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 |
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 %
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