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Micro-Guard Anion CO3- Cartridges 1250506

Pkg of 2, 30 x 4.6 mm, guard cartridge, CO3- form, pH range 5–9, for Aminex silver- and lead-form columns

Micro-Guard Cation Na+ Cartridges 1250508

Pkg of 2, 30 x 4.6 mm, guard cartridge, sodium form, pH range 5–9, for Aminex HPX-87N column (#125-0143)

Micro-Guard Cation H Refill Cartridges 1250129

Pkg of 2, 30 x 4.6 mm, guard column, hydrogen form, pH range 1–3, for Aminex? hydrogen-form columns

Micro-Guard Carbo-C Refill Cartridges 1250128

Pkg of 2, 30 x 4.6 mm, guard column, calcium form, pH range 5–9, for Aminex calcium-form columns

Micro-Guard Carbo-P Refill Cartridges 1250119

Pkg of 2, 30 x 4.6 mm, guard column, lead form, pH range 5–9, for Aminex HPX-87P column (#125-0098)

Micro-Guard De-Ashing Refill Cartridges 1250118

Pkg of 2, 30 x 4.6 mm, guard column, H+ and CO3- form, pH range 6–8, for Aminex silver- and lead-form columns, requires de-ashing cartridge holder (#125-0139)

Standard Cartridge Holder for HPLC Systems 1250131

Pkg of 1, cartridge holder, for one 30 x 4.6 mm cartridge

Fermentation Monitoring Column 1250115

Pkg of 1, 150 x 7.8 mm, prepacked HPLC organic acid and alcohol column, hydrogen form, 9 μm particle size, 8% cross linkage, pH range 1–3