PRETREATMENT EQUIPMENT AND PRETREATMENT METHOD

• Main Authors: KUWAMOTO KEIKO, IWAMOTO YASUKAZU, AOMI TAKASHI
• Format: Patent
• Language: English
• Published: 20.03.2014
• Subjects: FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; HUMAN NECESSITIES; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

PROBLEM TO BE SOLVED: To provide equipment for a pretreatment which is convenient and performs a pretreatment enabling precise determination of a calcium ion concentration with a calcium ion electrode.SOLUTION: Equipment for a pretreatment 1 is that for pretreating a sample solution containing a calcium ion prior to determination of a calcium ion concentration with a calcium ion electrode. The equipment for a pretreatment 1 comprises: an acid addition device 3 to add an acid to the sample solution; and a base addition device 4 to add a base to the sample solution to which the acid has been added.