Chloroform with UV Specification Comparison

Sigma-Aldrich Chloroform Specifications Comparison With UV Specifications
	CHROMASOLV Plus	CHROMASOLV Plus	CHROMASOLV for HPLC	CHROMASOLV for HPLC	ACS Spectro- photometric	ACS Spectro- photometric
Purity	≥99.9%	≥99.9%	≥99.8%	≥99.8%	≥99.8%	≥99.8%
UV Absorption
λ: 245 nm	≤1.00	≤1.00	≤1.00		≤1.00	≤1.00
λ: 250 nm	≤0.30	≤0.30		≤1.00
λ: 255 nm			≤0.15		≤0.25	≤0.25
λ: 260 nm			≤0.15	≤0.30	≤0.15	≤0.15
λ: 270 nm			≤0.02		≤0.05	≤0.05
λ: 275 nm	≤0.005	≤0.005
λ: 280 nm				≤0.005
λ: 290 nm			≤0.01		≤0.01	≤0.01
λ: 400 nm	≤0.005	≤0.005	≤0.01		≤0.01	≤0.01
Total Impurities
Stabilizer	0.5-1.0% Ethanol	Amylenes	0.5-1.0% Ethanol	Amylenes	0.5-1.0% Ethanol	Amylenes
Water	≤0.02%	≤0.02%	≤0.01%	≤0.01%	≤0.03%	≤0.03%
Evaporation Residue	≤0.0001%	≤0.0001%	≤0.0003%	≤0.0005%	≤0.001%	≤0.001%
Halogenated Residue	≤10 ng/L (as Heptachlor epoxide)	≤10 ng/L (as Heptachlor epoxide)
Fluorescence 365 nm	≤0.5 ppb	≤0.5 ppb
Acetaldehyde			Passes Test		Passes Test	Passes Test
Acetone			Passes Test		Passes Test	Passes Test
Titratable acid				≤0.001% free acid (as HCL)	Passes Test
Free Chlorine			Passes Test		Passes Test	Passes Test
Formaldehyde		Passes Test			Passes Test	Passes Test
Lead			≤0.05 ppm		≤0.05 ppm	≤0.05 ppm
Packaging Options
	CHROMASOLV Plus	CHROMASOLV Plus	CHROMASOLV for HPLC	CHROMASOLV for HPLC	ACS Spectro- photometric	ACS Spectro- photometric
Glass Bottle	650471	650498	366927	34854	366919	154733
PVC Coated Bottle			439142
NOWPAK™				34854

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