焦磷酸钾磷钾含量检测标准

Potassium pyrophosphate for electroplating use

Determination of total phosphorus,potassium content in compound fertilizers - X-ray fluorescence spectrometry

Fluorspar—Determination of calcium,aluminum,silicon,phosphorus,sulfur,potassium,iron,barium and lead content—Wavelength dispersive X-ray fluorescence spectrometric method

Determination of silicon,aluminum,iron,calcium,magnesium,sodium,potassium,phosphorus,titanium and manganese in coal gangue—X-ray fluorescence spectrometric method

Chemical analysis methods of potassium fluoborade - Part 10: Determination of phosphorus pentoxide content - Molybdenum blue photometric method

Direct reduced iron—Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content—Inductively coupled plasma atomic emission spectrometric method

Chemical analysis methods of potassium fluotitanate - Part 9: Determination of phosphoruo content - Molybdenum blue photometric method

Chemicals used for treatment of water intended for human consumption - Tetrapotassium pyrophosphate

Manganese ores - Determination of magnesium, aluminum, silicon, phosphorus, sulfur, potassium, calcium, titanium, manganese, iron, nickel, copper, zinc, barium and lead content - Wavelength dispersive X-ray fluorescence spectrometric method

Chemicals used for treatment of water intended for human consumption. Tetrapotassium pyrophosphate