Mercury tartarate

The purified commercial di-n-butyl d-tartrate, m.p. 22°, may be used. It may be prepared by using the procedure described under i o-propyl lactate (Section 111,102). Place a mixture of 75 g. of d-tartaric acid, 10 g. of Zeo-Karb 225/H, 110 g. (136 ml.) of redistilled n-butyl alcohol and 150 ml. of sodium-dried benzene in a 1-litre three-necked flask equipped with a mercury-sealed stirrer, a double surface condenser and an automatic water separator (see Fig. Ill, 126,1). Reflux the mixture with stirring for 10 hours about 21 ml. of water collect in the water separator. FUter off the ion-exchange resin at the pump and wash it with two 30-40 ml. portions of hot benzene. Wash the combined filtrate and washings with two 75 ml. portions of saturated sodium bicarbonate solution, followed by lOu ml. of water, and dry over anhydrous magnesium sulphate. Remove the benzene by distillation under reduced pressure (water pump) and finally distil the residue. Collect the di-n-butyl d-tartrate at 150°/1 5 mm. The yield is 90 g. 

Determination of copper as copper(I) thiocyanate Discussion. This is an excellent method, since most thiocyanates of other metals are soluble. Separation may thus be effected from bismuth, cadmium, arsenic, antimony, tin, iron, nickel, cobalt, manganese, and zinc. The addition of 2-3 g of tartaric acid is desirable for the prevention of hydrolysis when bismuth, antimony, or tin is present. Excessive amounts of ammonium salts or of the thiocyanate precipitant should be absent, as should also oxidising agents the solution should only be slightly acidic, since the solubility of the precipitate increases with decreasing pH. Lead, mercury, the precious metals, selenium, and tellurium interfere and contaminate the precipitate. 

Valentine, Basil. A short way and repetition of former writings of... With an elucidation thereof, touching the philosophers stone. .. Whereunto are annexed real informations of the qualities, and preparations of mercury, antimony, vitriolwater, common sulphur, unflak t lime, arsenic, sal-peter, tartar, vinegar, and wine., 1656. 1 p. 1., 25 p. 

This redox couple has been studied in H2S04 and tartaric acid at the dropping mercury interface by Delahay et al.u They only reported the value of a for the reaction. This system is only stable when the concentration of Ti3+ is 10 to 20 times higher than that of Ti4+. The AE / V versus w l/2 plots for this reaction in 1.0 N HC1 are shown in Fig. 10 and the kinetic parameters60 are given in Table 3. The value of a is 0.49 and k°a = 5.56 x 10 4cm/s. The reaction appears to be irreversible. 

Figure 5. Dependence of rate of dissolution of 5pM Y-FeOOH in pH 4.0, 0.01M NaCl on concentration of a) tartaric acid, and b) salicylic acid. Fitted parameters obtained for rectangular hyperbolic model are given. Light source mercury arc lamp with 365nm band-pass filtering.

The effect of salt is to fix or volatilize, according as it is prepared and used. For the spirit of the salt of tartar, if extracted by itself without any addition, has power to render all metals volatile by dissolution and putrefaction, and to dissolve quick or liquid silver into the true mercury, as my practical directions shew. 

I am their crude and their sublimate, their precipitate and their unctuous, their male and their female, sometimes their hermaphrodite what they list to style me. It is I that am corroded and exalted and sublimed and reduced and fetched over and filtered and washed and wiped what between their salts and their sulfurs, their oils and their tartars, their brines and their vinegars, you might take me out now a soused Mercury, now a salted Mercury, now a smoked and dried Mercury, now a powdered and pickled Mercury, (cited in Abraham 1998, 74)... 

Mercury electrodes were also polarized anodically in the solutions containing NaOH, HCIO4, NaCl, Nal, NaF, Na2S04, NaHC03, Na2C03, and tartaric and citric acids [78]. The solutions contained only one species, or the mixture of species, and no supporting electrolyte was added. For many of the above salts, linear caKbra-tion plots were obtained and, therefore, analytical possibiKties were discovered. Anodization of mercury was also carried out in the real samples (wine, rain, tap and mineral water). 

To separate mercury from sulphur, it is necessary to seek among our elements a material which has more affinity with the sulphureous acid than mercury has lime is such a species, as it will detach the acid from the mercury by its alkali salt, but as the alkali salt is there in small quantity, it requires three parts of chalk for one of cinnabar, if one operates with tartar or another alkali salt, only equal parts are required. 

Oxalis corriculaza L. O. corymbosa DC Sha Jiang Cao (Wood sorrel) (leaf) Oxalate, vitamin C, calcium, citric acid, malic acid, tartaric acid.50 Antidote to arsenic and mercury, for bruises, clots, diarrhea, fever, influenza, snakebite, urinary infections. 

Since 1960, it has been demonstrated by various analytical procedures that high concentrations of arsenic were present in Napoleon s hair.88 Multi-element analysis of two specimens of Napoleon s hair by ICP-MS after mineralization in concentrated nitric acid resulted in arsenic concentrations (42.1 and 37.4(xgg-1) about 40 times higher than normal values, confirming the hypothesis of a significant exposure to arsenic. However, mercury (3.3. and 4.7(xgg 1), antimony (2.1 and 1.8(xgg 1) and lead (229 and 112p,gg-1) were also detected at elevated levels. The elevated concentrations of Sb and Hg are in agreement with the data already known about the therapeutic treatments given to Napoleon (calomel and tartar emetic are compounds of mercury and antimony, respectively).88... 

ALCAHEST - is prepared Mercury some will have that it is tartar but the special meaning of any writer may be judged easily by the description of his preparation. 

---