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磷酸二氢铵

analytical standard, for nitrogen determination according to Kjeldahl method, ≥99.5%

同義詞:

prim -磷酸铵, -磷酸铵, 磷酸二氢铵

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About This Item

線性公式:
NH4H2PO4
CAS號碼:
分子量::
115.03
EC號碼:
MDL號碼:
分類程式碼代碼:
85151701
PubChem物質ID:
NACRES:
NA.24

等級

analytical standard

品質等級

描述

traceable to NIST SRM 194

化驗

≥99.5% (T)
≥99.5%

儲存期限

limited shelf life, expiry date on the label

技術

HPLC: suitable
gas chromatography (GC): suitable
titration: suitable

雜質

12.18%±0.10% total Kjeldahl nitrogen

損耗

≤0.2% loss on drying

pH值

3.8-4.4 (25 °C, 50 mg/mL in H2O)

mp

190 °C (dec.) (lit.)

溶解度

H2O: soluble, clear, colorless

應用

food and beverages

格式

neat

SMILES 字串

N.OP(O)(O)=O

InChI

1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)

InChI 密鑰

LFVGISIMTYGQHF-UHFFFAOYSA-N

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相關類別

一般說明

磷酸二氢铵是在严格的条件下产生的分析标准,并以尽可能高的精度测量。

應用

它是凯氏法测定氮的标准品。

特點和優勢

  • 可整洁存储于安全玻璃瓶内,打开前确保整个保质期的稳定性。
  • 提供准确的滴度测定
  • 随附分析证书(CoA)

注意

室温储存。我们建议首次使用后用干燥的氩气或氮气吹扫,进行除湿。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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分析證明 (COA)

Lot/Batch Number

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存取文件庫

Shijing Sun et al.
Materials (Basel, Switzerland), 12(24) (2019-12-11)
Sucrose is one of the most abundantly available renewable chemicals in the world, and it is expected to be utilized as a raw material for wood-based material products. Herein, a novel adhesion system that was based on sucrose and ammonium
Zhongyuan Zhao et al.
Polymers, 11(12) (2019-11-24)
The development of eco-friendly adhesives for wood composite products has been a major topic in the field of wood science and product engineering. Although the research on tannin-based and soybean protein-based adhesives has already reached, or at least nears, industrial
Zhongyuan Zhao et al.
Polymers, 12(1) (2020-01-19)
In this study, a further investigation was carried out on the synthesis mechanism, optimal manufacturing conditions, and curing behavior of a sucrose-ammonium dihydrogen phosphate (SADP) adhesive. The results of 13C nuclear magnetic resonance (NMR) spectroscopy confirmed that SADP was composed
Chao Liang et al.
Journal of chromatography. A, 1528, 25-34 (2017-11-07)
Reversed-phase liquid chromatography (RPLC) based octanol-water partition coefficient (logP) or distribution coefficient (logD) determination methods were revisited and assessed comprehensively. Classic isocratic and some gradient RPLC methods were conducted and evaluated for neutral, weak acid and basic compounds. Different lipophilicity
Nathan K Deed et al.
Applied microbiology and biotechnology, 89(5), 1537-1549 (2011-01-20)
Two deletion mutants expected to be defective in nitrogen catabolite repression (NCR) were constructed in a commercial wine yeast background M2: a ure2 mutant and a dal80 gzf3 double mutant. Wild-type and both mutant strains were fermented in Sauvignon Blanc

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