国产精华液1区2区区别,国产欧美日韩一级在线,日本精品1区国产精品,亚洲国产成人精品综合

1.0 mg/mL by UV absorbance at 280 nm

>90% pure (by SDS-PAGE) 

0.02 M Potassium Phosphate, 0.15 M Sodium Chloride, pH 7.2 and 0.01% (w/v) Sodium Azide 

At +4°C: not determined 

At -80°C: not determined

Can be frozen, but avoid multiple freeze/thaw cycles

Short term: +2°C to +8°C 

Long Term: -80°C