Laserfiche WebLink
4.2 _Sonication: A horn-type sonicator equipped with a titanium tip <br /> should be used, The following sonicator, or an equivalent b rand <br /> and model, is recommended: <br /> Ultrasonic cell disrupter: Heat Systems - Ultrasonics, Inc., <br /> Model W-385 (475 watt) sonicator or equivalent (power wattage <br /> must be a minimum of 375 with pulsing capability and No. 200 <br /> 1/2" Tapped Disrupter Horn) plus No. 207 3/4" Tapped Disrupter <br /> Horn, c-,id No, 414 1/8" Standard Tapered microtip probe, <br /> 4.3 Sonnbox: Recommended with above disrupters for decreasing <br /> cavitation sound (Heat Systems - Ultrasonics, Inc. , !Model 4328 <br /> or equivalent). <br /> 4.4 Apparatus for determining percent: moisture: <br /> 4,4. 1 Oven: Drying, <br /> 4,4,2 Desiccator. <br /> 4,4.3 Crucibles: Porcelain. <br /> 4.5 Paseur p1a5Gpipets; Disposable, 1-mL. <br /> 4.6 Beaker; 400-mL. <br /> ,.7 Vacuum filtration apparatus: <br /> 4.7,1 Buchner funnel. <br /> 4.7.2 Filter paper: Whatman No. 41 or equivalent. <br /> 4,8 Kuderna-Danish (K-D) ap2paratus: <br /> 4,8,1 Concentrator tube: 10-mL graduated (Kontes K-570050- <br /> 1025 or equivalent). <br /> 4.8.2 Evaporator flask: 500-mL (Kontos K-570001-0500 or <br /> equivalent). <br /> 4,8.3 Snyder column: Three-ball macro (Kontes K-503000-0121 <br /> or equivilent). <br /> 4,8.4 Snyder column: Two-gall micro (Kontes K-569001-0219 or <br /> equivalent). <br /> 4.9 Bailing chi4s; Solvent extracted, approximately 10/40 mesh <br /> (silicon carbide or equivalent). <br /> 4.10 Water bath: Heated, with concentric ring cover, capable of <br /> temperature control (±5'C). The bath should be used in a hood. <br /> -- 4.11 l:alance: Top-loading, capable of accurately weighing 0.01 g. <br />