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Calcium carbonate

Cas:
471-34-1
Molecular Structure:
MDL:
--MFCD00010906
Molecular Formula:
CaCO3
Molecular Weight:
100.09
Alias:
輕質(zhì)碳酸鈣,沉淀碳酸鈣,輕鈣,沉降碳酸鈣 Precipitated chalk Calcium carbonate precipitated
Product order:
Name Specifications Packing Price Delivery
Calcium carbonate USP 500g RMB 473 Consulting service
Calcium carbonate 99.999% 100g RMB 4287.8 Consulting service
Calcium carbonate 99.999% 25g RMB 1724.8 Consulting service
Calcium carbonate 99.999% 5g RMB 437.8 Consulting service
Calcium carbonate 用于昆蟲細胞培養(yǎng),99% 500g RMB 418 Consulting service
Calcium carbonate 用于昆蟲細胞培養(yǎng),99% 100g RMB 231 Consulting service
Calcium carbonate 99.99% 100g RMB 308 Consulting service
Calcium carbonate 99.99% 25g RMB 94.6 現(xiàn)貨
Calcium carbonate SP 25g RMB 94.6 Consulting service
Calcium carbonate PT 50g RMB 94.6 Consulting service
Calcium carbonate AR 25Kg RMB 1078 Consulting service
Calcium carbonate AR 500g RMB 26.4 Consulting service
Character:
白色粉末或無色結(jié)晶。無氣味。無味。825℃分解為氧化鈣和二氧化碳。溶于稀酸而放出二氧化碳,不溶于及醇。有兩種結(jié)晶,一種是正交晶體文石,一種是六方菱面晶體方解石。方解石,有刺激性。
密度:2.711
熔點:1339℃
Quality Standard:
 
 
   GB/T 15897-1995
項目ltem                                 分析純          化學純
                                          (AR)            (CP)
含量(CaCO3)Assay,%                         ≥99.0          98.0
澄清度試驗Clarity                         合格           合格
鹽酸不溶物Insoluble in hy-
drochloride acid,%                       ≤0.01          0.03
堿度(以O(shè)H)Alkalinity,mmol/100g           ≤0.25          0.25
氯化物(Cl)Chloride,%                     ≤0.002         0.01
硫酸鹽(SO4)Sulfate,%                     ≤0.01          0.05
鈉(Na)Sodium,%                           ≤0.1           0.3
鉀(K)Potassium,%                         ≤0.005         0.05
鎂(Mg)Magnesium,%                        ≤0.05          0.20
鍶(Sr)Strontium,%                        ≤0.05          0.10
鋇(Ba)Barium,%                           ≤0.02          0.04
鐵(Fe)lron,%                             ≤0.001         0.005
重金屬(以Pb計)Heavy metals,%             ≤0.002         0.01

GB 12596-90
項目ltem                                  基準試劑
                        (PT)
含量(CaCO3),%                            99.95~100.05
澄清度試驗Clarity                           合格
干燥失重Loss on drying,%            ≤0.2
堿度(以O(shè)H計)Alkalinity,mmol/100g          ≤0.25
氯化物(Cl)Chloride,%                      ≤0.001
硫酸鹽(SO4)Sulfale,%                      ≤0.01
總氮量(N)Total nitrogen,%                 ≤0.01
鎂(Mg)Magnesium,%                         ≤0.02
鐵(Fe)Iron ,%                             ≤0.001
重金屬(以Pb計)Heavy metals,%              ≤0.001


ACS級
項目名稱Item                                                 ACS Grade
含量(干基,CaCO3)Assay                                        99.0%
稀鹽酸不溶物Insoluble in dilute hydrochloride                ≤0.001%
氯化物(Cl)Chloride(Cl)                                       ≤0.001%
氟化物(F)Fluoride(F)                                         ≤0.0015%
硫酸鹽(SO4)Sulfate                                           ≤0.005%
銨(NH4)Ammonium                                              ≤0.003%
重金屬(以Pb計)Heavy metals(as Pb)                            ≤0.001%
鐵(Fe)Iron(Fe)                                               ≤0.002%
鋇(Ba)Barium(Ba)                                             ≤0.01%
鎂(Mg)Magnesium(Mg)                                          ≤0.01%
鉀(K)Potassium(K)                                            ≤0.01%
鈉(Na)Sodium(Na)                                             ≤0.01%
鍶(Sr)Strontium(Sr)                                          ≤0.1%    

品級Grade                               用于昆蟲細胞培養(yǎng)  
                                (for insect cell culture, ~99%)
外觀Appearance                          白色粉末
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥99.0% (GC)
昆蟲細胞培養(yǎng)Insect cell test            pass
鹽酸溶解試驗solubility in HCL           500MG/ML, clear, colorless


99.999%:

外觀Appearance                          白色粉末
X-射線衍射分析X-Ray Diffraction         Conforms to standard
純度Purity                              ≥99.99% Based On Trace Metals Analysis
Ca                                      38.6 - 41.4 % (Complexiometric EDTA)
ICP Assay                               Confirms Calcium component
痕量金屬雜質(zhì)Trace Metal Analysis        ≤10ppm by ICP Atomic emission
(Al、As、Ba、Cu、Fe、K、Mg、Na、Ti、V、Zn)

USP級
ASSAY (DRIED BASIS) 98.0 - 100.5 % 
LOSS ON DRYING -- 2.0 % 
ACID-INSOLUBLE SUBSTANCES -- 0.2 % 
FLUORIDE -- 0.005 % 
ARSENIC (As) -- 3 PPM 
BARIUM -- TO PASS TEST 
IRON (Fe) -- 0.1 % 
LEAD (Pb) -- 3 PPM 
MERCURY -- 0.5 ppm 
MAGNESIUM AND ALKALI SALTS -- 1.0 % 
HEAVY METALS -- 0.002 % 

Storage:
密封保存。
用途  檢定和測定有機化合反應中的鹵素,與氯化銨一起分解硅酸鹽,制備氯化鈣溶液以標化皂液,水分析,檢定磷。制造光學釹玻璃原料。
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