jiān)黂esidue after evaporation
<0.001 % >
項(xiàng)目 ACS級
含量Assay ≥99.0%
色度,黑曾單位Color(APHA) ≤10
蒸發(fā)殘?jiān)黂esidue after evaporation ≤0.002%
易炭化物質(zhì)Substances darkened by
sulfuric acid Passes test
水分Water ≤0.02%
項(xiàng)目 農(nóng)殘級
(for residue analysis)
外觀Appearance 透明液體
色度Color scale
<10 APHA >純度Purity ≥99.9% (GC)
水分Water
<0.02 % (coulometric) >蒸發(fā)殘?jiān)黂esidue after evaporation
<2 ppm >電子捕獲雜質(zhì) Electron Capturing impurities: passes test
氮和磷雜質(zhì)Nitrogen and Phosphorus impurities: passes test
火焰離子化雜質(zhì)Flame Ionisable impurities: passes test
GC/ECD(檢測范圍在1,2,4-三氯苯峰與癸氯聯(lián)峰之間,單個峰以林丹為標(biāo)準(zhǔn)作參比)≤3pg/ml
GC/PND(檢測范圍在阿特拉津至蠅毒磷峰之間,單個峰以乙基對硫磷為標(biāo)準(zhǔn)作參比)≤3pg/ml
(注:農(nóng)殘級適合HPLC、GC、農(nóng)殘分析、光譜分析、有機(jī)合成等多用途高純?nèi)軇?br />
項(xiàng)目 色譜純
(HPLC)
外觀Appearance 透明液體
色度Color scale
<10 APHA >純度Purity ≥99.9% (GC)
水分Water
<0.01 % >酸度Acidity (CH3COOH)
<0.0002 mg/g >蒸發(fā)殘?jiān)黂esidue after evaporation
<0.0002 % >紫外吸光度UV: (1 cm cell vs water)
200 nm A:
<0.301 >210 nm A:
<0.201 >220 nm A:
<0.097 >230 nm A:
<0.018 >240 nm A:
<0.004 >250 nm A:
<0.004 >(0.2 微米過濾)
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