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电议 上海
Ascentis® Express 160 Å C30 2.7 μm HPLC液相色谱柱
默克生命科学
离子交换树脂 (strongly acidic cation exchanger, H⁺-form) GR for analysis Reag. Ph Eur
离子交换树脂 (strongly basic anion exchanger, OH⁻ form) GR for analysis
离子交换树脂 mixed bed ion exchanger with colour indicator, strongly acidic H⁺ form and strongly basic OH⁻
离子交换树脂 (strongly acidic cation exchanger), H⁺ form Amberlite®
离子交换树脂 mixed-bed ion exchanger with colour indicator, strongly acidic H⁺ form and strongly basic OH⁻
离子交换树脂 (strongly acidic cation exchanger), H⁺ form Amberlyst®
离子交换树脂 (mixed-bed ion exchanger, strongly acid H⁺ form and strongly basic OH⁻ form) Amberlite®
离子交换树脂 (strongly acidic cation exchanger, Na⁺ form) Amberlite®