FOR the analysis of the nitrate content of sea water, and for certain tests on alkaloids, it is necessary to have sulphuric acid free from all but the most minute amounts of nitric acid.

Copper Prices Fluctuate Rangebound as BC Copper Most-Traded Contract Edges Down Slightly [SMM BC Copper Commentary] Data: SHFE, DCE market movement (Dec 30) Copper inventories in major regions across ...

Capstone Copper Corp. ("Capstone" or the "Company") (TSX:CS) (ASX:CSC) today announced consolidated copper production for ...

A bridge connecting two states in Brazil's northern and northeastern regions collapsed on Sunday as vehicles were crossing, killing at least one person and spilling sulfuric acid into the Tocantins ...

2-Year U.S. Treasury Note Continuous Contract $102.762 0.027 0.03% 5-Year U.S. Treasury Note Continuous Contract $106.281 0.117 0.11% 10-Year U.S. Treasury Note Continuous Contract $108.781 0.234 ...

A bridge connecting two Brazilian states collapsed. A tanker truck carrying sulfuric acid fell into the Tocantins River. One person died. Another person was rescued. The bridge linked Estreito and ...

Check the price of copper with Money Metals Exchange's interactive live and historical chart. The chart below allows you to check copper spot prices dating back 20 years up to the current date. Copper ...

The central span of the 533-meter (0.3-mile) Juscelino Kubitschek de Oliveira Bridge collapsed on Sunday as vehicles were crossing. A bridge connecting two states in Brazil's northern and ...

[2] Parametric investigation of ultrashort pulsed laser surface texturing on aluminium alloy 7075 for hydrophobicity enhancement ...