monocrystalline solar ingot,solar cells,solar panels,solar inverter,6N,9N poly silicon,

Product specifications
Parameter Elements Analytical methods applied
Product specifications
Parameter Elements Analytical methods applied
Packaging
Donors (P, As, Sb) ≤ 5.0ppba
Acceptors (B, Al) ≤ 0.1ppba
photo-luminescence spectroscopy (FTPL) or infrared absorption analysis (FTIR). Six PE bags are packaged into a corrugated paper box and each double PE bag has a net weight of 5kg.

infrared absorption analysis
Carbon
Bulk purity (FTIR) on annealed ≤ 0.5ppma

polycrystalline samples.
Labels on the product

Bulk metals
Total of bulk metals

The labels on the package contain the (Fe, Ni, Cr, Cu, Zn, Na) following information. ≤ 15.0ppbw

i) Manufacturer
Total surface metalsii) Lot number <30.0ppbw inductively coupled plasma iii) Quantity and weight
Fe ≤ 10.0ppbw mass spectrometry (ICP-iv) Poly grade; photovoltaic silicon Ni ≤ 2.0ppbw MS) or equivalent method.
Surface metals
Cr ≤ 2.0ppbw
Cu ≤ 2.0ppbw
Zn ≤ 4.0ppbw Certificate of analysis
Na ≤ 15.0ppbw
K ≤ 10.0ppbw
To accompany each shipment with the Size <5mm < 2%
5- 150mm >98%
information about
i) Order number Contaminant Not allowed
ii) Product name Coloration Not allowed
iii) ordered quantity

All issued specifications reflect the present status but are subject to change without notice. For more information, please contact our sales representatives