項目 分析純
(AR)
純度Purity ≥99.5% (GC)
比重Specific gravity (20/20°C) 0.945~0.950
酸度Acidity(以H+計)/(mmol/100g) ≤0.1
堿度(以O(shè)H-計)/(mmol/100g) ≤0.1
色度Color scale/黑曾單位 ≤10
水分water ≤0.1%
鐵Iron ≤0.0005%
蒸發(fā)殘渣Evaporation residue ≤0.005%
項目 優(yōu)級純
(GR)
外觀Appearance 清澈、無懸浮物
純度Purity ≥99.9% (GC)
色度Color scale(鉑-鈷色號)Hazen ≤10
餾程(1.013×105pa餾出1-95%體積)℃ ≤2.0
水份water ≤500ppm
鐵(Fe) ≤0.05ppm
酸度Acidity(以甲酸計) ≤10.0 ppm
堿度(以二甲胺計) ≤5.0 ppm
甲醇 ≤20.0ppm
電導(dǎo)率(25℃)μs/cm ≤2.0
PH值(25℃,20%水溶液) 6.5-8.0
折光率Refractive index 1.4275~1.4290
品級Grade ACS光譜級
(ACS spectrophotometric grade, ≥99.8%)
含量Assay[HCON(CH3)CH2] ≥99.8%
色度Color(APHA) 15
蒸發(fā)殘渣Residue after evaporation ≤0.005%
可滴定堿Titrable base ≤0.003meq/g
可滴定酸Titrable acid ≤0.005meq/g
游離鹵素Free halogens Passes test
水分(H2O)Water ≤0.15%
UV Absorbance 400nm ≤0.01
UV Absorbance 340nm ≤0.01
UV Absorbance 310nm ≤0.05
UV Absorbance 295nm ≤0.10
UV Absorbance 275nm ≤0.30
UV Absorbance 270nm ≤1.0
項目 農(nóng)殘級
(for residue analysis)
純度Purity ≥99.9% (GC)
非揮發(fā)性物質(zhì)non-volatile matter ≤0.001%
水分water ≤0.05% (Karl Fischer)
農(nóng)殘分析suitability for residue analysis ≤5 ng/L
紅外(IR)檢測 合格
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
(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?/p>
項目 色譜純
(HPLC)
純度Purity ≥99.9% (GC)
紫外吸光度UV Absorbance:
最大波長吸光度Wavelength (nm) Max. Absorbance
268 1.000
275 0.300
300 0.050
350 0.005
400 0.005
雜質(zhì)GC Impurities Eluting Before Solvent <0.5mg/L
水分Water <0.03%
備注:色譜純用于 HPLC, GC, 光譜, 組合化學(xué)和非水滴定, 充氮包裝
品級Grade 生物技術(shù)級
(biotech. grade, ≥99.9%)
外觀Appearance 液體
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥99.9% (GC)
UV Absorbance 400nm ≤0.01
UV Absorbance 340nm ≤0.01
UV Absorbance 310nm ≤0.05
UV Absorbance 295nm ≤0.10
UV Absorbance 275nm ≤0.30
UV Absorbance 270nm ≤1.0
水分Water ≤0.005 % (by Karl Fischer)
蒸發(fā)殘渣Residue on Evaporation ≤0.0005 %
游離胺Free Amines (as Dimethylamine) ≤8 ppm
可滴定酸Titratable acid ≤0.0005 meq
可滴定堿Titratable base ≤0.003 meq
品級Grade 分子生物學(xué)級
(for molecular biology, ≥99.9%)
外觀Appearance 無色液體
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥99.9 % (GC)
水分Water (by Karl Fischer) ≤0.5 %
顯色底物溶劑實驗suitability pass test
( suitable for solvent for chromogenic substrates (X-Gal, etc.) used in molecular biology applications.)
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