Phos-05

Phos-05

Mercaptoalkyl 4 functionalised silica

SKU: SP157293 Category:

Available Options

Pack SizeStockPriceQuantity 
10g£51.70
25g£107.75
50g£172.50
100g£259.00
500g£690.00

Phos-05 is a thiol scavenger with a high affinity for platinum group metals.

It is the recommendation for Rh but also has a high affinity for Pd.

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Additional information

Metal 1

Rh

Metal 2

Pd

Pack Size

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3kg sample of catalyst waste stream containing 700 ppm Rh. Screening at 100 degrees C found Phos-04 and Phos-05 recovered 96% Rh, Phos-04 loaded 26 g/kg and Phos-05 loaded 28 g/kg. Optimisation at 90 degrees C achieved >98% recovery, down to 11 ppm and up to 33 g/kg loaded.

Synthesis of Valsartan precusor using Suzuki coupling produced a waste stream containing 2100 ppm Pd from the Pd(PPh3)4 catalyst. After scavenging with Phos-05 the content was reduced to 1.6 ppm Pd.

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