序號No

指標名稱Specifications

食品級 Food Grade

1

主含量(以KH2PO4計)%≥Main contents

99.0

2

**(以 P2 O 5 計)%≥Phosphorus pentoxide

51.50

3

氧化物( K2 O)%≥

34.0

4

PH值(1%水溶液） PH value (1% solution)

4.4-4.8

5

水份 %≤Moisture

0.2

6

重金屬(以 Pb 計) % ≤Heavy metal. as Pb

0.001

7

砷(以 As 計)%≤ Arsenic. as As

0.0003

8

氟化物(以F計) %≤ Fluoride as F

0.001

9

水不溶物%≤ Water insoluble

0.20