Dichloromethane, Glass Purified & Distilled, Trace Grade Monographs
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Dichloromethane, Glass Purified & Distilled, Trace Grade Monographs
Dichloromethane (Methylene Chloride)
Meets HRGC/HPLC Trace Grade Monographs
Glass Purified and Glass Distilled
| Product Specifications |
Limits |
Typical Lot Analysis |
| UV Absorbance |
To Pass Test |
Pass |
| UV Absorbance , A.U @ 233nm |
1.000 max |
0.56 |
| 240nm |
0.120 max |
0.10 |
| 254nm |
0.010 max |
0.003 |
| 350nm |
0.005 max |
<0.001 |
| Assay(GC), excluding preservative |
99.9% min |
99.99% min |
| Residue After Evaporation, max |
1ppm |
<0.1ppm |
| Color (APHA), max |
10 |
<5 |
| Appearance |
Clear |
Clear |
GC-ECD Responsive residue
(single peak) (as Heptachlorepoxide) |
10ppt max |
<1ppt |
GC-FID Responsive residue
(single peak) (as 2-Octanol) |
5ppb max |
<1ppb |
| LC Suitability |
To Pass Test |
Pass |
| Fluorescence at emission maximum for impurities (as Quinine Sulfate) |
1ppb |
<1ppb |
| Water, max |
0.01% |
<0.003% |
| Stabilizer– Amylenes |
100 - 200ppm |
123ppm |