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第五章 沉淀滴定法

第五章 沉淀滴定法

—— 以沉淀反应为基础的滴定分析法。. 第五章 沉淀滴定法. 沉淀滴定法. 问 题. 要 求. 较有实际意义的是 银量法 :. Ag + + X - = AgX↓. ( X - : Cl - 、 Br - 、 I - 、 SCN - ). 一、滴定曲线的计算. X -. AgX. Ag +. ep. sp. 5.1 银量法滴定曲线. 终点之前: [X - ]= c 余. sp 和 sp 后: [Ag + ][X - ]= K sp. 二、影响滴定突跃的因素: c 、 K sp. 一、莫尔法.

By eben
(189 views)

第 6 章 沉淀滴定法

第 6 章 沉淀滴定法

第 6 章 沉淀滴定法. ( 课本 p85 ). 6.1. 摩尔法. 6.2 佛尔哈德法. 6.3 法扬斯法. P85. “银量法”——利用生成难溶银盐反应的测定方法。. Ag + + X - = AgX↓ ( X=Cl - 、 Br - 、 I - 、 SCN - ). 据指示剂不同分类:. 滴定剂: AgNO 3 ; 指示剂: K 2 CrO 4. 滴定剂: SCN -. 指示剂: 铁铵矾 NH 4 Fe(SO 4 ) 2 ,( Fe 3+ ). 滴定剂: AgNO 3 ,指示剂:吸附指示剂.如 荧光黄. AgCl.

By eliora
(204 views)

The pH scale

The pH scale

The pH scale. p H. Measure of acidity of a solution 0 to 14 Water is neutral because of equal amounts of hydrogen and hydroxide ions . Acidic solution has excess of hydrogen ions . Alkaline soltion has excess of hydroxide ions. pH means power of hydrogen.

By ginny
(391 views)

Insulin Ester Hydrolysis

Insulin Ester Hydrolysis

Insulin Ester Hydrolysis. Megan Palmer Chee 450. Conversion of Insulin Ester. Following enzymatic cleavage, must de-protect Thr B30 ester into Thr B30 carboxylic acid to convert to final functional human insulin product. Thr 30 )-OR  Thr 30 )-OH. Deesterification Reaction.

By ida
(403 views)

我们身边的物质的酸碱性

我们身边的物质的酸碱性

我们身边的物质的酸碱性. pH. 酸碱度的表示方法 :_____ ____ 1. pH 的通常范围: __________ 2. pH 值与溶液酸碱性的关系: 酸碱度 酸碱性 pH___7 溶液呈 __ 性 pH___7 溶液呈 __ 性 pH___7 溶液呈 __ 性. 认识 pH. 0---14. =. 中. <. 酸. >. 碱. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14. 碱性增强.

By stacey
(153 views)

Early martian surface conditions from thermodynamics of phyllosilicates

Early martian surface conditions from thermodynamics of phyllosilicates

Early martian surface conditions from thermodynamics of phyllosilicates. Workshop on Martian Phyllosilicates : Recorders of Aqueous Processes ? Paris, October 21-23, 2008. Vincent F. Chevrier. Why?. Access to surface / subsurface conditions

By helena
(146 views)

Compost pH

Compost pH

Compost pH. pH. pH decreases as the [H+] increases pH range is 0-14 At 25C the pH of an acidic solution is less than 7.00 At 25C the pH of a basic solution is greater than 7.00 A change in [H+] by a factor of 10 causes the pH to change by 1. pH.

By callia
(217 views)

Ecosystem Simulation

Ecosystem Simulation

Ecosystem Simulation. Global Design Solar-Geo-Physical Process “Nature’s Scale”. Abiological Methods. Chemical Methods Physical Filtration Protein Skimming UV Bacterial Backup. Bacterial ‘Universe’. Waste Treatment Industry Break down organics Nitrification Denitrification

By cheche
(160 views)

Anna-Louise Reysenbach reysenbacha@pdx, alrlab.pdx

Anna-Louise Reysenbach reysenbacha@pdx, alrlab.pdx

Microbiological concepts explained using examples from deep-sea and terrestrial hydrothermal ecosystems. Anna-Louise Reysenbach reysenbacha@pdx.edu, www.alrlab.pdx.edu. Outline. Diversity of microbes Culturing the unculturables-use of 16S rRNA techniques Early evolution of life Astrobiology

By jory
(182 views)

James A. Endrizzi Klaus Breddam S.James Remington Biochemistry 1994, 33,11106-11120

James A. Endrizzi Klaus Breddam S.James Remington Biochemistry 1994, 33,11106-11120

James A. Endrizzi Klaus Breddam S.James Remington Biochemistry 1994, 33,11106-11120. Background. Serine carboxypeptidases are exopeptidases that remove C-terminal amino acids from peptides. Their optimum peptidase activity is at a pH of 4.5-5.5, depending on the enzyme

By yael
(82 views)

Protein Purification Involving a Unique Auto-Cleavage Feature of a Repeated EAAAK Peptide

Protein Purification Involving a Unique Auto-Cleavage Feature of a Repeated EAAAK Peptide

Protein Purification Involving a Unique Auto-Cleavage Feature of a Repeated EAAAK Peptide. Interdisciplinary Research of Enzyme Technology. Protein Production. Structure & Catalytic Mechanism. Bio-conversion. Enzyme Research. Bio-medical application.

By arnie
(156 views)

Atomic Football

Atomic Football

Atomic Football. RULES. Divide into 5 teams. Choose a color of magnetic football player. Everyone starts on the zero yard line. As you get questions right you will advance to the goal line. Choose who will run the play. Write your answers on the dry erase boards. 5 yards.

By nishan
(131 views)

Alkaline pH sensing in Candida albicans

Alkaline pH sensing in Candida albicans

Alkaline pH sensing in Candida albicans. Presented by Julie Kim. Introduction. Why is pH sensing important? -proteins have a pH optima for activity -nutrient uptake -morphogenesis -pathogenesis -growth

By justis
(153 views)

Jeopardy

Jeopardy

Jeopardy. Acid Names. Strong v. Weak. Acid or Base?. Potpourri. Indicators. Q $100. Q $100. Q $100. Q $100. Q $100. Q $200. Q $200. Q $200. Q $200. Q $200. Q $300. Q $300. Q $300. Q $300. Q $300. Q $400. Q $400. Q $400. Q $400. Q $400. Q $500. Q $500. Q $500. Q $500.

By zareh
(75 views)

Abu Alam Ph.D.

Abu Alam Ph.D.

Abu Alam Ph.D. Advisory Committee for Pharmaceutical Science and Clinical Pharmacology July 23, 2008. Locally Acting Oral Drugs. For the Treatment of Gastrointestinal Conditions. Drug Substance. Purity Impurity Molecular Size Solubility (pH 1 to 8) Permeability Degradation

By marged
(121 views)

AQUEOUS SOLUTIONS

AQUEOUS SOLUTIONS

AQUEOUS SOLUTIONS. Solute Concentration Molecular Weight = Sum of weight of all atoms in a molecule (expressed in Daltons). For example: Determine a mole of CH 3 COOH CH 3 COOH 2 C 2 x 12 Da = 24 4 H 4 x 1 Da = 4

By nola
(107 views)

Laura Innes Graduate Students: Eric Kalman, Matt Powell Prof. Zuzanna Siwy

Laura Innes Graduate Students: Eric Kalman, Matt Powell Prof. Zuzanna Siwy

Looking at Single Molecules with Nanopores. Laura Innes Graduate Students: Eric Kalman, Matt Powell Prof. Zuzanna Siwy Department of Physics and Astronomy University of California, Irvine. Why are Nanopores Interesting?.

By nelle-pickett
(167 views)

Does the rate of inhibition of Tetracycline change in different pH environments?

Does the rate of inhibition of Tetracycline change in different pH environments?

Does the rate of inhibition of Tetracycline change in different pH environments?. Daniel Bj ö rkman , Caleb Wilson. Background. Purpose of Question Will it still be effective in biological systems with Different pHs ? Abnormal region of infection? Introduced endogenous pathogen

By robin-sweet
(92 views)

腎臟內科臨床個案探討

腎臟內科臨床個案探討

腎臟內科臨床個案探討. 徐邦治醫師. 介紹. A 47-year-old male patient suffered from conscious disturbance noted this morning and had a history of alcoholism with alcohol drinking > 6 bottles per day about 20 years. He was admitted to 民間戒酒養護所 about two months ago.

By philip-madden
(108 views)

KARYOTYPING

KARYOTYPING

KARYOTYPING. Dr. R.A. Siddique M.V.Sc PhD Scholar National Dairy Research Institute Karnal, (Haryana) 132001 India. CYTOGENETICS.

By renee-acosta
(234 views)

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