2.4 乙酸乙酯:Ethyl acetate ACS Reag.PhEur (P/N:1.09623.0001)

  2.5 氨水:Ammonia solution 32% (P/N:1.05426.0001)

  2.6 盐酸: Hydrochloric acid 32% for analysis EMSURE®( P/N:1.00319.1000)

  2.7 甲酸: Formic acid 98-100%Suprapur®( P/N:1.11670.1000)

  2.8 冰乙酸: Acetic acid 96% for analysis EMSURE®( P/N:1.00062.1000)

  2.9 磷酸: ortho-Phosphoric acid 85%GR(P/N:1.00573.1000)

  2.10 氢氧化钠: Sodium hydroxide pellets for analysis (max. 0.02% K) EMSURE® ACS,Reag. Ph Eur(P/N:1.06469.1000)