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等級
eluent additive for LC-MS
品質等級
蒸汽密度
3.9 (vs air)
蒸汽壓力
97.5 mmHg ( 20 °C)
化驗
≥99.0% (GC)
形狀
liquid
技術
LC/MS: suitable
雜質
≤0.05% water
≤50 mg/kg total sulfur (as SO4)
折射率
n20/D 1.3 (lit.)
bp
72.4 °C (lit.)
mp
−15.4 °C (lit.)
密度
1.489 g/mL at 20 °C (lit.)
負離子痕跡
chloride (Cl-): ≤50 mg/kg
sulfite (SO32-): ≤10 mg/kg
正離子痕跡
Ag: ≤0.05 mg/kg
Al: ≤0.1 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤0.5 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.1 mg/kg
Co: ≤0.05 mg/kg
Cr: ≤0.1 mg/kg
Cu: ≤0.05 mg/kg
Fe: ≤1.0 mg/kg
K: ≤1.0 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤1.0 mg/kg
Mn: ≤0.1 mg/kg
Mo: ≤0.05 mg/kg
NH4+: ≤10 mg/kg
Na: ≤1.0 mg/kg
Ni: ≤0.1 mg/kg
Pb: ≤0.05 mg/kg
Sr: ≤0.05 mg/kg
Tl: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg
紫外吸收
λ: 260 nm Amax: ≤0.9
λ: 270 nm Amax: ≤0.1
λ: 280 nm Amax: ≤0.08
λ: 290 nm Amax: ≤0.07
λ: 300 nm Amax: ≤0.06
λ: 320 nm Amax: ≤0.05
SMILES 字串
OC(C(F)(F)F)=O
適合性
passes test for LC-MS
InChI
1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)
InChI 密鑰
DTQVDTLACAAQTR-UHFFFAOYSA-N
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一般說明
特点:
- 全面的质量控制测试确保最高规格。
- 经过优化以提高电离和分辨率。
- 无机和有机杂质含量极低。
- 为精确、快速的LC-MS专门制造。
應用
包裝
法律資訊
相關產品
訊號詞
Danger
危險聲明
危險分類
Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1A
儲存類別代碼
8B - Non-combustible corrosive hazardous materials
水污染物質分類(WGK)
WGK 2
閃點(°F)
>212.0 °F - Pensky-Martens closed cup
閃點(°C)
> 100 °C - Pensky-Martens closed cup
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The article describes the use of difluoroacetic acid (DFA) as an effective alternative to acid modifiers, formic acid (FA) and trifluoroacetic acid (TFA) in the LC-UV/MS analysis of proteins.
The article describes the use of difluoroacetic acid (DFA) as an effective alternative to acid modifiers, formic acid (FA) and trifluoroacetic acid (TFA) in the LC-UV/MS analysis of proteins.
The article describes the use of difluoroacetic acid (DFA) as an effective alternative to acid modifiers, formic acid (FA) and trifluoroacetic acid (TFA) in the LC-UV/MS analysis of proteins.
The article describes the use of difluoroacetic acid (DFA) as an effective alternative to acid modifiers, formic acid (FA) and trifluoroacetic acid (TFA) in the LC-UV/MS analysis of proteins.
实验方案
Straightforward HPTLC-MS analysis of lactose in dairy products (milk or yoghurt) using only protein crash, centrifugation and dilution as sample preparation.
Straightforward HPTLC-MS analysis of lactose in dairy products (milk or yoghurt) using only protein crash, centrifugation and dilution as sample preparation.
Straightforward HPTLC-MS analysis of lactose in dairy products (milk or yoghurt) using only protein crash, centrifugation and dilution as sample preparation.
Straightforward HPTLC-MS analysis of lactose in dairy products (milk or yoghurt) using only protein crash, centrifugation and dilution as sample preparation.
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