T-P(??) ?????

1. Experimental title : T-P(total Phosphorous) <???/??? ???>

2. Objective
????? ??? ??? ??? ??? ????? ???, ???? ??, ??, ???? ? ?? ?? ??? ?? ??? ?? ??? ??? ??. ? ??? ?? ???? ??? ??? ?? ????? ???? ??? ???? ????, ??? ????? ?? ????, ?? ? ?? ??, ???? ?? ??? ????? ???? ? ??. ??? ??? ????(HPO), ????(HPO), ????(HPO)?? ??? ????? ???? ???? ????? ????. ??? ?? ?? ??? ?? ??? ???? ????? ???? ?? ?? ??? ???? ??, ?? ????? ??? ?? ??? ?????? ??? ?? ? ??? ???? ?? ?? ????.

3. Material and apparatus
3.1. ????
?????, ?????, ??????, ??, ???, ???, ???, ???,
???????
3.2. ??
¢Å ???????(4W/V%)
?????(K2S2O8) 4g? ???? ?? 100mL? ??.
¢Æ ?????? ??(7.2%)
??????(C6H8O6) 3.6%? ???? ?? 50mL? ??.
¢Ç ??(2+1)
??? 33.3mL? ??(H2SO4) 66.6mL? ??? 99.9mL¨P100mL? ??.
¢È ????????
???????? 4???((NH4)6Mo7O24?4H2O) 6g? ????????
(or ?????????) 0.24g? ??? 300mL? ?? ???? ??(2+1) 120mL? ???????(NH4OSO2NH2) 5g? ?? ?? ?? ???? ?? 500mL? ??.