BB/T 3-1167-78
项 目Item 分析纯 化学纯
(AR) (CP)
含量(C3H8O)Assay,% ≥99.5 98.5
沸点Boiling Piont,℃ 82.5±1 82.5±1
与水混合试验Miscibility with water 合格 合格
不挥发物Novolative,% ≤0.001 0.004
水份(H2O)Water,% ≤0.2 0.3
游离酸(以CH3CH2COOH计)Free acids,% ≤0.002 0.006
游离碱(以NH3计)Free alkali,% ≤0.001 0.004
醛与酮Aldehydes and ketones 合格 合格
还原高锰酸钾物质Potassium perman-ganate
reducing substances 合格 合格
硫酸盐试验Substances darkened
by sulfuric acid 合格 合格
项目 优级纯
(GR)
外观Appearance 透明液体
红外光谱鉴别Infrared spectrometry 符合
纯度Purity ≥99.9% (GC)
色度Color scale <10 APHA
水分Water <0.05 % (Coulometric)
重金属Heavy metals (as Pb) <5 ppm
酸度Acidity <0.02 %
蒸发残渣Residue after evaporation <0.0005 %
ACS级
项目名称Item ACS Grade
含量(CH3CHOHCH3)Assay 99.5%
水溶解试验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
蒸发残渣Residue after evaporation ≤0.001%
水分(H2O)Water ≤0.2%
可滴定酸碱Titrable Acid or base ≤0.0001meq/g
项目 农残级
(for residue analysis )
外观Appearance 透明液体
色度Color scale <10 APHA
纯度Purity >99.9% (GC)
紫外光谱UV Absorbance:
吸收波长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
蒸发残渣Residue <1 mg/L
水分Water <0.06%
（注农残级适合HPLC、GC、农残分析、光谱分析、有机合成等多用途高纯溶剂）
项目 色谱级
(HPLC)
外观Appearance 透明液体
色度Color scale <10 APHA
纯度Purity >99.9 % (GC)
酸Acidity <0.0001 meq/g
碱Alkalinity <0.0001 meq/g
蒸发残渣Residue 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级
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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