品名 | 規(guī)格 | 包裝 | 單價(jià) | 貨期 |
甘油 | >99.0% | 100ml | 82.5元 | 現(xiàn)貨 |
甘油 | >99.0% | 500ml | 330元 | 現(xiàn)貨 |
甘油 | Natural, USP, EP, BP, JP 級(jí) | 4L | 902元 | 咨詢客服 |
甘油 | 分子生物學(xué)級(jí),無(wú)菌 | 100g | 423.5元 | 咨詢客服 |
甘油 | EP, BP, JP, USP級(jí) | 250Kg | 9020元 | 咨詢客服 |
甘油 | EP, BP, JP, USP級(jí) | 500ML | 85.8元 | 咨詢客服 |
甘油 | 分析標(biāo)準(zhǔn)品 | 1Mg | 528元 | 現(xiàn)貨 |
甘油 | 分子生物學(xué)級(jí) | 1L | 528元 | 咨詢客服 |
甘油 | 分子生物學(xué)級(jí) | 250ML | 181.5元 | 咨詢客服 |
甘油 | 色譜固定液 | 100ML | 52.8元 | 咨詢客服 |
甘油 | ACS | 500ML | 41.8元 | 咨詢客服 |
甘油 | AR | 25Kg | 858元 | 咨詢客服 |
甘油 | GCS | 5ML | 57.2元 | 促銷 |
ACS級(jí)
項(xiàng)目名稱Item ACS Grade
含量(以體積計(jì)CH2OHCHOHCH2OH)Assay ≥99.5%
色度,黑曾單位Color(APHA) ≤10
灼燒殘?jiān)黂esidue after ignition ≤0.005%
酸堿度試驗(yàn)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(jì))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(jì))Heavy metals(as Pb) ≤2ppm
水分(H2O)Water ≤0.5%
項(xiàng)目 分子生物學(xué)級(jí)
(Molecular biology grade)
砷Arsenic(%) ≤0.0003
灰分Ash(%) ≤0.01
DNA酶DNase 無(wú)
重金屬Heavy Metals (as Pb)(%) ≤0.0005
純度Purity (無(wú)水級(jí)) ≥99.0%
Purity (Anhydrous)(%) >99.0
RNA酶RNase 無(wú)
比重Specific Gravity 1.249-1.262
滅菌Sterility 合格
項(xiàng)目 優(yōu)級(jí)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(duì)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(jí)Grade USP級(jí)
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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