Analysis can be performed on a small sample with a wide range of concentrations from ppm or ppb (standard is ppm) to several tens of percent.
Advantages of Neutron Activation Analysis 1) Analysis can be performed with a small amount of sample (approximately a few mg to a few g). 2) A wide range of analyzable concentrations, from levels in ppm or ppb (standard is ppm) to several tens of percent. 3) High precision (uncertainty: standard 4-5%). 4) Not affected by the physical shape or chemical state of the analyzed elements; standardization of the same matrix composition is unnecessary. Analyzable Elements A) Elements requiring long irradiation time for analysis: Ag, As, Au, Ba, Br, Ca, Ce, Cd, Co, Cr, Cs, Er, Eu, Fe, Ga, Ge, Gd, Hf, Hg, Ho, Ir, K, La, Lu, Mo, Nb, Nd, Os, Pd, Pr, Pt, Rb, Re, Ru, Sb, Sc, Se, Sm, Sn, Sr, Ta, Tb, Te, Th, Tm, U, W, Yb, Zn, Zr B) Elements that can be analyzed with short irradiation time: Al, Ca, Cl, Cu, Dy, I, In, Mg, Mn, Na, Rh, Ti, V C) DNAA method (short irradiation): U ◎ For more details, please refer to the PDF document.
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Main Uses Archaeology (analysis of main elemental components of artifacts and ruins) Space Science (analysis of elemental composition of meteorites) Earth Environment (elemental analysis of fossil fuels, minerals, atmospheric dust, and elements contained in plants and soil) Pharmaceuticals and Cosmetics (checking for contamination of impurity elements) Food (analysis of the proportion of elements that constitute nutrients) Industrial and Manufacturing (for example, analysis of trace impurity elements in high-purity Si) *Analysis Report The analysis report will be provided in an editable spreadsheet (Excel format), including mass fraction, uncertainty, and estimated detection limits when mass fractions cannot be specified. *Delivery Time for Analysis Reports A) Elements requiring long irradiation times: approximately 8-9 weeks B and C) Elements that can be analyzed with short irradiation times: approximately 2-3 weeks *Regarding Samples Please submit in solid or powder form. Examples: minerals, soil, food, biological preparations, etc. Please send in glass vials (with plastic lids, not metal lids made of iron or aluminum) or properly sealed plastic bags. *Disposal of Samples In principle, samples will be disposed of in the irradiation furnace. ◎ For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
Applications of Radiochemical Analysis • Plastics • Soil, rock, coal, ores and minerals • Plant material • Glass • Catalysts • Difficult elements: halogens, As, Sb, Hg • High purity compounds • Air particulate matter • Human or animal tissue and biopsies • Archaeological and cultural artifacts Specific Examples • Precious metals in ore • As, Cd, Cr in plastic • Cl, Br, I in coal • U, Th, K, Rb in rock • U in ore or phosphate/fertilizer • Trace elements in food • I in wood/paper • Metals in infant formula It is utilized in various fields such as archaeology, forensic chemistry, industrial products, and medicine.
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Enatech handles a wide range of silicon wafer-related products and responds quickly and accurately to customer requests. With over 40 years since its establishment, we have supported a part of the semiconductor industry, primarily in the Si field. Through cooperation with silicon manufacturers and processing companies both domestically and internationally, we provide a stable supply of silicon materials not only to Japan but also to overseas markets. We mainly sell evaluation test wafers and film deposition wafers to semiconductor and solar cell manufacturers (as well as contract processing such as regeneration), and in the field of dummy wafers, we have two warehouses for Si sorting processes in Japan, allowing us to introduce various types of wafers to meet customer needs. In addition to CZ silicon wafers, we also handle FZ silicon wafers, SOI wafers, diffusion wafers, SiGe, GaAs, InP, sapphire, germanium, SiC wafers, used equipment for semiconductors, ferrite cores, iron oxide, high-purity chemicals, and more.