borax

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Related to Na2b4o7: borax, Sodium tetraborate
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Words related to borax

an ore of boron consisting of hydrated sodium borate

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For the 1st experiment, 50 g seeds of each wheat cultivars were soaked in aerated solution of 1.0, 0.5, 0.1, 0.05 and 0.01 M B [boric acid (H3BO3), B = 17% (MERCK, Purity = 99.5%) and borax (Na2B4O7), B = 11% (MERCK, Purity = 98%)] or water (hydropriming) for 12 h at 25 +- 2degC and then dried back to their original weight.
Induced resistance of rice plant to blast (Pyricularia grisea) by seed treatment using natri tetraborate (Na2B4O7) under field condition.
The screening of isolated bacterial strains for PHA production was done by growing them on PHA-detection agar (PDA) medium [(NH4)2SO4, 2 g/L; KH2PO4, 13.3 g/L; MgSO4.7H2O, 1.3 g/L; citric acid, 1.7 g/L; agar, 15 g/L; glucose, 2 g/L; trace element solution, 10 mL/L (FeSO4.7H2O, 10 g/L; ZnSO4.7H2O, 2.25 g/L; CuSO4.5H2O, 1 g/L; MnSO4.5H2O, 0.5 g/L; CaCl2.2H2O, 2.0 g/L; Na2B4O7.10H2O, 0.23 g/L; (NH4)6MO7O24, 0.1 g/L; HCl,10 mL)] (Lee and Choi, 1999).
The refined products are Sodium tetra borate, (Na2B4O7;5H2O) borax (Na2B4O7;10H2O), sodium penta-borate (Na2B10O16;10H2O), solubor (Na2B8O13;4H2O) and boric acid (H3BO3).
The buffer solutions in the pH range 1-12 at an unit interval of one pH unit were prepared from KCl (1M) adjusted with HCl (0.1M) at pH 1 and 2, CH3COOH (1M) and CH3COONa (1M) (pH 3-6), CH3COONH4 - NH3 pH 7, H3BO3 - Na2B4O7 (1 M) at pH 8-9, Na2CO3 (saturated) NaHCO3 (I M) pH 9-10, NH3 (1M) NH4Cl (1 M) 10-11 and NaOH(1M) NaCl (1M) pH 12.