HPLC Grade Water Product Description
CovaChem's HPLC Grade Water is highly refined for optimal performance in High Performance Liquid Chromatography. This product is 0.22 micron filtered, and contains a very low ultraviolet absorbance for low background signal and smooth baseline performance in HPLC applications.
Package Sizes: 1 Liter, 4 Liters and 4 x 4 LitersProduct Numbers: 16301-1, 16301-4, 16301-4x4
Product Name: HPLC Grade Water
Alternative Names: HPLC Water; HPLC Grade H2O; HPLC H2O; Water for HPLC
Specifications
Appearance: Clear, Colorless Liquid
LC Gradient Stability Test (254 nm): To pass test
Fluorescence at emission max for impurities (450 nm): 0.1 ppb max
Residue after evaporation: 1 ppm max
Absorbance at:
190 nm......0.01 max 200 nm......0.01 max 210 nm......0.01 max 250 nm......0.005 max 400 nm......0.005 maxRecommended Storage: Room Temperature, protected from excess light
Properties
Properties Physical State: Liquid
CAS#: 7732-18-5
Chemical Formula: H2 O
Molecular Weight: 18.02
Melting Point: 0 °C (Lit)
Boiling Point: 100 °C (Lit)
Country of Origin: USA
Tariff Code: 2853.00.0095
Covachem-4-甲氧六氟丁酰氯（4-CB）描述价钱数量购买包装尺寸：5 x 1克SKU：12207-5x1$ 99.00加包装尺寸：10克SKU：12207-10$ 189.00加包装尺寸：25克SKU：12207-25$ 379.00加全部添加到购物车描述发送4-carbethoxyhexafluorobutyrl chloride（4-CB）是一种烷基化试剂，用于衍生化样品以改善气相色谱分离。在进行GC分析之前，可以使用4-CB衍生化血液样本中的苯丙胺代谢物。包装尺寸：5 x 1克和25克产品编号：12207-5x1和12207-25产品名称：4-甲氧六氟丁酰氯（4-CB）备用名称：4-Carbethoxyhexafluorobutyrl chloride; 4-CB; 乙基六氟戊二酰氯技术指标外观：无色透明液体纯度：≥98％储存：4°C，防潮特性物理状态：液体CAS＃：18381-53-8化学式：C 7 H 5 ClF 6 O 3分子量：286.56沸点：159°C（升）比重：1.47（升）
