Search results with tag "Perchloric"
(Perchloric acid titration ASTM 2896-01 and ISO 3771)
www.denverinstrument.comIntroduction The Base Number determination is a measurement of the basic constituents of petroleum products. This titration uses perchloric acid in glacial acetic acid as
ME-MS41™ ME-ICP41 4 acid digestion? ME-MS61™ ME-ICP61
www.alsglobal.comnitric and hydrochloric acid at a 1:3 ratio. The digestion is carried out at relatively ... or trapped in manganese and iron oxides and oxyhydroxides. This can be particularly ... perchloric, and hydrofluoric acid with a final dissolution stage using
MONOSODIUM L-GLUTAMATE
www.fao.orgDissolve about 200 mg of the sample, previously dried and weighed accurately, in 6 ml of formic acid, and add 100 ml of glacial acetic acid. Titrate with 0.1 N perchloric acid determining the endpoint -
ELEMENTS by ICP 7300 (Nitric/Perchloric Acid Ashing)
www.cdc.govC (mg/m3), of each element in the air volume sampled, V (L): NOTE: µg/L / mg/m3 EVALUATION OF METHOD: Issues 1 and 2 Method, 7300 was ori ginal ly eval uated i n 1981 [2 ,3] . The preci sion an d recover y dat a were det ermined at 2.5 and 1000 µg of each element per sample on spiked f il ters. The m easurements used for t he method eval uati on