◆ 超純色譜乙腈Acetonitrile, Super Pure
Specifications
|
Water by Karl Fischer titration
|
Less than 0.01%
|
|
UV cutoff
|
190nm
|
|
Refractive index (20°C)
|
1.3440 ±0.0006
|
|
Residue
|
Less than one mg/L
|
|
Purity by GC analysis
|
Greater than 99.9%
|
|
Electron capture GC as heptachlor
|
No residue peaks greater than 10 ng/L based on a 1:1petroleum ether extract
|
|
HPLC gradient elution
|
No UV absorbing peak greater than 0.005absorbanceunit (1 cmpathlength) at 215 nm, or 0.001 absorbance unit at 254 nm in a gradient from70%water to 100% acetonitrile on a 15 cm x 4.6 mm columnwith 5 μmHLD C8 packing
|
|
Fluorescence
|
No impurity greater than 0.3 ppb as quinine base at emission of 450 nm after excitation at 350 nm
|
Suggested Applications
For HPLC, gas chromatography, pesticide residue analysis and spectrophotometry.
◆ 多功能色譜乙腈Acetonitrile, ACS/HPLC Certified
Specifications
|
Appearance
|
Clear
|
|
Water by Karl Fischer titration
|
Less than 0.05%
|
|
UV cutoff
|
190nm
|
|
Refractive index (20°C)
|
1.3440 ±0.0006
|
|
Residue
|
Less than three mg/L
|
|
Purity by GC analysis
|
Greater than 99.9%
|
|
Color (APHA)
|
Less than 10
|
|
Titrable acid
|
Less than eight μeq/g
|
|
Titrable base
|
Less than 0.6 μeq/g
|
|
HPLC gradient elution
|
Passes test
|
Suggested Applications
For HPLC, spectrophotometry and applications requiringACS Reagent Grade solvent.
◆ 超純色譜甲醇Methanol, Super Pure
Specifications
|
Water by Karl Fischer titration
|
Less than 0.05%
|
|
UV cutoff
|
205nm
|
|
Refractive index (20°C)
|
1.3284 ±0.0004
|
|
Residue
|
Less than onemg/L
|
|
Purity by GC analysis
|
Greater than 99.9%
|
|
Electron capture GC as heptachlor
|
No residue peaks greater than 10 ng/L
|
|
HPLC gradient elution
|
No UV absorbing peak greater than 0.005absorbanceunit (1 cmpathlength) at 220 nmor 0.001 absorbance unit (1cm path length) at 254 nmin a gradient from 95% water to 100% methanol on a 15 cm x 4.6 mm column with 5 μm HLD C8packing
|
|
Fluorescence
|
No impurity greater than 0.3 ppb as quinine base at emission of 450 nm after excitation at 350 nm
|
Suggested Applications
For HPLC, gas chromatography, pesticide residue analysis and spectrophotometry.
◆ 多功能色譜甲醇Methanol, ACS/HPLC Certified
Specifications
|
Appearance
|
Clear
|
|
Water by Karl Fischer titration
|
Less than 0.05%
|
|
UV cutoff
|
205nm
|
|
Refractive index (20°C)
|
1.3284 ±0.0004 at
|
|
Residue
|
Less than three mg/L
|
|
Purity by GC analysis
|
Greater than 99.9%
|
|
Substances darkened by sulfuric acid
|
Passes test
|
|
Substances reducing permanganate
|
Passes test
|
|
Color (APHA)
|
Less than 10
|
|
Solubility in water
|
Passes test
|
|
Carbonyl compounds
|
Less than 0.001% each of acetone, formaldehyde and acetaldehyde
|
|
Titrable acid
|
Less than 0.3 μeq/g
|
|
Titrable base
|
Less than 0.2 μeq/g
|
|
HPLC gradient elution
|
Passes test
|
Suggested Applications
For HPLC, spectrophotometry and applications requiringACS Reagent Grade solvent.
◆ 超純色譜乙酸乙酯Ethyl acetate, Super Pure
Specifications
|
Water by Karl Fischer titration
|
Less than 0.03%
|
|
UV cutoff
|
256nm
|
|
Refractive index (20°C)
|
1.3723 ±0.0004
|
|
Residue
|
Less than onemg/L
|
|
Purity by GC analysis
|
Greater than 99.5%
|
|
Electron capture GC as heptachlor epoxide
|
No residue peaks greater than 10 ng/L
|
Suggested Applications
For HPLC, gas chromatography, pesticide residue analysis and spectrophotometry.
◆ 多功能色譜乙酸乙酯Ethyl acetate, ACS/HPLC Certified
Specifications
|
Water by Karl Fischer titration
|
Less than 0.03%
|
|
UV cutoff
|
256nm
|
|
Refractive index (20°C)
|
1.3723 ±0.0003
|
|
Residue
|
Less than three mg/L
|
|
Purity by GC analysis
|
Greater than 99.5%
|
|
Color (APHA)
|
Less than 10
|
|
Titrable acid
|
Less than 0.9 μeq/g
|
|
Substances darkened by sulfuric acid
|
Passes test
|
Suggested Applications
For HPLC, spectrophotometry and applications requiringACS Reagent Grade solvent.
◆ 超純色譜正丙醇n-Propyl Alcohol, Super Pure
Specifications
|
Water by Karl Fischer titration
|
Less than 0.05%
|
|
UV cutoff
|
210nm
|
|
Refractive index (20°C)
|
1.3849 ±0.0008 at
|
|
Residue
|
Less than three mg/L
|
|
Purity by GC analysis
|
Greater than 99.5%
|
Suggested Applications
For HPLC, gas chromatography and spectrophotometry.
◆ 多功能色譜異丙醇Isopropyl Alcohol, ACS/HPLC Certified
Specifications
|
Water by Karl Fischer titration
|
Less than 0.06%
|
|
UV cutoff
|
205nm
|
|
Refractive index (20°C)
|
1.3772 ±0.0006
|
|
Residue
|
Less than three mg/L
|
|
Purity by GC analysis
|
Greater than 99.9%
|
|
Solubility in water
|
Passes test
|
|
Color (APHA)
|
Less than 10
|
|
Titrable acid or base
|
Less than 0.1 μeq/g
|
|
Carbonyl compounds
|
Less than 0.002% each as
acetone or propionaldehyde
|
Suggested Applications
For HPLC, spectrophotometry and applications requiringACS Reagent Grade solvent.
◆ 超純色譜正己烷Hexane, Super Pure
Specifications
|
Water by Karl Fischer titration
|
Less than 0.01%
|
|
UV cutoff
|
195nm
|
|
Refractive index (20°C)
|
1.3780 ±0.0020
|
|
Residue
|
Less than one mg/L
|
|
Benzene
|
Less than one mg/L
|
|
Purity by GC analysis
|
Greater than 85.0%n-hexane and 99.9% n-hexane and saturated C6 hydrocarbons
|
|
Electron capture GC as heptachlor epoxide
|
No residue peaks greater than 10 ng/L
|
Suggested Applications
For HPLC, gas chromatography, pesticide residue analysis and spectrophotometry.
◆ 多功能色譜正己烷Hexane, ACS/HPLC Certified
Specifications
|
Water by Karl Fischer titration
|
Less than 0.01%
|
|
UV cutoff
|
195nm
|
|
Refractive index (20°C)
|
1.3780 ±0.0020
|
|
Residue
|
Less than three mg/L
|
|
Purity by GC analysis
|
Greater than 85.0%n-hexane and 99.9% n-hexane and saturated C6 hydrocarbons
|
|
Color (APHA)
|
Less than 10
|
|
Water-soluble titrable acid
|
Less than 0.3 μeq/g
|
|
Sulfur compounds as S
|
Less than 0.005%
|
|
Thiophene
|
Passes test
|
Suggested Applications
For HPLC, spectrophotometry and applications requiringACS Reagent Grade solvent.