Crusher for sodium perborate
โ Scribed by A. V. Bespoyasov
- Publisher
- Springer
- Year
- 1980
- Tongue
- English
- Weight
- 98 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0009-2355
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
ingot of manganese steel is as brittle as glass, but when re-heated to a temperature of IOOO ยฐ C. or higher, and suddenly chilled by plunging into, water, it becomes as ductile as soft carbon steel or wrought iron, and has three times their tensile strength. Manganese steel cannot be forged except w
New Sodium and Calcium Perborates. -Reaction of tetrahydroxoborates Na[B(OH 4 )] and Ca[B(OH 4 )] 2 with conc. H 2 O 2 gives hitherto unknown perborates of Na and Ca, resp., having a polymeric structure. These perborates can be formulated as Na 2 [B 2 (O 2 ) 2 (OOH) 4 ] and {Ca[B(OOH) 2 (OH) 2 ] 2 }