四羟基苯硼酸检测标准

Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method

Determination of potassium content for compound fertilizers—Potassium tetraphenylborate gravimetric method

Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method

Fertilizers and soil conditioners. Determination of water-soluble potassium content. Potassium tetraphenylborate gravimetric method

Fertilizers－Determination of potassium content－Potassium tetraphenylborate gravimetric method(reference method)

Fertilizers. Chemical analysis. Determination of potassium-Method for determination of water-soluble potassium content (potassium tetraphenylborate gravimetric method: reference method)

Standard for Determination of Quaternary Ammonium Compounds in Wood and Wood Treating Solutions by Potentiometric Titration Using Sodium Tetraphenylborate

Standard for Determination of Quaternary Ammonium Compounds in Wood and Wood Treating Solutions by Potentiometric Titration Using Sodium Tetraphenylborate

Fertilizers — Determination of potassium content — Potassium tetraphenylborate gravimetric method (Reference method)

Potassium chloride for industrial use — Determination of potassium content — Potassium tetraphenylborate gravimetric method

Potassium chloride for industrial use — Determination of potassium content — Sodium tetraphenylborate titrimetric method

Potassium sulphate for industrial use — Determination of potassium content — Sodium tetraphenylborate volumetric method

Potassium sulphate for industrial use — Determination of potassium content — Gravimetric method as potassium tetraphenylborate

Cosmetic raw materials. Sunscreens. (1,3,5)-triazine-2,4-bis{(4-(2-ethyl-hexyloxy)-2-hydroxy)-phenyl}-6-(4-methoxyphenyl) and 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol. Determination by liquid chromatography.