glycol eg 40 ml of a solution of 144 7 g agno 3 in 3 l of eg 560 ml of eg and 2 6 ml of a 6 mm solution of fecl 2 in eg were blended and charged to an addition funnel equipped to drip into a syringe body that fed the inlet of a peristaltic pump masterflex u00ae 7518 10 pump head equipped with 0 188 in id 0 375 in od flexible tubing and driven by a 6 to 600 rpm masterflex u00ae 7521 40 console drive the outlet of the pump fed the inlet of a ca 200 ft long run of 0 25 in od stainless steel tubing 0 049 in wall thickness approximately 95 of the tubing was located in a blue m u00ae oven with the final 5 of the tubing being immersed in an ice water bath outside of the oven the outlet of the tubing fed a product receiver the oven was heated to 144 5 u00b0 c after which the pump speed control was set to deliver 11 9 ml min and the addition funnel drip rate was adjusted to maintain a constant head upstream of the pump after 64 min the pump speed control was increased to deliver 185 ml min with a compensating adjustment in the addition funnel drip rate when a brownish grey suspension appeared on the outlet of the stainless steel tubing the pump rate was decreased to deliver 11 9 ml min with a compensating adjustment in the addition funnel drip rate fig3 is a micrograph of the product suspension showing silver nanowires and many particles 40 ml of a solution of 284 0 g polyvinylpyrrolidone pvp 55 000 molecular weight in 3 l ethylene glycol eg 40 ml of a solution of 144.