Cov Cim Qhia Zoo rau Cov Khoom Noj Calcium Formate
Cov Cim Qhia Txog Kev Zoo ntawm Qib Pub Noj Calcium COV NTAUB NTAWV
Cov lus qhia zoo rau cov calcium formate pub rau qib (los ntawm qib khoom) yog raws li nram no:
Calcium formate [Ca(HCOO)₂]: ≥ 99.0% (qib zoo tshaj), ≥ 98.0% (qib ib), ≥ 96.0% (qib tsim nyog)
Tag nrho cov calcium (raws li Ca²⁺): ≥ 30.4% (qib zoo tshaj), ≥ 30.1% (qib ib), ≥ 29.0% (qib tsim nyog)
Calcium formate Cov dej tsis yaj: ≤ 0.15% (qib siab), ≤ 0.20% (qib thawj), ≤ 0.30% (qib tsim nyog)
Tus nqi pH ntawm cov tshuaj calcium formate (10% aqueous solution): 7.0–7.5 (qib zoo tshaj), 7.0–7.5 (qib ib), 6.5–7.0 (qib tsim nyog)
Poob thaum ziab: ≤ 0.5% (qib zoo), ≤ 1.0% (qib thawj), ≤ 1.5% (qib tsim nyog)
Calcium formate Cov hlau hnyav (raws li Pb²⁺): ≤ 0.002% (qib siab), ≤ 0.002% (qib thawj), ≤ 0.004% (qib tsim nyog)
Arsenic (raws li As³⁺): ≤ 0.0005% (qib zoo tshaj), ≤ 0.0005% (qib thawj), ≤ 0.001% (qib tsim nyog)