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Free Amino Nitrogen Assay Kit

产品编号:4118811
规格:Sufficient for 100 colorimetric tests
包装规格:1 kit
产品类别:进口试剂
品牌:Sigma-Aldrich
优惠价:立即咨询
产品价格
产品编号包装单位单价(元)国内现货国外库存询价单
41188111 kit3180
产品性质
Quality Level【质量水平】
100
application(s)
food and beverages
Detection Method
colorimetric
suitability【适用性】
The kit is suitable for Free Amino Nitrogen determination in foods and beverages (e.g. beer, wort, wine, must, etc.).
基本信息
General description【一般描述】
Free Amino Nitrogen (FAN) is the main source of nitrogen necessary for yeast growth and proper fermentation. Fermentation of beer and wine is processed by yeast, which synthesize proteins using available amino acids. When making beer and wine, free amino nitrogen is extracted from amino acids during the formation of the wort or must.
Features and Benefits【特点和优势】
  • Linear detection range (5 μL sample): 0.2 to 10 mM for 10 min reaction.
  • Compatible with high-throughput handling systems.
Principle【原理】
The Free Amino Nitrogen Assay Kit measures alpha amino acids, ammonia, and end group amino nitrogens. The ninhydrin based reaction is a superior method for determining only alpha amino acids and ammonia compared to the traditional Kjeldahl, which measures nitrogen from all sources. The stable ninhydrin reagent provides a simple and accurate method for determining Free Amino Nitrogen concentrations.
安全信息
Pictograms【象形图】
GHS05,GHS07,GHS08,GHS09
Signal word【警示用语:】
Danger
Hazard Statements
H290 - H302 - H314 - H317 - H373 - H411
Precautionary Statements
P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 - P314
Hazard Classifications【危险分类】
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 2 Oral
Target Organs【靶器官】
Kidney
Storage Class Code【储存分类代码】
8A - Combustible, corrosive hazardous materials
WGK
WGK 3
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