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Cas:7440-70-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
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Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:7440-70-2
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
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Cas:7440-70-2
Min.Order:0
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Cas:7440-70-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryin store Package:100g Application:Organic Chemicals
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Cas:7440-70-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCalcium (Ca), 7440-70-2, Purity: 3N and 2N, Grain 1-3 mm (in oil) Appearance:pieces
Supply top quality products with a reasonable price Application:api
Our company provides the best service for our customers. Under the premise of ensuring quality and delivery date, give customers the best price. The company is more willing to meet our customers. If you want to visit our factories and warehouses, we
Conditions | Yield |
---|---|
In neat (no solvent) heating at 1200°C;; | A 100% B n/a |
Conditions | Yield |
---|---|
In neat (no solvent) pressure about 1 Torr, 1600-1800°C; small amts. of Ca;; | A 94% B n/a |
In neat (no solvent) pressure about 1 Torr, 1600-1800°C; small amts. of Ca;; | A 94% B n/a |
Conditions | Yield |
---|---|
With pyrographite In melt byproducts: S; Electrolysis; Bitterfeld process variants;; |
Conditions | Yield |
---|---|
With H In neat (no solvent) byproducts: HCl, H2O; bombarding mixt. of CaCl2:Al2O3=1:4 (on substrate, periodically stirred) with H for 300 mins in plasmochemical app. described by I. Sh. Normatov, N. Shermatov, and U. Mirsaidov, Fiz. Khim. Obrab. Mater., No. 3, 141-142 (1990); mechanism discussed;; X-ray diffraction;; |
calcium
Conditions | Yield |
---|---|
explosive decompn. by heating in vacuo at 158°C; |
calcium
Conditions | Yield |
---|---|
In melt Electrolysis; Bitterfeld process variants: at 700 - 800°C;; | |
In melt Electrolysis; Bitterfeld process variants: at 700 - 800°C;; |
Conditions | Yield |
---|---|
In melt Electrolysis; Bitterfeld process variants: separated cathode- and anode room; carbon anode and Ni cathode; 2.5 A, 9 V;; | |
In melt Electrolysis; Bitterfeld process variants: separated cathode- and anode room; carbon anode and Ni cathode; 2.5 A, 9 V;; |
Conditions | Yield |
---|---|
In melt Electrolysis; Bitterfeld process variants: under H2 or Ar at ambient or low pressure;; |
Conditions | Yield |
---|---|
In not given reduction;; |
calcium
Conditions | Yield |
---|---|
In neat (no solvent) at 1280°C;; | |
With Al-Si-Fe-Ti alloy In neat (no solvent) reduction by alloy;; | |
With aluminium In neat (no solvent) Pidgeon process: at 1200°C in vacuum;; |
Conditions | Yield |
---|---|
incomplete reaction {4,6,14,16,17} with formation of yellow powder with bad odor {14};; |
Conditions | Yield |
---|---|
In gaseous matrix Kinetics; byproducts: O2; He bath gas, 250-898 K; time-resolved laser-indiced fluorescence spectroscopic monitoring; |
Conditions | Yield |
---|---|
In neat (no solvent) react. in the heat;; |
Conditions | Yield |
---|---|
In neat (no solvent) reduction with aluminium;; | |
In neat (no solvent) reduction with aluminium;; |
Conditions | Yield |
---|---|
In melt byproducts: O2, CO2, Cl2; Electrolysis; electrowinning of Ca metal from molten CaCl2 containing 0-5 wt% CaO at 825-900°C in MgO crucible, under Ar atm., stainless steel cathode and graphite anode (K and Na chlorides for lowering melting point, density and viscosity); anodically generated gaseous by-products O2, CO2 and Cl2 removed; |
Conditions | Yield |
---|---|
With pyrographite In melt Electrolysis; Bitterfeld process variants: cyclic process;; | |
With pyrographite In melt Electrolysis; Bitterfeld process variants: cyclic process;; |
sodium cyanide
A
carbon monoxide
B
nitrogen
C
sodium
D
calcium
Conditions | Yield |
---|---|
In neat (no solvent) reduction of CaO with NaCN at 560-750°C in vac.;; no complete reaction;; | |
In neat (no solvent) reduction of CaO with NaCN at 560-750°C in vac.;; no complete reaction;; |
Conditions | Yield |
---|---|
With aluminium In neat (no solvent) reduction in vacuum;; | |
With silicon In neat (no solvent) reduction in vacuum;; | |
With Al In neat (no solvent) reduction in vacuum;; |
Conditions | Yield |
---|---|
In neat (no solvent) | |
In not given reduction;; | |
In not given reduction;; |
Conditions | Yield |
---|---|
With S In neat (no solvent) heating on between mp and bp of Ca; thermal decompn.;; | |
With sulfur In neat (no solvent) heating on between mp and bp of Ca; thermal decompn.;; |
Conditions | Yield |
---|---|
With S In neat (no solvent) heating on between mp and bp of Ca; thermal decompn.;; | |
With sulfur In neat (no solvent) heating on between mp and bp of Ca; thermal decompn.;; |
Conditions | Yield |
---|---|
Kinetics; heating; |
Conditions | Yield |
---|---|
In neat (no solvent) shaking of Na, CaCl2 and NaCl in a closed supremax-tube for 30 min at 500-810°C until equilibrium; heating for 15 min at the same temperature; chilling; examination of the equilibrium;; seperation of the saltfree metal- and the saltphase under ether;; |
Conditions | Yield |
---|---|
With hydrogen fluoride byproducts: Na, H2SO4; with ice cooling; H2SO4 and HF removed by Pb(CO3)2, Pb by H2S and H2S by air stream; | |
With HF byproducts: Na, H2SO4; with ice cooling; H2SO4 and HF removed by Pb(CO3)2, Pb by H2S and H2S by air stream; |
Conditions | Yield |
---|---|
With calcium oxide | |
With calcium silicate |
Conditions | Yield |
---|---|
With calcium oxide treatment by heating in vac.; after cooling treatment with melted Na and alcohol; | |
With calcium oxide | 0% |
With hydrogen; calcium oxide at red heat in H2 flow; | 0% |
With CaO treatment by heating in vac.; after cooling treatment with melted Na and alcohol; |
Conditions | Yield |
---|---|
In neat (no solvent) equilibrium reaction at higher temperatures;; |
Conditions | Yield |
---|---|
With calcium oxide at red heat; 8.3 % Ca in the product; |
Conditions | Yield |
---|---|
In neat (no solvent) at 600 - 950℃; for 111h; Sealed tube; Schlenk technique; Inert atmosphere; Glovebox; | 100% |
Conditions | Yield |
---|---|
In melt High Pressure; Ca melted in vac. at 350°C for 5 h, filled with H2 (5 atm) at 400°C for 5 min, at 10 atm. at 480°; elem. anal.; | 99.6% |
In neat (no solvent) hydrogenation in a closed iron tube under pressure at temperatures between 650°C and 690°C;; | 90% |
In neat (no solvent) hydrogenation in a closed iron tube under pressure at temperatures between 650°C and 690°C;; | 90% |
Conditions | Yield |
---|---|
With oxygen In dimethyl sulfoxide metal. Ca under O2 atm. treated with DMSO and triflic acid (2 equiv.) in3 portions, heated at 100°C for 2 h; | 99% |
Conditions | Yield |
---|---|
With calcium chloride; calcium oxide In neat (no solvent) mixt. with flux and binder using stirrer; flux was CaCl2 or CaO powder; binder collodion soln. consisted of 5 mass% nitrocellulose in ethanol and ether; | A 99% B n/a |
Conditions | Yield |
---|---|
Electric Arc; Sr:Sb=1:1; | 99% |
In melt 5:4-mixt. of Ca and Sb heated in alumina or Ta crucible to 1100°C, kept at this temp. for ca. 1 h, cooled with 50-100°C; | |
With Sn In melt byproducts: Ca5Sb3; Ca:Sb:Sn were layered in Al2O3 crusible in the ratio 11:10:50; the mixt.was heated under Ar to 1275 K; the react. was held at this temp. for 1 h and cooled at a rate of 277 K/h to 975 K; the single-crystal compd. was sepd. from the molten Sn; identified by powder XRD studies; |
Conditions | Yield |
---|---|
In neat (no solvent) (Ar); placing of cleaned Ca rod in alumina crucible inside a molybdenum foil-lined reaction tube; heating under flowing N2 for 48 h at 1000°C; | 98% |
In neat (no solvent) heating of electrolyt-Ca-chips in a N2-stream at 660°C for 1/2 h; cooling down, grinding; heating at approx. 850°C for 1/2 h in a N2-stream;; soiled with 3.24% unreacted Ca and some CaO;; | 90.9% |
In neat (no solvent) heating of electrolyt-Ca-chips in a N2-stream at 660°C for 1/2 h; cooling down, grinding; heating at approx. 850°C for 1/2 h in a N2-stream;; soiled with 3.24% unreacted Ca and some CaO;; | 90.9% |
calcium
Conditions | Yield |
---|---|
With iodine In tetrahydrofuran at 25℃; for 24h; Schlenk technique; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
In melt metallothermic redn. of Nd2O3 with Ca in CaCl2-NaCl melt at temps. between 983 and 1063 K; Nd recovered from the salt melt by dissoln. in a molten mtal pool of either Nd-Zn or Nd-Fe; vac. distn. of the Nd-Zn alloy; | A 95% B n/a |
Conditions | Yield |
---|---|
extracting with HCl; | 95% |
extracting with HCl; | 95% |
best yield with 50 % excess of Ca, with S as react. booster; purity: 99.5 % Nb; |
Conditions | Yield |
---|---|
In neat (no solvent) the mixt. of metals in sealed tantalum ampules was heated to 1050°C and held for 10 h, slow cooled over 5 days to about 300°C (Ar atm.); | 95% |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) all manipulations under dry Ar atm.; Ca and C (1:2.2) heated at 925°C for 16 h, then cooled; speed of haeting and cooling 5°C/min; | A 95% B n/a |
In neat (no solvent, solid phase) all manipulations under dry Ar atm.; Ca and C (1:1.8) heated at 925°C for 16 h, then cooled; speed of heating and cooling 5°C/min; | A n/a B 90% |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) placing of Ca and Ge in welded Ta containers, heating under vac. at 1150°C for 6 h, cooling to 650°C with rate of 10-12°C/h; | 95% |
In melt stoich. mixt. melted under Ar; XRD; |
Conditions | Yield |
---|---|
In melt Electric Arc; (Ar); arc melting mixt. of calcium, gold and indium; | 95% |
In melt (Ar); heating mixt. of calcium, gold and indium at 800°C for 24 h; quenching; |
bis((trimethylsilyl)methyl)zinc
calcium
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: Zn; all manipulations under Ar; Ca added to Zn compd. in THF, stirred at room temp. for 24 h; filtered, volatiles evapd. in vac., residue dissolved in toluene, cooledto -20°C for several d, elem. anal.; | 91% |
Conditions | Yield |
---|---|
In neat (no solvent) Ar atm.; heating (1100°C, 4 h), cooling (20°C/h); | 90% |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) mixture of Ca, CaCl2 and graphite was heated under dry Ar in a sealed tantalum capsule at 900°C for 1 day, annealing at 780°C for 3 days, cooling; | A 5% B 90% |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) placing of Ca and Si in welded Ta containers, heating under vac. at 1300°C for 6 h, cooling to 600°C with rate of 8°C/h; | 90% |
In melt melt, annealed in vac.; XRD; | |
In neat (no solvent) sealed, heated at 750 °C for 12 h; |
Conditions | Yield |
---|---|
Stage #1: calcium; platinum; cadmium In neat (no solvent, solid phase) at 950℃; for 12h; Sealed tube; Stage #2: In neat (no solvent, solid phase) at 500℃; for 240h; Time; Temperature; Sealed tube; | 90% |
Conditions | Yield |
---|---|
Stage #1: [(IP-)2Al]2(μ2η3-OCO2); calcium In tetrahydrofuran at 60℃; for 1h; Inert atmosphere; Stage #2: tetra-(n-butyl)ammonium iodide In diethyl ether for 24h; Inert atmosphere; | A 89% B 90% |
Conditions | Yield |
---|---|
with 60 % excess of Ca, 1000°C; purity: 98 % Nb; | 89% |
with 60 % excess of Ca, 1000°C; purity: 98 % Nb; | 89% |
Conditions | Yield |
---|---|
With iodine; diisobutylaluminium hydride In tetrahydrofuran at -5 - 25℃; for 0.5h; Schlenk technique; Inert atmosphere; | 88% |
Conditions | Yield |
---|---|
mercury dichloride In isopropyl alcohol byproducts: H2; absence of moisture; 2 equiv. Al(OiPr)3, refluxing for 120 h; evapn. (reduced pressure), sublimation (reduced pressure); elem. anal.; | 86% |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) al manipulations under Ar; mixt. of elements filled into Ta ampouls, heated at 1000°C for 16 h, then at 800°C for 3 d; cooled (5 K/min); | 85% |
Conditions | Yield |
---|---|
With S In neat (no solvent, solid phase) High Pressure; (inert atm.), glovebox; addn. of Ca and mixture of C and S (3.77 mass %)into milling vial, milling in 30-60 min increments with 30 min of cooli ng between each increment, in SPEX Certiprep mixer/mills, various times; detected by powder XRD; | A n/a B 81.1% |
hydrogen
cobalt
calcium
magnesium
Mg(2+)*Ca(2+)*CoH5(4-)=CaMgCoH5
Conditions | Yield |
---|---|
In neat (no solvent) melting, hydrogenating (450-460°C, 110 bar); | 80% |
Conditions | Yield |
---|---|
(Ar), excess In and Ge, heating (350-450°C, 5-8 h, vac.), heating(1050°C, 5 d); ICP analysis; | 80% |
Conditions | Yield |
---|---|
In neat (no solvent) melting, hydrogenating (450-460°C, 110 bar); | 80% |
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