美国Bio-Rad 标准小柱支架 #125-0131Aminex保护柱美国Bio-Rad 标准小柱支架 #125-0131Aminex保护柱Aminex保护柱和配件  Guard Column forIonic FormpH
RangeMicro-Guard Cartridges125-0118De-Ashing Refill Cartridges, 30 x 4.6 mm, 2^*Aminex silver- and lead-form columnsH⁺ and CO₃^–6–8125-0119Carbo-P Refill Cartridges, 30 x 4.6 mm, 2Aminex HPX-87P columnLead5–9125-0128Carbo-C Refill Cartridges, 30 x 4.6 mm, 2Aminex calcium-form columnsCalcium5–9125-0129Cation H Refill Cartridges, 30 x 4.6 mm, 2Aminex hydrogen-form columnsHydrogen1–3125-0502IG Cation H Cartridges, 30 x 4.6 mm, 2^**Aminex hydrogen-form columnsHydrogen1–3125-0503IG Carbo-C Cartridges, 30 x 4.6 mm, 2^**Aminex calcium-form columnsCalcium5–9125–0506Anion CO₃^– Cartridges, 30 x 4.6 mm, 2Aminex silver– and lead–form columnsCO₃^–—125–0507Cation K⁺ Cartridges, 30 x 4.6 mm, 2Aminex HPX–87K columnPotassium5–9125–0508Cation Na⁺ Cartridges, 30 x 4.6 mm, 2Aminex HPX–87N columnSodium5–9 Cartridges Holders and Accessories125–0131Standard Cartridge Holder, for one 30 x 4.6 mm cartridge125–0147Cartridge Holder Seal Replacement Kit, for 125–0131125–0148Cartridge Holder Seal, for 125–0131125–0139De–Ashing Cartridge Holder, for 125–0118, holds 2 30 x 4.6 mm cartridges in series

^* 需要De–ashing 滤柱支架，货号#125–0139。 
^**IG＝工业纯；颗粒更大。