BB/T 3-1167-78
項(xiàng) 目Item 分析純 化學(xué)純
(AR) (CP)
含量(C3H8O)Assay,% ≥99.5 98.5
沸點(diǎn)Boiling Piont,℃ 82.5±1 82.5±1
與水混合試驗(yàn)Miscibility with water 合格 合格
不揮發(fā)物Novolative,% ≤0.001 0.004
水份(H2O)Water,% ≤0.2 0.3
游離酸(以CH3CH2COOH計(jì))Free acids,% ≤0.002 0.006
游離堿(以NH3計(jì))Free alkali,% ≤0.001 0.004
醛與酮Aldehydes and ketones 合格 合格
還原高錳酸鉀物質(zhì)Potassium perman-ganate
reducing substances 合格 合格
硫酸鹽試驗(yàn)Substances darkened
by sulfuric acid 合格 合格
項(xiàng)目 優(yōu)級純
(GR)
外觀Appearance 透明液體
紅外光譜鑒別Infrared spectrometry 符合
純度Purity ≥99.9% (GC)
色度Color scale <10 APHA
水分Water <0.05 % (Coulometric)
重金屬Heavy metals (as Pb) <5 ppm
酸度Acidity <0.02 %
蒸發(fā)殘?jiān)黂esidue after evaporation <0.0005 %
ACS級
項(xiàng)目名稱Item ACS Grade
含量(CH3CHOHCH3)Assay 99.5%
水溶解試驗(yàn)Clarity of aqueous solution Passes test
羰基化合物Carbonly compounds ≤0.002% propionaldehyde,and 0.002% acetone
色度Color(APHA) 10
蒸發(fā)殘?jiān)黂esidue after evaporation ≤0.001%
水分(H2O)Water ≤0.2%
可滴定酸堿Titrable Acid or base ≤0.0001meq/g
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)
紫外光譜UV Absorbance:
吸收波長Wavelength (nm) Max. Absorbance
225 0.160
250 0.020
300 0.005
400 0.005
ECD Response (as Heptachlor Epoxide) <2 µg/L
折光率Refractive Index at 20°C 1.3772 ±0.0006
蒸發(fā)殘?jiān)黂esidue <1 mg/L
水分Water <0.06%
（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(xiàng)目 色譜級
(HPLC)
外觀Appearance 透明液體
色度Color scale <10 APHA
純度Purity >99.9 % (GC)
酸Acidity <0.0001 meq/g
堿Alkalinity <0.0001 meq/g
蒸發(fā)殘?jiān)黂esidue after evaporation <2 ppm
羰基化合物Carbonyl Compounds <0.002% (as Acetone or Propionaldehyde)
折光率Refractive Index at 20°C 1.3772 ± 0.0010
水分Water <0.10%
紫外吸收UV at 205 nm cut off
220 nm A: <0.2
230 nm A: <0.1
240 nm A: <0.05
250 nm A: <0.01
260 nm A: <0.005
270 nm A: <0.005
(1 cm cell vs HPLC grade water)
USP, EP, BP, JP級
ASSAY (C3H8O) 99.0% --
SPECIFIC GRAVITY @ 25oC 0.783 - 0.787
REFRACTIVE INDEX @ 20oC 1.376 - 1.378
SPECIFIC GRAVITY @ 20oC 0.785 - 0.788
ACIDITY TO PASS TEST
ACIDITY OR ALKALINITY TO PASS TEST
APPEARANCE TO PASS TEST
CLARITY OF SOLUTION TO PASS TEST
ABSORBANCE TO PASS TEST
DISTILLING RANGE 81° - 83°C (Min 94% volume)
NONVOLATILE RESIDUE -- 20 PPM
BENZENE AND RELATED SUBSTANCES TO PASS TEST
PEROXIDES TO PASS TEST
WATER -- 0.5 %
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