Name | Specifications | Packing | Price | Delivery |
Glycerol | >99.0% | 100ml | RMB 82.5 | 現(xiàn)貨 |
Glycerol | >99.0% | 500ml | RMB 330 | 現(xiàn)貨 |
Glycerol | Natural, USP, EP, BP, JP 級 | 4L | RMB 902 | Consulting service |
Glycerol | 分子生物學(xué)級,無菌 | 100g | RMB 423.5 | Consulting service |
Glycerol | EP, BP, JP, USP級 | 250Kg | RMB 9020 | Consulting service |
Glycerol | EP, BP, JP, USP級 | 500ML | RMB 85.8 | Consulting service |
Glycerol | 分析標準品 | 1Mg | RMB 528 | 現(xiàn)貨 |
Glycerol | 分子生物學(xué)級 | 1L | RMB 528 | Consulting service |
Glycerol | 分子生物學(xué)級 | 250ML | RMB 181.5 | Consulting service |
Glycerol | 色譜固定液 | 100ML | RMB 52.8 | Consulting service |
Glycerol | ACS | 500ML | RMB 41.8 | Consulting service |
Glycerol | AR | 25Kg | RMB 858 | Consulting service |
Glycerol | GCS | 5ML | RMB 57.2 | 促銷 |
ACS級
項目名稱Item ACS Grade
含量(以體積計CH2OHCHOHCH2OH)Assay ≥99.5%
色度,黑曾單位Color(APHA) ≤10
灼燒殘渣Residue after ignition ≤0.005%
酸堿度試驗Neutrality Passes test
氯化合物(Cl)Chloride compounds(as Cl) ≤0.003%
硫酸鹽(SO4)Sulfate ≤0.001%
丙烯醛和葡萄糖Acrolein and glucose Passes test
脂肪酸酯(以丁酸計)Fatty acid esters(as butyric acid) ≤0.05%
易炭化物質(zhì)Substances Darkened by sulfuric acid Passes test
重金屬(以Pb計)Heavy metals(as Pb) ≤2ppm
水分(H2O)Water ≤0.5%
項目 分子生物學(xué)級
(Molecular biology grade)
砷Arsenic(%) ≤0.0003
灰分Ash(%) ≤0.01
DNA酶DNase 無
重金屬Heavy Metals (as Pb)(%) ≤0.0005
純度Purity (無水級) ≥99.0%
Purity (Anhydrous)(%) >99.0
RNA酶RNase 無
比重Specific Gravity 1.249-1.262
滅菌Sterility 合格
項目 優(yōu)級純
(GR)
純度Purity ≥99.5%
折光率Refractive index n20/D ≥1.4731
水分water ≤0.3%
酸堿度Fatty acids &esters (ml0.1N NaOH/25g) ≤0.2
色澤colour Shade ≤5 APHA
相對密度Specific gravity (20/20°C) ≥1.2623
酯esters (ml 0.1 N HCI/25g) ≥8.0
糖Sugars2 Negative
鹵化物Halogenated cpd(as CI)2 ≤5 ppm
重金屬Heavy metals(as Pb) ≤1ppm
灰分Sulphates ppm ≤0.01%
品級Grade USP級
Identification PASSES TEST
Specific gravity ≤1.249 ,25°C
Color Test PASSES TEST
Residue on ignition ≤ 0.01%
Chloride ≤0.001%
Sulfate ≤ 0.002%
Heavy Metals ≤ 5 PPM
Chlorine Compounds (AS CL) ≤ 0.003%
Origanic Volatile PASSES TEST
Fatty Acid Esters ≤ 1 ML
H2O ≤ 5.0% (KARL FISCHER TITRATION")
Total impurities ≤ 1.0%
Individual impurities ≤ 0.1%
(EXCLUDING DIETHYLENE GLYCOL GLYCOL & RELATED CMPDS INCLUDING DIETHYLENE GLYCOL)
Purity 99.0% - 101.0% C3H8O3 (ANHYDROUS BASIS)
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