Item talk:Q232190
From geokb
{
"USGS Publications Warehouse": { "@context": "https://schema.org", "@type": "Article", "additionalType": "Journal Article", "name": "Determination of iridium in mafic rocks by atomic absorption", "identifier": [ { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse IndexID", "value": "70010240", "url": "https://pubs.usgs.gov/publication/70010240" }, { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse Internal ID", "value": 70010240 }, { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/0039-9140(70)80010-8", "url": "https://doi.org/10.1016/0039-9140(70)80010-8" }, { "@type": "PropertyValue", "propertyID": "ISSN", "value": "00399140" } ], "journal": { "@type": "Periodical", "name": "Talanta", "volumeNumber": "17", "issueNumber": "7" }, "inLanguage": "en", "isPartOf": [ { "@type": "CreativeWorkSeries", "name": "Talanta" } ], "datePublished": "1970", "dateModified": "2020-12-03", "abstract": "Iridium is determined in mineralized mafic rocks by atomic absorption after fire-assay concentration into a gold bead. Interelement interferences in the atomic-absorption determination are removed and Ir sensitivity is increased by buffering the solutions with a mixture of copper and sodium sulphates. Substantial amounts of Ag, Al, Au, Bi, Ca, Cd, Co, Cr, Fe, Ho, Hg, K, La, Mg, Mn, Mo, Ni, Pb, Te, Ti, V, Y, Zn and platinum metals can be tolerated in the atomic-absorption determination. The sensitivity and detection limits are 3.2 and 0.25 ppm of Ir, respectively.", "description": "5 p.", "publisher": { "@type": "Organization", "name": "Elsevier" }, "author": [ { "@type": "Person", "name": "Schnepfe, M. M.", "givenName": "M. M.", "familyName": "Schnepfe" }, { "@type": "Person", "name": "Grimaldi, F. S.", "givenName": "F. S.", "familyName": "Grimaldi" } ] }, "OpenAlex": { "abstract_inverted_index": { "Iridium": [ 0, 91 ], "is": [ 1, 28 ], "determined": [ 2 ], "in": [ 3, 19, 74, 93, 98 ], "mineralized": [ 4 ], "mafic": [ 5 ], "rocks": [ 6 ], "by": [ 7, 30 ], "atomic": [ 8 ], "absorption": [ 9, 180, 198, 261 ], "after": [ 10 ], "fire-assay": [ 11 ], "concentration": [ 12, 183 ], "into": [ 13 ], "a": [ 14, 35 ], "gold": [ 15 ], "bead.": [ 16 ], "Interelement": [ 17 ], "interferences": [ 18 ], "the": [ 20, 32, 75 ], "atomic-absorption": [ 21, 76 ], "determination": [ 22 ], "are": [ 23, 83 ], "removed": [ 24 ], "and": [ 25, 39, 68, 80, 85 ], "Ir": [ 26, 206 ], "sensitivity": [ 27, 79 ], "increased": [ 29 ], "buffering": [ 31 ], "solutions": [ 33, 212 ], "with": [ 34 ], "mixture": [ 36 ], "of": [ 37, 44, 88 ], "copper": [ 38 ], "sodium": [ 40 ], "sulphates.": [ 41 ], "Substantial": [ 42 ], "amounts": [ 43 ], "Ag,": [ 45, 129, 227 ], "Al,": [ 46, 228 ], "Au,": [ 47, 131, 229 ], "Bi,": [ 48, 132, 230 ], "Ca,": [ 49, 133, 231 ], "Cd,": [ 50, 134, 232 ], "Co,": [ 51, 135, 233 ], "Cr,": [ 52, 136, 234 ], "Fe,": [ 53, 137, 235 ], "Ho,": [ 54, 138, 236 ], "Hg,": [ 55, 139, 237 ], "K,": [ 56, 140, 238 ], "La,": [ 57, 141, 239 ], "Mg,": [ 58, 142, 240 ], "Mn,": [ 59, 143, 241 ], "Mo,": [ 60, 144, 242 ], "Ni,": [ 61, 145, 243 ], "Pb,": [ 62, 146, 244 ], "Te,": [ 63, 147, 245 ], "Ti,": [ 64, 148, 246 ], "V,": [ 65, 149, 247 ], "Y,": [ 66, 150, 248 ], "Zn": [ 67, 151, 249 ], "platinum": [ 69 ], "metals": [ 70 ], "can": [ 71 ], "be": [ 72 ], "tolerated": [ 73 ], "determination.": [ 77 ], "The": [ 78 ], "detection": [ 81 ], "limits": [ 82 ], "3.2": [ 84 ], "0.25": [ 86 ], "ppm": [ 87, 167, 275 ], "Ir,": [ 89 ], "respectively.": [ 90 ], "wird": [ 92 ], "mineralisierten": [ 94 ], "Magnesium-Eisen-Gesteinen": [ 95 ], "nach": [ 96 ], "Schmelzanreicherung": [ 97 ], "der": [ 99, 106, 118, 153, 157 ], "Goldperle": [ 100 ], "durch": [ 101 ], "Atom-absorption": [ 102 ], "bestimmt.": [ 103 ], "Durch": [ 104 ], "Puffern": [ 105 ], "L\u00f6sungen": [ 107 ], "mit": [ 108 ], "einer": [ 109 ], "Mischung": [ 110 ], "von": [ 111 ], "Natrium-": [ 112 ], "und": [ 113, 121, 152, 161 ], "Kupfersulfat": [ 114 ], "werden": [ 115 ], "gegenseitige": [ 116 ], "St\u00f6rungen": [ 117 ], "Elemente": [ 119 ], "beseitigt": [ 120 ], "die": [ 122 ], "Iridium-Empfindlichkeit": [ 123 ], "erh\u00f6ht.": [ 124 ], "Die": [ 125 ], "Anwesenheit": [ 126 ], "erheblicher": [ 127 ], "Mengen": [ 128 ], "AI,": [ 130 ], "Platin-metalle": [ 154 ], "ist": [ 155 ], "bei": [ 156 ], "Atomabsorptionsbestimmung": [ 158 ], "zul\u00e4ssig.": [ 159 ], "Empfind-lichkeit": [ 160 ], "Nachweisgrenze": [ 162 ], "betragen": [ 163 ], "3,2": [ 164, 272 ], "bzw.": [ 165 ], "0,25": [ 166, 274 ], "Ir.": [ 168 ], "On": [ 169 ], "dose": [ 170 ], "l'iridium": [ 171 ], "dans": [ 172, 187, 194, 257 ], "les": [ 173, 211 ], "roches": [ 174 ], "\u201cmanques\u201d": [ 175 ], "(d'origine": [ 176 ], "ferromagn\u00e9sienne)": [ 177 ], "min\u00e9ralis\u00e9es": [ 178 ], "par": [ 179, 184, 197, 260 ], "atomique": [ 181, 199 ], "apr\u00e8s": [ 182 ], "voie": [ 185 ], "s\u00e8che": [ 186 ], "une": [ 188 ], "perle": [ 189 ], "d'or.": [ 190 ], "Les": [ 191, 263 ], "interf\u00e9rences": [ 192 ], "inter-\u00e9l\u00e9ments": [ 193 ], "le": [ 195 ], "dosage": [ 196 ], "sont": [ 200, 270 ], "\u00e9limin\u00e9es": [ 201 ], "et": [ 202, 220, 250, 267, 273 ], "la": [ 203, 258 ], "sensibilit\u00e9": [ 204, 266 ], "pour": [ 205 ], "est": [ 207 ], "accrue": [ 208 ], "en": [ 209 ], "tamponnant": [ 210 ], "avec": [ 213 ], "un": [ 214 ], "m\u00e9lange": [ 215 ], "de": [ 216, 218, 221, 226, 265, 268, 271 ], "sulfates": [ 217 ], "cuivre": [ 219 ], "sodium.": [ 222 ], "Des": [ 223 ], "quantit\u00e9s": [ 224 ], "importantes": [ 225 ], "m\u00e9taux": [ 251 ], "du": [ 252 ], "platine": [ 253 ], "peuvent": [ 254 ], "\u00eatre": [ 255 ], "tol\u00e9r\u00e9es": [ 256 ], "d\u00e9termination": [ 259 ], "atomique.": [ 262 ], "limites": [ 264 ], "d\u00e9tection": [ 269 ], "d'Ir,": [ 276 ], "respectivement.": [ 277 ] }, "apc_list": { "value": 4130, "currency": "USD", "value_usd": 4130, "provenance": "doaj" }, "apc_paid": null, "authorships": [ { "author_position": "first", "author": { "id": "https://openalex.org/A5103679082", "display_name": "F. 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