Calcium oxide

MDL：
MFCD00010911

Molecular Formula：
CaO

Molecular Weight：
56.08

Alias：
石灰,生石灰 Lime Quicklime

Product order：

Name	Specifications	Packing	Price	Delivery
Calcium oxide	GR	500g	RMB 33	Consulting service
Calcium oxide	SP	10g	RMB 77	Consulting service
Calcium oxide	99.99% metals basis	10g	RMB 77	Consulting service
Calcium oxide	AR	500g	RMB 22	Consulting service
Calcium oxide	CP	500g	RMB 22	Consulting service
Calcium oxide	99.99% metals basis	50g	RMB 209	Consulting service
Calcium oxide	99.99% metals basis	250g	RMB 759	Consulting service
Calcium oxide	99.99% metals basis	1kg	RMB 2167	Consulting service
Calcium oxide	AR	25kg	RMB 814	Consulting service
Calcium oxide	<160 nm particle size (BET), 98%	25g	RMB 759	Consulting service
Calcium oxide	<160 nm particle size (BET), 98%	100g	RMB 2618	Consulting service

Character：
白色无定形粉末或带灰色块状。对湿敏感。易从空气中吸收二氧化碳及水分。溶于水成氢氧化钙并产生大量热，溶于酸类、甘油和蔗糖溶液，不溶于醇。有腐蚀性。
密度:3.32-3.35
熔点:2572℃
沸点:2850℃
折光率:1.838

Quality Standard：
项目Item　　　　　　　　　　             分析纯　　  化学纯
                                           (AR)      (CP)
含量[CaO(灼烧后)]Assay,%　　　          ≥ 98.0       97.0
澄清度试验Clarty                           合格       合格  
乙酸不溶物lnsoluble in acetic acid,%    ≤ 0.05       0.1
灼烧失重Ignition residue,%              ≤  2          5    
氯化物(Cl)Chloride,%                    ≤ 0.003      0.01
硫酸盐(SO4)Sulfate,%                    ≤ 0.1        0.25
硝酸盐(NO3)Nitrate,%                    ≤ 0.004      0.01
铁(Fe)Iron,%                            ≤ 0.015      0.03
重金属(以Pb计)Heavy metals,%            ≤ 0.005      0.01
碱金属及镁(以MgO计)Alkali metals and
magnesium,%                             ≤ 0.5        1.0
氨沉淀物Substances precipitated by
ammonia,%                               ≤ 0.2        0.4

99.99% metals basis:

外观Appearance                          White Powder
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
ICP: Confirms Calcium Component Confirmed
痕量金属分析total metallic impurities   ≤200ppm by ICP Atomic emission
(Na、K、Ni、Cs、Mg、Cu、Sr、Ba、Cd、Al、Fe、Co)

nanopowder, <160 nm particle size (BET), 98%：

外观Appearance                               White to Off-White Powder
X-射线衍射分析X-Ray Diffraction              Conforms to standard
X-射线荧光分析XRF Analysis:                  >98 wt%  
比表面积Specific Surface Area (BET): m2/g    Conforms to Structure
平均粒径Average Particle Size (BET)          ≤160 nm 

Storage：
密封干燥处保存。
分析试剂，氧化钙用于钢铁、农药、医药、非铁金属、肥料、制革、制氢氧化钙、实验室氨气的干燥、二氧化碳吸收剂、醇的脱水等。