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and vulcanized
Visual appearance is bright dark red to magenta (depending on concentration) and bright orange under ultraviolet light
000 ppm (mg/L) TDS Resolution 1 ppm TDS Accuracy ±2% Full Scale Temperature Range -5
Product Code: 150-A15
Filter Paper, Whatman No.1, 9.0 cm Diameter Dissolved Oxygen Testing and vulcanizedProduct Code: 21041 Whatman Grade 1 Qualitative Filter Papers are the most widely used filter paper for routine laboratory applications, qualitative analytical separations, and clarifying liquids. They are the standard grade cellulose filter papers for medium flow rates. Qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate Agricultural soil analysis and seed testing procedures
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