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The difference is not just regulatory
The mobile phase comprised of (A) 10 mM ammonium formate in 60% aqueous acetonitrile containing 0.1% formic acid and (B) 10 mM ammonium formate in 9:1 mixture of isopropanol and acetonitrile with a 0.5 mL/min flow rate maintained during a 20 min run
order: 10 pieces 400 sold Shenzhen Huarongyuemao Bio-Technology Co., Ltd
Discuss the potential benefits and risks
At 20 mg/mL, it is 10 units
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US$ 20.45
US$ 24.11
US$ 26.95
