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首頁 化學(xué)試劑原料 化學(xué)通用試劑
甲酸
Formate
別名: 蟻酸
Cas號(hào): 64-18-6 M D L: MFCD00003297
分子式: CH2O2;CH2O2HCOOH 分子量: 46.03
貨號(hào) 品名 規(guī)格 包裝 單價(jià) 貨期 庫存
JD1227142487 甲酸 LC-MS, ~98% (T 500ml 858元 X 3天
JD1227142485 甲酸 99% 10kg 1394.8元 X 3天
JD1227142484 甲酸 99% 500g 184.8元 X 3天
JD1227142483 甲酸 HPLC,≥98% 100ml 140.8元 X 3天
JD1227142481 甲酸 LC-MS, ~98% (T) 100ml 272.8元 X 3天
JD1227142480 甲酸 LC-MS, ~98% (T) 25ml 184.8元 X 3天
JD1227142478 甲酸 ACS,88% 500ml 52.8元 X 3天
JD1227142462 甲酸 HPLC,≥98% 500ml 418元 X 3天
JD1227142461 甲酸 AR,88% 500ml 19.8元 X 3天
物流提示:偏遠(yuǎn)地區(qū)如新疆西藏寧夏甘肅等地可能無法運(yùn)送液體,下單前請(qǐng)聯(lián)系客服。
性狀: 無色、發(fā)煙、易燃而有刺激氣味的透明液體,能與水、醇、醚和甘油任意混合,對(duì)皮膚有腐蝕性。
質(zhì)量標(biāo)準(zhǔn): GB/T 15896-95
項(xiàng)目Item                                    分析純       化學(xué)純
                                             (AR)         (CP)
含量(CHO2)Assay,%                         ≥ 88.0         85.0
蒸發(fā)殘?jiān)麰vaporation residue,%             ≤ 0.002        0.002
與水混合試驗(yàn)Miscibility with water           合格         合格
氯化物(Cl)Chloride,%                      ≤ 0.005        0.001
硫酸鹽(SO4)Sulfate,%                      ≤ 0.001        0.002
亞硫酸鹽(SO3)Sulfite,%                      合格         合格
鐵(Fe)Iron,%                             ≤ 0.0001        0.0005
重金屬(以Pb計(jì))Heavy metals,%              ≤ 0.0001        0.0005

ACS級(jí)
項(xiàng)目名稱Item                              ACS Grade
含量(HCOOH)Assay                          88.0%
色度Color(APHA)                           ≤15
稀釋試驗(yàn)dilution test                     Passes test
蒸發(fā)殘?jiān)黂esidue after evaporation         ≤0.002%
乙酸Acetic Acid                           ≤0.4%
銨鹽(NH4)Ammonium                         ≤0.005%
氯化物(Cl)Chloride(Cl)                    ≤0.001%
硫酸鹽(SO4)Sulfate                        ≤0.002%
亞硫酸鹽(SO3)Sulfite                      ≤Passes test
重金屬(以Pb計(jì))Heavy metals(as Pb)         ≤5ppm
鐵(Fe)Iron(Fe)                            ≤5ppm


品級(jí)Grade                                for LC-MS
純度Purity                               ≥98.0% (T)  
evapn. residue                           ≤0.002%
相對(duì)密度Specific gravity (20/20°C)      1.3700 - 1.3730
折光率Refractive index n20/D             1.2200 - 1.2230
chloride (Cl - ):                        ≤50 ppm
sulfate (SO 4 2- ):                      ≤50 ppm
sulfite (SO 3 2- ):                      ≤10 ppm
Ag:                                      ≤0.02 ppm
Al:                                     ≤0.05 ppm
Ba:                                     ≤0.05 ppm
Bi:                                     ≤0.1 ppm
Ca:                                     ≤0.2 ppm
Cd:                                     ≤0.05 ppm
Co:                                     ≤0.02 ppm
Cr:                                     ≤0.05 ppm
Cu:                                     ≤0.02 ppm
Fe:                                     ≤0.2 ppm
K:                                      ≤0.1 ppm
Li:                                     ≤0.02 ppm
Mg:                                     ≤0.5 ppm
Mn:                                     ≤0.05 ppm
Mo:                                     ≤0.02 ppm
NH 4 + :                                      ≤10 ppm
Na:                                     ≤0.5 ppm
Ni:                                     ≤0.05 ppm
Pb:                                     ≤0.02 ppm
Sr:                                     ≤0.02 ppm
Tl:                                     ≤0.05 ppm
Zn:                                     ≤0.05 ppm

貯存: 密封保存
用途  還原劑,測(cè)定砷、鉍、鋁、銅、金、銦、鐵、鉛、錳、汞、鉬、銀和鋅等,檢定鈰,錸和鎢,檢驗(yàn)芳香族伯胺和仲胺,測(cè)定分子量及結(jié)晶的溶劑,測(cè)定甲氧基,顯微分析中用作固定劑,制造甲酸鹽類。