disodium hydrogen phosphate


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disodium hydrogen phosphate

[dī′sōd·ē·əm ′hī·drə·jən ′fäs‚fāt]
(inorganic chemistry)
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Tenders are invited for supply of Disodium hydrogen phosphate dihydrate, EDTA- dipotassium salt, Sodium dihydrogen orthophosphate, Potassium dihydrogen phospate, Ammonium chloride, Sodium chloride, Ammonium bicarbonate, Pottasium bicarbonate, Tween 80, Sodium azide, Sodium chloride, Disodium salt of EDTA, Sodium hydroxide, etc.
It was also the choice of a bearing on the components of the universal neutral, namely, the disodium hydrogen phosphate dodecahydrate ([Na.sub.2]HP[O.sub.4]).
Phosphate, disodium hydrogen phosphate, sodium dihydrogen phosphate, HPLC-grade methanol, and ACN were purchased from the Chemical Reagent Corporation (Shanghai, China).
arminica seed meal: 20 gm of defatted seeds were suspended in 0.1M citrate buffer i,e citric acid 0.1M and disodium hydrogen phosphate 0.2M at pH 6 and was shaked for one hour at 450C.
Disodium hydrogen phosphate (7.2%, v/v) (Fluka, Switzerland) and sodium monobasic phosphate (0.86%, v/v) (Riedel-de Haen, Germany) solutions were dissolved in distilled water and pH was adjusted to 7.5 with phosphoric acid using pH-meter (Mettler, Switzerland).
Disodium hydrogen phosphate (1M), Calcium nitratetetrahydrate (0.2M) and Magnesium nitrate-hexaydrate were prepared and the pH of both solutions was brought to about 7.4 using Tris and HCL.
Solutions containing 1 M of disodium hydrogen phosphate (Fluka) and two concentration of silver nitrate (BDH) (0.001 and 0.005 M) were prepared, designated HA_001 and HA_005, respectively.
Cupric chloride dihydrate (Cu[Cl.sub.2] x 2[H.sub.2]O) (Pecking Chemical Company), Disodium hydrogen phosphate ([Na.sub.2]HP[O.sub.4] x [H.sub.2]O) (Riedel Dehaen AG Sleeze Hannover) ethylene diamine tetra acetate disodium EDTA-2 Na (Riedel Dehean AG sleeze Hannover) were used as purchased without further purification.
HCl, ammonia solution, sodium potassium tartarate, linoleic acid, ammonium thiocynate, ethanol, ferrous chloride, hydrochloric acid, potassium chloride, glacial acetic acid, disodium hydrogen phosphate, and dihydrogen potassium phosphate were all BDH general purpose chemicals and distilled prior to use.
All the patients were treated with oral calcium (elemental calcium 1 g/day) and phosphate supplements (prepared by mixing sodium dihydrogen phosphate and disodium hydrogen phosphate in the ratio of 1:3 in a dose of 30-50mg/kg/day given in 4-5 divided doses) along with 1, 25 hydroxy vitamin D (dose 0.25 -1 [micro]g/day).
HPLC separation was carried out using a Luna [C.sub.18] reversed-phase column [250 x 4.6 mm (i.d.); 5-[micro]tm bead size; protected with a 3 x 4 mm guard column] and an isocratic filtered mobile phase consisting of 60 mmol/L disodium hydrogen phosphate containing 95 mL/L methanol and 400 mg/L EDTA (disodium salt), adjusted to pH 6.8 with concentrated phosphoric acid.
Tenders are invited for Ph No.:3078 Hylan G.F-20-6 Ml Pfs Hylan Polymers 48 Mg, Sodium Chloritens 51 Mg, Disodium Dihydrogen Phosphate 0.96 Mg, Disodium Hydrogen Phosphate Mono Hydrate 0.24 Mg