Distributor Login
Contact us

APPLICATION NOTE

IARM FSiP-20 – Ferrosilicon Powder

SUMMARY

The application note summarizes the digestion of IARM FSiP-20 a ferrosilicon powder Certified Reference Material using ColdBlock™ Digestion Pro Series Technology.
Instrument:ColdBlock CBM sample digester, chiller, HF inserts, ICP-OES
Published:March 2026
Digestion Time:20 Minutes
Acid Used:HNO3, HCl
Average ColdBlock Recovery vs. CRM:
  • 101% Aluminum
  • 98% Calcium
  • 100% Silicon

Related Resources

Swedish Lab Höganäs Unveils Multifaceted Benefits Following Integration of Coldblock Into Laboratory Operations

Select IARM FCrP-20 – Ferrochrome Powder

Qotho CRM-1-232 – Ferrochrome

Qotho CRM-1-236 – Ferrochrome

Boost Your Lab's Speed and Efficiency with ColdBlock

Contact Us

METHODOLOGY

  1. The chiller temperature was set to -5 °C.
  2. Approximately 0.250 g of each sample was accurately weighed and transferred into a ColdBlock digestion vessel.
  3. A reagent mixture of 20mL of 1:1 HNO3 + 7mL HF was added to each vessel
  4. Samples were digested at 100 % power for 5 minutes, followed by 50% power for 15 minutes.
  5. Digestates were allowed to cool, then quantitatively diluted to a final volume of 50mL using a solution of 2 % HNO3 v/v.

DISCUSSION

  • HF handling requires appropriate safety controls and compatible labware.
  • An optional addition of boric acid (4% v/v H3BO3) can be used to complex residual fluoride ions, which stabilizes the solution and enables safe analysis on sample introduction systems that are not equipped with inert HF kits.

Results

IARM FSiP-20 – Ferrosilicon Powder
Method: 0.25g 20mL 1:1 HNO3 + 7mL HF – 100% for 5 minutes, then decrease to 50% for 15 minutes
Element Certified Value (wt.%) +/- Sample A Sample B Sample C Average (ppm) Stdev RSD Recovery
Al 0.31 0.01 0.32 0.31 0.31 0.31 0.002 0.5% 101%
Ca 0.17 0.01 0.17 0.16 0.16 0.17 0.003 1.5% 98%
Co 0.0019 0.0008 0.0019 0.0020 0.0020 0.0020 0.00005 2.4% 104%
Cr 0.068 0.004 0.067 0.066 0.067 0.066 0.0005 0.8% 98%
Cu 0.052 0.002 0.050 0.051 0.050 0.050 0.0001 0.2% 97%
Fe 21.8 0.8 22.0 22.4 22.4 22.3 0.2 0.8% 102%
Mg 0.008 0.001 0.009 0.009 0.009 0.009 0.00005 0.5% 108%
Mn 0.186 0.005 0.183 0.187 0.184 0.185 0.002 1.0% 99%
Mo 0.0082 0.0004 0.0090 0.0087 0.0082 0.0086 0.0003 3.8% 105%
Nb 0.0018 0.0001 0.0018 0.0021 0.0020 0.0020 0.0001 6.3% 109%
Ni 0.02 0.001 0.021 0.021 0.021 0.021 0.0001 0.7% 105%
P 0.015 0.002 0.015 0.015 0.014 0.015 0.0007 4.7% 98%
Si 77.0 1.0 75.1 77.6 77.8 76.8 1.2 1.6% 100%
Ti 0.057 0.003 0.056 0.056 0.057 0.056 0.0007 1.3% 99%
W 0.0019 0.0007 0.0018 0.0019 0.0019 0.002 0.00005 2.5% 98%
Zn 0.0022 0.0009 0.0022 0.0023 0.0021 0.002 0.0001 3.7% 100%
Zr 0.0043 0.0004 0.0042 0.0039 0.0041 0.004 0.0001 3.1% 95%

IARM FSiP-20; Ferrosilicon Powder; Analytical Reference Materials International; Manchester, NH 03103 (Oct 2020)
LGC Standards (ARMI MBH). (2020). IARM FSiP-20 Ferrosilicon Powder Certified Reference Material, Certificate of Analysis. United States

Click here to download the Application Note in PDF format.

Join our monthly e-newsletter for expert tips, updates, and exclusive content delivered straight to your inbox.

ColdBlock Technologies Inc.
4551 Zimmerman Ave
Niagara Falls, ON L2E 3M5
info@coldblock.ca.