Pesticide Analysis Grade Methanol
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Product Name
Pesticide Analysis Grade Methanol
Substance
Manufacturer(s)
Specifications
- Regulatory Status: Industrial/chemical-grade material (non-pharmaceutical use)
- IUPAC Name: methanol
- EC Number: 200-659-6
- Molecular Weight: 32.042
- Chemical Formula: CH4O
- CAS Number: 67-56-1
- Purity: ≥99.90% (GC assay)
- Application: Analytical-grade solvent for pesticide-residue analysis (GC/HPLC)
- Test Items: Specification
- Assay CH3OH (by GC) , ω / %: 99.90 min
- Density (20℃) , ρ / (g/mL): 0.791~0.793
- Chromaticity (APHA): 10 max
- Solubility in H2O: Pass test
- Residue on evaporation , ω / %: 0.0002 max
- Water H2O (by K-F) , ω / %: 0.05 max
- Titrable Acid(H+) , b / (mmol/g): 0.0003 max
- Titrable Base(OH-) , b / (mmol/g): 0.00008 max
- Carbonylic compounds(CO) , ω / %: 0.001 max
- UV Absorbance(1cm cell vs. water): at 205 nm
- at 210 nm: 0.60 max
- at 220 nm: 0.30 max
- at 225 nm: 0.25 max
- at 230 nm: 0.12 max
- at 240 nm: 0.05 max
- at 250 nm: 0.02 max
- at 260-400 nm: 0.01 max
- Pesticide detection (GC): peak / (ng/L): 10 max
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