DWK Life Sciences APHA Nessler Color Comparisons Tubes
These Nessler tubes are ideal for color comparison. Shadowless bottom of each tube transmits undistorted light. Rings and legend are durable white ceramic enamel which correspond with specific volumes of liquid. Graduated ring scale of any of the tubes within a matched set will not vary from that of any other tube within the set by more than 1.5 mm for the 50 mL and 2.0 mm for the 100 mL sizes. The 50 mL size is specifically mentioned by the American Public Health Association in Standard Methods for the Examination of Water and Waste Water. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I Class A requirements.
• 45315 series (Cat. No. 845-23986) is unmatched
• 45315A series (Cat. No. 845-51995 and 845-51998) is supplied in a matched set of 6
• 45315B series (Cat. No. 845-24004 and 845-52265) is supplied in a matched set of 12
Image(s) are representative of the product group and not necessarily the individual product.
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• 45315 series (Cat. No. 845-23986) is unmatched
• 45315A series (Cat. No. 845-51995 and 845-51998) is supplied in a matched set of 6
• 45315B series (Cat. No. 845-24004 and 845-52265) is supplied in a matched set of 12
Image(s) are representative of the product group and not necessarily the individual product.
These Nessler tubes are ideal for color comparison. Shadowless bottom of each tube transmits undistorted light. Rings and legend are durable white ceramic enamel which correspond with specific volumes of liquid. Graduated ring scale of any of the tubes within a matched set will not vary from that of any other tube within the set by more than 1.5 mm for the 50 mL and 2.0 mm for the 100 mL sizes. The 50 mL size is specifically mentioned by the American Public Health Association in Standard Methods for the Examination of Water and Waste Water. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I Class A requirements.
• 45315 series (Cat. No. 845-23986) is unmatched
• 45315A series (Cat. No. 845-51995 and 845-51998) is supplied in a matched set of 6
• 45315B series (Cat. No. 845-24004 and 845-52265) is supplied in a matched set of 12
Image(s) are representative of the product group and not necessarily the individual product.
• 45315 series (Cat. No. 845-23986) is unmatched
• 45315A series (Cat. No. 845-51995 and 845-51998) is supplied in a matched set of 6
• 45315B series (Cat. No. 845-24004 and 845-52265) is supplied in a matched set of 12
Image(s) are representative of the product group and not necessarily the individual product.
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