Nb/Ti Interstitial Free Steel - ECRM 064-2(D)
CRM Category: Plain Carbon Steels (Wrought)
Material Form: 38mm x 25mm Disc
Commodity: Alloys
Type: Certified Reference Material
Product Code: ECRM 064-2(D)
Chemical Content
| Element | Mass Fraction in % | Uncertainty in Mass Fraction in % |
|---|---|---|
| Si | 0.00007 | 0.00006 |
| Fe | 0.00007 | 0.00006 |
| Cu | 0.00007 | 0.00006 |
| Mn | 0.00007 | 0.00006 |
| Mg | 0.00007 | 0.00006 |
| Cr | 0.00007 | 0.00006 |
| Ni | 0.00007 | 0.00006 |
| Zn | 0.00007 | 0.00006 |
| Ti | 0.00007 | 0.00006 |
| Ag | 0.00007 | 0.00006 |
Properties
- Density
- 1.025g/cm³
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Product Description
ECRM 064-2 is supplied in the form of 38mm discs. This ECRM was prepared from material originally reserved for use as a further supply of discs of ECRM 064-1 but subsequent examination of the material revealed a significant difference in the levels of P, S, Cr, Al, and Ti, although all other constituents remained unchanged . Therefore the reserved material is now being released as ECRM 064-2 using the values obtained in the certification of ECRM 064-1 but without certified values for P, S, Cr, Al (Tot.), Al (sol) and Ti
Notes on methods used
- CARBON
- Analysts Nos. 1, 2, 4 and 5 determined carbon by high frequency combustion and infrared absorption. Analysts Nos. 3 and 6 determined carbon using non-aqueous titration according to the Standard Method BS 6200:3.8.2:1991.
- SILICON
- Analyst No. 1 determined silicon photometrically as silicophosphomolybdate without extraction. Nos. 2 and 6 determined silicon gravimetrically, according to BS 6200:3.26.1:1995. Nos. 3, 4 and 5 used inductively coupled plasma optical emission spectrometry (ICP-OES).
- MANGANESE
- Analysts Nos. 1, 2, 4 and 5 used ICP-OES. Nos. 3 and 6 determined manganese photometrically after oxidation with potassium periodate according to BS 6200:3.18.2:1995.
- PHOSPHORUS
- Analysts Nos. 1, 2, 4 and 5 used ICP-OES. Nos. 3 and 6 determined manganese photometrically after oxidation with potassium periodate according to BS 6200:3.18.2:1995
- SULPHUR
- Analyst Nos.1, 2, 4 and 5 determined sulphur using high frequency combustion and infrared absorption. Analyst No. 6 determined sulphur using oxidation/reduction titration after combustion.
- CHROMIUM
- Analysts Nos. 1, 2, 3, 4 and 5 determined chromium using ICP-OES. Analyst No.6 used flame atomic absorption spectrometry (FAAS).
- MOLYBDENUM
- Analysts Nos. 1, 2, 4 and 5 determined molybdenum using ICP-OES. Analyst No. 6 used FAAS
- NICKEL
- Analysts Nos. 1, 2, 3, 4 and 5 determined nickel using ICP-OES. Analyst No.6 used FAAS.
- ALUMINIUM
- Analysts Nos. 1, 2, 3, 4 and 5 determined aluminium using ICP-OES. Analyst No.6 used FAAS, according to BS6200: 3.1.4:1990.
- ARSENIC
- Analysts Nos. 1, 2, 4 and 5 determined arsenic using ICP-OES. Analyst No.6 determined As photometrically with silver diethyldithiocarbamate after separation as arsine
- COBALT
- All Analysts determined cobalt by ICP-OES
- COPPER
- Analysts Nos. 1, 2, 3, 4 and 5 determined copper using ICP-OES. Analyst No.6 used FAAS according to BS EN 24943:1990.
- NITROGEN
- Analysts Nos. 1, 2, 4 and 5 determined nitrogen using thermal conductivity. Analyst No.6 determined nitrogen titrimetrically after distillation as ammonia according to the Standard Method BS 6200:3.22.1:1992.
- TIN
- All analysts determined tin using ICP-OES.
- TITANIUM
- All Analysts determined titanium using ICP-OES.
- VANADIUM
- All Analysts determined vanadium by ICP-OES
- NIOBIUM
- All Analysts determined niobium using ICP-OES.
- CALCIUM
- Analyst No. 1 determined calcium using ICP-OES. Analysts Nos. 4 and 6 used FAAS.
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