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鋇價格

更多供應(yīng)商 7440-39-3 價格

性狀
黃銀白色軟金屬。相對密度3.62。熔點(diǎn)729℃。沸點(diǎn)1640℃。體心立方:α=0.5025 nm。熔化熱7.66 kJ/mol;汽化熱149.20 kJ/mol。蒸氣壓:0.00133 kPa(629℃),1.33 kPa(1050℃),101.3 kPa(1640℃)。電阻率29.4μΩ?cm。電負(fù)性1.02。:Ba2+半徑0.143 nm。導(dǎo)熱系數(shù)18.4(25℃)w/(m?K)。熱膨脹系數(shù):線膨脹系數(shù)1.85×10-5m/(m?℃)。在常溫下很容易與水反應(yīng)釋出氫氣,微溶于酒精,不溶于苯。
所屬類別
無機(jī)化工產(chǎn)品: 無機(jī)鹽: Cu單質(zhì)
用途與作用
廣泛用于合金,有鉛、鈣、鎂、鈉、鋰、鋁及鎳等合金。用于清除無線電真空管中殘留的微量氣體。
合成工藝與制法
鋁熱還原法將硝酸鋇熱分解制得氧化鋇,用細(xì)粒鋁作還原劑,配料比按3BaO:2Al進(jìn)行,把氧化鋇和鋁先制成團(tuán)礦,將此團(tuán)礦裝入蒸餾器,加熱至1150℃進(jìn)行還原蒸餾,制得鋇純度為99%。
參考質(zhì)量標(biāo)準(zhǔn)
參考標(biāo)準(zhǔn)
指標(biāo)名稱指標(biāo)
金屬鋇(Ba)含量/%99


鋇價格(試劑級)

更新日期產(chǎn)品編號品牌產(chǎn)品信息CAS號MDL號規(guī)格與純度包裝價格庫存信息操作
2024/11/08 014454 固態(tài)樹狀鋇晶體, 99.9% (metals basis)
Barium crystalline dendritic solid, 99.9% (metals basis), Thermo Scientific Chemicals
7440-39-3 5g 5431元 待詢價 詳細(xì)
2024/11/08 010103 鋇棒, 22mm (0.9in) 直徑, 99+% (metals basis), Sr ≤0.8%
Barium rod, 22mm (0.9in) dia, 99+% (metals basis), Sr ∣<0.8%, Thermo Scientific™
7440-39-3 100g 2969元 待詢價 詳細(xì)
2024/11/08 014454 固態(tài)樹狀鋇晶體, 99.9% (metals basis)
Barium crystalline dendritic solid, 99.9% (metals basis), Thermo Scientific Chemicals
7440-39-3 25g 24774元 待詢價 詳細(xì)
2024/11/08 010103 鋇棒, 22mm (0.9in) 直徑, 99+% (metals basis), Sr ≤0.8%
Barium rod, 22mm (0.9in) dia, 99+% (metals basis), Sr ∣<0.8%, Thermo Scientific Chemicals
7440-39-3 500g 13121元 待詢價 詳細(xì)
2024/11/08 010103 鋇棒, 22mm (0.9in) 直徑, 99+% (metals basis), Sr ≤0.8%
Barium rod, 22mm (0.9in) dia, 99+% (metals basis), Sr ∣<0.8%, Thermo Scientific™
7440-39-3 1kg 25354元 待詢價 詳細(xì)
2024/11/08 000653 鋇,碎塊, 2.5cm (1in) 或更小, 99.2% (metals basis), Sr ≤0.8%
Barium pieces, 2.5cm (1in) & down, 99.2% (metals basis), Sr ∣<0.8%, Thermo Scientific Chemicals
7440-39-3 5g 456元 待詢價 詳細(xì)
2024/11/08 000653 鋇,碎塊, 2.5cm (1in) 或更小, 99.2% (metals basis), Sr ≤0.8%
Barium pieces, 2.5cm (1in) & down, 99.2% (metals basis), Sr ∣<0.8%, Thermo Scientific Chemicals
7440-39-3 50g 4604元 待詢價 詳細(xì)
2024/11/08 000653 鋇,碎塊, 2.5cm (1in) 或更小, 99.2% (metals basis), Sr ≤0.8%
Barium pieces, 2.5cm (1in) & down, 99.2% (metals basis), Sr ∣<0.8%, Thermo Scientific Chemicals
7440-39-3 250g 14901元 待詢價 詳細(xì)
2024/11/08 31786 鋇,99+%,棒狀,約 2 cm 直徑,礦物油
Barium, 99+%, rods, approx. 2 cm diameter, Thermo Scientific Chemicals
7440-39-3 100g 4478元 待詢價 詳細(xì)
2024/11/08 31786 鋇,99+%,棒狀,約 2 cm 直徑,礦物油
Barium, 99+%, rods, approx. 2 cm diameter, Thermo Scientific Chemicals
7440-39-3 500g 24199元 待詢價 詳細(xì)
2024/04/30 14454 固態(tài)樹狀鋇晶體, 99.9% (metals basis)
Barium crystalline dendritic solid, 99.9% (metals basis)
7440-39-3 MFCD00134031 25g 24774元 1 詳細(xì)
2024/04/30 10103 鋇棒, 22mm (0.9in) 直徑, 99+% (metals basis), Sr ≤0.8%
Barium rod, 22mm (0.9in) dia, 99+% (metals basis), Sr ≤0.8%
7440-39-3 MFCD00134031 1kg 25354元 0 詳細(xì)
2024/04/30 041302 鋇棒, 22mm (0.9in) 直徑 x 450mm (17.7in), 99+% (metals basis), Sr ≤0.8%
Barium rod, 22mm (0.9in) dia x 450mm (17.7in), 99+% (metals basis), Sr ≤0.8%
7440-39-3 MFCD00134031 1pc 16509元 0 詳細(xì)
2024/04/30 00653 鋇片, 2.5cm (1in) 或更小, 99.2% (metals basis), Sr ≤0.8%
Barium pieces, 2.5cm (1in) & down, 99.2% (metals basis), Sr ≤0.8%
7440-39-3 MFCD00134031 250g 14901元 0 詳細(xì)
2024/04/30 041302 鋇棒, 22mm (0.9in) 直徑 x 450mm (17.7in), 99+% (metals basis), Sr ≤0.8%
Barium rod, 22mm (0.9in) dia x 450mm (17.7in), 99+% (metals basis), Sr ≤0.8%
7440-39-3 22mm (0.9in) 直徑 x 450mm (17.7in), 99+ 5pc 29714元 0 詳細(xì)
2024/04/30 10103 鋇棒, 22mm (0.9in) 直徑, 99+% (metals basis), Sr ≤0.8%
Barium rod, 22mm (0.9in) dia, 99+% (metals basis), Sr ≤0.8%
7440-39-3 MFCD00134031 500g 13121元 2 詳細(xì)
2024/04/30 00653 鋇片, 2.5cm (1in) 或更小, 99.2% (metals basis), Sr ≤0.8%
Barium pieces, 2.5cm (1in) & down, 99.2% (metals basis), Sr ≤0.8%
7440-39-3 MFCD00134031 50g 4604元 0 詳細(xì)
2024/04/30 14454 固態(tài)樹狀鋇晶體, 99.9% (metals basis)
Barium crystalline dendritic solid, 99.9% (metals basis)
7440-39-3 MFCD00134031 5g 5431元 1 詳細(xì)
2024/04/30 031785 N,N,N'-三甲基乙二胺, 98%
N,N,N'-Trimethylethylenediamine, 96%
142-25-6 98 5g 455元 0 詳細(xì)
2024/04/30 00653 鋇片, 2.5cm (1in) 或更小, 99.2% (metals basis), Sr ≤0.8%
Barium pieces, 2.5cm (1in) & down, 99.2% (metals basis), Sr ≤0.8%
7440-39-3 MFCD00134031 5g 456元 6 詳細(xì)
2024/04/30 031785 N,N,N'-三甲基乙二胺, 98%
N,N,N'-Trimethylethylenediamine, 96%
142-25-6 98 25g 1901元 0 詳細(xì)
2024/04/30 10103 鋇棒, 22mm (0.9in) 直徑, 99+% (metals basis), Sr ≤0.8%
Barium rod, 22mm (0.9in) dia, 99+% (metals basis), Sr ≤0.8%
7440-39-3 MFCD00134031 100g 2969元 18 詳細(xì)
2024/04/30 C31786 鋇片, 2.5cm (1in) 或更小, 99.2% (metals basis), Sr ≤0.8%
Barium, 99+%, rods, approx. 2 cm diameter, in mineral oil
7440-39-3 2.5cm (1in) 或更小, 99.2 100g 4478元 5 詳細(xì)
2024/04/30 C31786 鋇片, 2.5cm (1in) 或更小, 99.2% (metals basis), Sr ≤0.8%
Barium, 99+%, rods, approx. 2 cm diameter, in mineral oil
7440-39-3 2.5cm (1in) 或更小, 99.2 500g 24199元 0 詳細(xì)
2024/01/16 045247 鋇, 等離子標(biāo)準(zhǔn)溶液, Specpure?, Ba 10μg/ml
Barium, plasma standard solution, Specpure?, Ba 10μg/ml
100ml 764元 0 詳細(xì)
2021/02/25 013876
Barium, plasma standard solution, Specpure?
7440-39-3 Ba 1000μg/ml 50ml 461元 詳細(xì)
2021/02/25 013876
Barium, plasma standard solution, Specpure?
7440-39-3 Ba 1000μg/ml 100ml 704元 詳細(xì)
2021/02/25 013876
Barium, plasma standard solution, Specpure?
7440-39-3 Ba 1000μg/ml 500ml 1693元 詳細(xì)
2010/06/21 317850100
Barium 99.9%, dendritic pieces in mineral oil
7440-39-3 10GR 6182元 詳細(xì)
硬脂酸鋇價格(試劑級) 氫氧化鋇價格(試劑級) 氟化鋇價格(試劑級) 顏料紅 53:1價格(試劑級) 碳酸鋇價格(試劑級) 乙酸鋇價格(試劑級) 過氧化鋇價格(試劑級) 氯化鋇價格(試劑級) 二苯胺磺酸鋇價格(試劑級) 氯冉酸鋇鹽價格(試劑級)