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Metal Scavengers Selection Guide

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The following selection table, shown below, helps customers in selecting the most efficient scavenger for a specific metal and application. However, since some parameters may affect the efficiency of the scavenging, we highly recommend performing a preliminary screening experiment using the SiliaMetS Metal Scavengers kit.

SiliCycle also offer a confidential Metal Scavengers Screening Service. Contact us to take advantage of our expertise in metal removal.

    Best Scavenger     Good Scavenger

Scavenger Ag Al Ca Cd Ce Co Cr Cs Cu Fe Gd Hg Ir La Li Mg Ni Os Pb Pd Pt Rh Ru Sc Se Sn Ti V W Zn
SiliaMetS Thiol
SiliaMetS DMT
SiliaBond Amine
SiliaMetS AMPA
SiliaMetS Cysteine
SiliaMetS DEAM
SiliaMetS Diamine
SiliaMetS DOTA
SiliaMetS Imidazole
SiliaMetS TAAcOH
SiliaMetS TAACONa
SiliaMetS Thiourea
SiliaBond Tosic Acid
SiliaMetS Triamine

 

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  1. SiliaBond Tosic Acid (SCX) scavenger (R60530B)

    SiliaBond Tosic Acid (SCX) (R60530B)

    SiliaBond Tosic Acid (SiliaBond SCX, Si-TsOH) is a versatile bound strong acid with a pka <<1. It is widely used for the scavenging of amines and other basic functionalities, including weakly basic anilines, borohydrides, and metals such as Ni and Ag. It can also be used as an acid catalyst for organic reactions. Si-TsOH can serve as an alternative method to quench reactions instead of aqueous or organic soluble acids.
  2. SiliaMetS Triamine metal scavenger (R48030B)

    SiliaMetS Triamine (R48030B)

    Effective for scavenging metals such as Pb, Co, Ru and Pd. Our screening studies have shown it to be the preferred scavenger for Pb. It can also be used as a scavenger for acid chlorides, isocyanates and other electrophiles.
  3. SiliaMetS Diamine (R49030B)

    SiliaMetS Diamine (R49030B)

    SiliaMetS is a proven scavenger for metals and electrophiles. It scavenges acids, acid chlorides, anhydrides, aldehydes, isocyanates, and chloroformates. Best metal scavenger for: Cr, Pd, Pt, W & Zn. Good scavenger for: Cd, Co, Cu, Fe, Hg, Ni, Pb, Ru, Sc, Se & V.
  4. SiliaMetS Thiol (SH) (R51030B)

    SiliaMetS Thiol (SH) Metal Scavenger (R51030B)

    Our most versatile and robust metal scavenger for a variety of metals under a wide range of conditions. Best scavenger for: Ag, Hg, Os, Pd & Ru. Good scavenger for: Cu, Ir, Pb, Rh, Se & Sn.
  5. SiliaBond Amine (WAX) (R52030B)

    SiliaBond Amine (WAX) (R52030B)

    SiliaBond Amine (Si-NH2) is an effective scavenger of acid chlorides, sulfonyl chlorides, isocyanates and other electrophiles. Si-NH2 has been shown to be effective metal scavenger and catalyst for Knoevenagel reactions. SiliaBond Amine is also used in chromatography as normal phase sorbent.
  6. SiliaMetS TAAcOH nec (R69030B)

    SiliaMetS TAAcOH nec (R69030B)

    SiliaMetS TAAcOH is an effective scavenger for metals in low or zero oxidation states, which includes many of the most synthetically useful catalysts. Best scavenger for: Ca, Co, Ir, Li, Mg, Ni, Os, Ru & Sc. Good scavenger for: Cr, Cs, Fe, Pd, Rh & Sn.
  7. SiliaMetS TAAcONa nec (R69230B)

    SiliaMetS TAAcONa nec (R69230B)

    SiliaMetS TAAcONa or (or SiliaMetS Triaminetetraacetate, sodium salt) is a silica bound metal scavenger for Pd(II), Ni(II) and Cu. It is the supported version of EDTA in its sodium salt form. It is an effective scavenger for metals in higher oxidation state, 2+ or higher.
  8. SiliaMetS Thiourea (THU) (R69530B)

    SiliaMetS Thiourea (THU) (R69530B)

    SiliaMetS Thiourea (Si-THU) is a versatile metal scavenger for all forms of palladium, and is widely used in the pharmaceutical industry. Once complexed with a transition metal, it has also been reported as being an effective catalyst. Best scavenger for: Pd & Ru. Good scavenger for: Ag, Cu, Fe, Os, Rh, Sc & Sn.
  9. SiliaMetS DMT (Dimercaptotriazine) (R79030B)

    SiliaMetS DMT (Dimercaptotriazine) (R79030B)

    SiliaMetS DMT is the silica - bound equivalent of 2,4,6 - trimercaptotriazine (trithiocyanuric acid, TMT). It is a versatile metal scavenger for a variety of metals and the preferred metal scavenger for ruthenium catalysts and hindered Pd complexes. Best scavenger for: As, Ir, Ni, Os, Pd, Pt, Rh, Ru & Se. Good scavenger for: Cd, Co, Cu, Fe, Sc & Zn.
  10. SiliaMetS Imidazole (IMI) (R79230B)

    SiliaMetS Imidazole (IMI) (R79230B)

    SiliaMetS Imidazole (Si-IMI) is a versatile metal scavenger for a variety of metals under a wide range of conditions and the preferred metal scavenger for iron catalysts. Best scavenger for: Cd, Co, Cu, Fe, Ir, Li, Mg, Ni, Os, W & Zn. Good scavenger for: Cr, Pd & Rh. It can also be used as an amine base in systems that are generally sensitive to basic conditions compared to other SiliaMetS supported bases.
  11. SiliaMetS Cysteine (CYS) (R80530B)

    SiliaMetS Cysteine (CYS) (R80530B)

    SiliaMetS Cysteine (Si-Cys) is the silica bound equivalent of the amino acid Cysteine. It is a versatile metal scavenger for a variety of metals including Pd, Sn, Ru, Pt, Cu, Rh, Cd and Sc under a wide range of conditions and the preferred metal scavenger for tin residues.
  12. SiliaMetS Palladium Metal Scavenger Kit (K34630B) - Includes: DMT ; Diamine ; Thiol ; Thiourea ; Imidazole ; Triamine

    SiliaMetS Palladium Scavengers Kit (K34630B)

    For Palladium removal. Includes: DMT ; Diamine ; Thiol ; Thiourea ; Imidazole ; Triamine
  13. SiliaMetS Tin Metal Scavenger Kit (K34730B) - Includes: Carbonate ; Cysteine ; DEAM ; DMT ; TAAcOH ; TAAcONa ; Thiourea ; Thiol

    SiliaMetS Tin Scavenger Kit (K34730B)

    For Tin removal. Includes: Carbonate ; Cysteine ; DEAM ; DMT ; TAAcOH ; TAAcONa ; Thiol ; Thiourea
  14. SiliaMetS Novel Scavenger Kit (K34530B), including: AMPA ; DEAM ; DOTA ; DMT ; Guanidine ; Thiol
  15. SiliaMetS metal scavengers kit (K30730B), including: Cysteine, DMT, Imidazole, Triamine, TAAcOH, TAAcONa, Thiol & Thiourea

    SiliaMetS Metal Scavengers Kit (K30730B)

    Includes: Cysteine ; DMT ; Imidazole ; TAAcOH ; TAAcONa ; Thiol ; Thiourea ; Triamine

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