检验项目
T e s t I t e m
|
检验标准
T e s t S t a n d a r d
|
检验结果
T e s t r e s u l t
|
性状
(Characters)
|
半透明结晶
(Translucent crystals)
|
合格
(Conform)
|
氮
(Nitrogen)
|
21%
|
22.3%
|
PH
|
4.8~6.0
|
5.2
|
水份
(Water)
|
0.01%
|
0.01%
|
游离酸
(Free acid)
|
0.03%
|
0.01%
|
铁
(Iron)
|
0.007%
|
0.001%
|
砷
(Arsenic)
|
0.00005%
|
0.00005%
|
重金属
(Heavy metal)
|
0.005%
|
0.003%
|
水不溶物
(Water insoluble)
|
0.02%
|
0.02%
|
结论(Conclusion):符合食品级之规定(The above product complies with Food Grade)
|