CATALOG OR PART NUMBER SX SX18 4 SX20 5 SX20 SAMPLE SX20-4 SX SX21 5 SX21 SAMPLE SX22 5 SX22 SAMPLE SX23 5 SX23 SAMPLE SX24 5 SX24 SAMPLE

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1 MANUFACTURER PRODUCT NAME CATALOG OR PART NUMBER Amersham BCS NBCS104 Amersham BCS NA NBCS204 Beckman Ready Safe Scintiverse BD Cocktail ScintiSafe Econo ScintiSafe Econo ScintiSafe Econo R ScintiSafe 30% ScintiSafe Gel SX SX18 4 SX20 5 SX20 SAMPLE SX20-4 SX SX21 5 SX21 SAMPLE SX22 5 SX22 SAMPLE SX23 5 SX23 SAMPLE SX24 5 SX24 SAMPLE USES RECOMMENDED BY MANUFACTURER Designed for counting a wide variety of aqueous, inorganic, and organic samples at high capacities. Efficient counting of nonaqueous Multipurpose with high counting efficiency. Universal cocktail for aqueous, non-aqueous, and emulsion counting systems. Best at ambient temperatures for aqueous samples, dilute salt and buffer solutions, acids and bases, density gradients. As for ScintiSafe Econo 1, but performs well above and below ambient temperatures. 100% organic samples, dry filters, as an alternative to Toluene/PPO. High efficiency for swipe tests, dilute salt and buffer solutions, tritium counting. Suspension particle counting, TLC scrapings, soil samples, density gradients, biological

2 ScintiSafe Plus 50% SX25 5 SX25 SAMPLE Large volumes of aqueous sample, miniaturization, strong alkaline samples, wet filter counting for receptor binding assays. ICN EcoLume Aqueous and organic samples such as deionized water, phosphate buffered saline, PBS with gelatin or BSA, sucrose gradients, salt solution, 0.1N HCl, 0.1 N NaOH, etc. ICN EcoLite(+) Exceptional water and salt holding characteristics, and for difficult to count RIA samples, basic samples, phosphate buffers, and biological fluids. High H-3 and C-14 counting efficiencies. Gelling cocktail with ICN Universol ES physical characteristics of "triton and toluene" type cocktails. One-step counting of ICN CytoScint ES filters, TLC scrapings, and samples solublized in hyamine hydroxide. ICN BetaMax ES Beta particle counting in non-aqueous samples, samples dried on solid supports, and organic samples extracted from aqueous mixtures. National Diagnostics Ecoscint LS-271 Aqueous and nonaqueous

3 National Diagnostics Ecoscint A National Diagnostics Ecoscint O National Diagnostics Ecoscint H National Diagnostics Uniscint BD National Diagnostics Monoflow 5 Ultima Gold LS-273 LS-274 LS-275 LS-276 LS High efficiency for aqueous samples, resistance to photo- and chemiluminescence, biological samples, acrylamide gel slices. Non-aqueous samples, lower background, improved quench resistance compared with non biodegradable solutions. High efficiency for aqueous sample volumes under 10% of total sample volume, resistance to photo- and chemiluminescence, biological samples, acrylamide gel slices. Accommodates high salt and buffer samples, nongelling, suitable for use in on-line HPLC flow detectors. Nontoxic, biodegradable scintillator for flow detectors (ratios of 3:1). Very high counting efficiency, high capacity, for aqueous or nonaqueous samples, high quench resistance. Ultima Gold XR Extended range of sample holding capacity, high quench resistance, high counting efficiency.

4 Ultima Gold LLT (4 x 2.5 liters) High water capacity, high counting efficiency, very low background levels, for bioassay of urine, high heavy metal sample capacity. Ultima Gold MV Fast and easy sample mixing, high counting efficiency, ideal for counting small volumes, vortexing and counting wet glass fiber filters. Ultima Gold F Ultima Gold AB High counting efficiencies for dried filters, filter mats and organic samples, alpha and beta LSC counting. Excellent alpha/beta discrimination, excellent for strong mineral acids, high quench resistance, high sample capacity. Opti-Fluor Multi-purpose cocktail, low photo and chemiluminescence. Opti-Fluor O Poly-Fluor Ultima-Flo M (20 liters) Non-aqueous organic Economical sample counting. Multi-Purpose flow cocktail, high counting efficiency, low viscosity, non-gelling. / Ultima-Flo AF Specifically formulated for ammonium formate, high counting efficiency, low viscosity, non-gelling.

5 Research Products Bio-Safe II Aqueous solutions, salt/buffer solutions, biological materials, organic solutions, wet filters. Research Products Bio-Safe NA Highest efficiency when counting organic miscible samples and dry filters. Research Products Econo-Safe Wallac OptiScint HiSafe II Wallac OptiPhase HiSafe Wallac OptiPhase HiSafe General purpose cocktail for aqueous and nonaqueous Suitable for all organic General purpose cocktail with a moderate to high sample holding capacity for a wide range of aqueous and nonaqueous solutes. Capable of handling a broad range of solutes, very high level of sample acceptance particularly for high ionic strength solutes. Wallac OptiPhase Hi-Load No description available Wallac OptiPhase SuperMix Wallac OptiPhase TriSafe Wallac Betaplate Scint For use with microtitration plates. High solute uptake and low background, ideal for extended counting times. For samples harvested or spotted onto filter membranes.

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