1、Chemical Name: ZINC CITRATE
2、Formula : Zn3(C6H5O7)2.2H2O
3、Molecular Weight: 610.37
4、CAS: 5990-32-9
5、Character: White Or Light Yellow Powder.
6、Usage: As Tooth Paste Additives,It Has The Effects Of Removing Foul Breath,Tobacco Stains And Dental Calculus,And Diminishing Inflammation.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as the outer layer, the net weight of each bag is 25kg.
8、Storage and Transport：It should be stored in a dry and ventilating warehouse, be cautious to keep away from moisture and hot, unloaded with care so as to avoid the damage. Furthermore, it should be stored separately from poisonous substances.
|
質(zhì)量指標 |
Specification |
GB1903.49-2020 |
|
|
檸檬酸鋅（C12H10O14Zn3·3H2O）含量,w/% |
Content（C12H10O14Zn3·3H2O） |
Anhydrous、Dihydrate |
--- |
|
|
|
Trihydrate |
99.0-103.0 |
|
鋅(Zn)含量(以干基計),w/% ≥ |
Content(Zn) |
Anhydrous、Dihydrate |
31.3 |
|
|
|
Trihydrate |
--- |
|
溶解度(25 ℃)/(g/100 mL) ≥ |
solubility |
Anhydrous、Dihydrate |
--- |
|
|
|
Trihydrate |
3.60 |
|
鹽酸不溶物,w/% ≤ |
Hydrochloric acid insoluble |
Anhydrous、Dihydrate |
|
|
|
|
Trihydrate |
0.1 |
|
氯化物(以Cl計) ,w/% ≤ |
Chloride |
0.05 |
|
|
干燥減量,w/% ≤ |
Loss on drying |
1.0 |
|
|
溶液澄清度 |
Completeness of solution |
Anhydrous、Dihydrate |
--- |
|
|
|
Trihydrate |
合格 |
|
硫酸鹽 （以SO4計） ,w/% ≤ |
Sulfate |
0.05 |
|
|
鉛（Pb）/mg/kg ≤ |
Lead |
5.0 |
|
|
總砷（As）/mg/kg≤ |
Arsenic |
2.0 |
|
|
鎘（Cd）/mg/kg |
Cadmium |
5.0 |
|
|
鐵（Fe） /mg/kg ≤ |
Ferric |
50 |
|
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