Phosphates

Specifications	Txheem tus nqi	Cov txiaj ntsig kuaj
Cov ntsiab lus tseem ceeb % min	94.0 ua	94.1 ib
P2O5% min	57.0 ua	57.07 ib
Hlau, raws li Fe% max	0.01 ib	0.008 ib
Dawb % min	90	90
Dej insoluble% max	0.1	0.07 ib
CL % max	0.025 ib	0.015 ib
Tus nqi PH (1% daws)	9.5-10.0 Nws	9.7 ib
Arsenic, as	3ppm ua	2.0ppm ua
Fluoride, raws li F	30 ppm	25.0ppm ua
Heavy hlau, raws li Pb	10 ppm	8.0ppm ua
Qhov ceev g / cm3	0.7-0.9 hli	0.75 ib
Particle Loj (los ntawm 100mesh sieve)% min	90.0 ua	90

Yam khoom	Specification	Kev txheeb xyuas qhov tshwm sim
Qhov tshwm sim	Dawb hmoov	Dawb hmoov
Tag nrho phosphate (raws li P2O5) ≥%	68.0 ua	68.5 ib
Inactive phosphate (raws li P2 O5) ≤%	7.5	6.7
PH tus nqi ntawm 1% tov	5.0 - 7.5	6.37 ib
Solubility	Tsim nyog	Tsim nyog
Cov hlau hnyav (raws li Pb) ≤%	0.001 ib	<0.001
Arsenic (raws li As) ≤%	0.0003	0.00016
Fluoride (raws li F) ≤%	0.003 ib	0.0004
Dej tsis sib haum ≤%	0.06 ib	0.007 ib
Poob ntawm ignition ≤%	1.0	0.63 ib
Particle loj (100 mesh) dhau los ntawm ≥%	90	90

Cov khoom kuaj	Txuj	Kev tshwm sim
Phosphorus (P) /%	≥18	18.16 Nws
Citric acid soluble phosphorus /%	/	95
Calcium (Ca) /%	≥ 20	22.90 Nws
Fluorine (F) /%	≤ 0.18	0.1
Arsenic (As) /%	≤ 0.0020	0.0008
Heavy Hlau (Pb) /%	≤ 0.0030	0.0004
Cadmium (Cd) /%	≤ 0.0010	0.0001
Chromium (Cr)%	≤ 0.0030	0.0005
Loj (hmoov dhau 0.5mm kuaj sieve) /%	≥95	ua raws
Loj (granule dhau 2 hli xeem sieve) /%	≥90	ua raws