assay metal
91Jewellery — (also spelled jewelry, see spelling differences) is a personal ornament, such as a necklace, ring or bracelet, made from gemstones, precious metals or other materials.The word jewellery is derived from the word jewel , which was anglicised from… …
92Numismatic terminology — This article is a collection of concise Numismatic and coin collecting terms for the beginner or professional. Numismatics (ancient Greek: polytonic|νομισματική) is the scientific study of money and its history in all its varied forms. While… …
93Ethylenediaminetetraacetic acid — EDTA redirects here. For other uses, see EDTA (disambiguation). Ethylenediaminetetraacetic acid …
94Glossary of numismatics — For banknote collecting, see Notaphily terminology. For stamp collecting, see Philately. Numismatics Terminology …
95Lactoylglutathione lyase — Identifiers EC number 4.4.1.5 CAS number 9033 12 9 …
96Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
97Vitamin C — This article is about ascorbic acid as a nutrient; for its chemical properties, see the article ascorbic acid; for other uses, see the disambiguation page. Vitamin C …
98Inductively coupled plasma mass spectrometry — ICP MS Instrument Acronym ICP MS Classification Mass spectrometry Analytes atomic and polyatomic species in plasma, with exceptions; usually inte …
99DNA microarray — A DNA microarray (also commonly known as gene chip, DNA chip, or biochip) is a collection of microscopic DNA spots attached to a solid surface. Scientists use DNA microarrays to measure the expression levels of large numbers of genes… …
100Bisphenol A — Bisphenol A IUPAC name …