History In the United States cigar lighters started appearing as standard equipment in automobiles in 1925/26
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Sodium hydroxide pellets (NaOH, 99%, M: 40.00 g/mol), sulfuric acid (H 2 SO 4 , 98%, M: 98.08 g/mol), ethanol (C 2 H 5 OH, 96%, M: 46.07 g/mol), sodium chlorite (NaClO 2 , 25%, M: 90.44 g/mol), diammonium hydrogen phosphate [(NH 4 ) 2 HPO 4 , 99%, M: 132.06 g/mol], calcium nitrate tetrahydrate [Ca(NO 3 ) 2 4H 2 O, 99%, M: 236.15 g/mol], barium chloride (BaCl 2 , 99.90%, M: 208.23 g/mol), ammonia solution (NH 4 OH, 25%, M: 35.05 g/mol), acetic acid (CH 3 COOH, 100%, M: 60.05 g/mol), and phosphoric acid (H 3 PO 4 , 85%, M: 98.00 g/mol) were purchased from Sigma-Aldrich (USA)
Avoid leaving pods in a hot car, near a radiator or somewhere very cold
The Uniform Grocery Product Code Council had chosen, in 1973, the barcode design developed by George Laurer