供货周期: | 一周 |
品牌: | 力可 |
货号: |
产品特点:
LECO Corporation is A2LA accredited in accordance with International Standards Organization ISO/IEC 17025:2005 (Certificate No. 3285.01) and Guide 34:2009 (Certificate No. 3285.02) as a reference material producer. Guide 34:2009 products are designated with a in the following tables.
Soil and Ore Standards
订购信息:
Soil and Ore Standards | ||||||
Part No. | Description | % C | % H | % N | % S | Contents |
502-635 | Ore | ~0.55 | — | — | ~45 | 25 g |
502-062 ▲ | Soil | 0.75–1.25 | 0.3–0.5 | 0.09–0.15 | 0.015–0.3 | 65 g |
502-308 | Soil | 2.5–3.5 | — | 0.2–0.3 | 0.015–0.3 | 65 g |
502-309 | Soil | 10.0–14.0 | — | 0.3–1.0 | 0.015–0.3 | 65 g |
502-814 | Soil | 20.0–35.0 | — | — | 0.1–0.5 | 25 g |
502-318 | Ore | £2 | — | — | £2 | 25 g |
502-319 | Ore | 1–5 | — | — | 1–5 | 25 g |
502-320 | Ore | 2–6 | — | — | 2–6 | 25 g |
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