Ammonium sulfate, ammonium carbonate or ammonia gas inhibited water uptake in sugar beet roots whenever the pH was sufficiently high to cause the production of ammonia. When ammonia was removed by aeration, inhibition of the water uptake by roots was rapidly reversed. ATP at 0.2 mm appeared to either wholly or partially prevent the ammonia-induced inhibition of water uptake by roots. ATP may be...

National Institute for Occupational Safety and Health method 7703 is a portable field procedure for the analysis of workplace air filter samples for hexavalent chromium (CrVI) content immediately after the samples are collected. The field method prescribes CrVI extraction from air filter samples with an ammonium sulfate/ammonium hydroxide extraction buffer using ultrasonic extraction (UE). Stro...

We have determined the crystal structure of ammonium carbonate monohydrate, (NH4)2CO3·H2O, using Laue single-crystal diffraction methods with pulsed neutron radiation. The crystal is orthorhombic, space group Pnma (Z = 4), with unit-cell dimensions a = 12.047 (3), b = 4.453 (1), c = 11.023 (3) Å and V = 591.3 (3) Å(3) [ρcalc = 1281.8 (7) kg m(-3)] at 10 K. The single-crystal data collected at 1...

Corynebacterium glutamicum is an industrially important microorganism used for amino acids production. The present work describes the production of L-lysine from Corynebacterium glutamicum IIB-C9 through submerged fermentation process. Fifteen fermentation media were screened in this study for L-lysine production. Out of these fifteen media, FM:13 was found a best one for maximum production of ...

The carbonatation of semi-crystalline [ethylene – glycidyl methacrylate]-based polymers (Lotader® grades) was achieved using carbon dioxide as reagent and quaternary ammonium salts organocatalysts to form cyclic carbonate moieties on...

Ammonium monoethyloxalate (AmEtOx) is proposed as a consolidanting agent for carbonate stones such biomicritic limestone and marble, resulting in the formation of microcrystalline passivating phase calcium oxalate (whewellite weddellite).

The article studies the process of obtaining carbonate-ammonium nitrate (CAN) based on mixing melt ammonium (NH4NO3) with chalk (СаСО3) and sulfate (NH4)2SO4). For granulation nitrate-sulfate-carbonate prilling method is applied using a tower. Determined composition properties new types fertilizers. It shown that ratio NH4NO3 : СаСО3 (NH4)2SO4 = 100 24 1 product contains 28,03% N, SO3 – 0,50%, ...