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化学沉薄铜 SBT-207A/B

产品简介
I. Product Introduction

  SBT-207A/B/C/M为常温沉薄铜溶液,控制维护方便,消耗量少。
  SBT-207A/B/C/M is a kind of thin electro-less plating copper solution under normal temperature, which is convenient to maintain, with less consumption.

装置
II. Device
载体/工具
Carrier/Tool
材质要求
Material Requirements

Tank
聚氯乙烯、聚丙烯、聚四氟乙烯
Polyethylene, polypropylene, teflon
鼓气装置
Blow device
需要
Required
过滤泵
Filter pump
5-10微米过滤能力的聚丙烯滤芯
Polypropylene filer element with filter capacity of 5-10 μm

三、100升工作液配制
III. Preparation of 100 liters’ working solution
名称
Product Name
数量
Quantity
软化水
Softened water
80L
SBT-207M 7-9L
SBT-207A 5-7L
SBT-207B 5-7L
SBT-207C 1.3-1.7L

四、工艺条件
IV.Technical Conditions
组份/参数
Component/Parameter
最佳值/工作范围/要求
Optimal value /work scope/requirement
工作温度
Working temperature
25-35℃
处理时间
Processing time
15分钟
15min
搅拌方式
Mixing means
连 连续空气鼓泡
Continuous air bubling
循环过滤
Circulation and filtration
可连续进行或间隔进行
Continuous or intermittent

五、槽液维护(以100升槽计)
V. Maintenance of Solution (Calculated with 100L tank)

1、成份指标
1. Component index
成分
Component
工作范围
Working scope
最佳值
Optimal value
铜(克/升)
Cu (k/l)
1.5-2.0 1.8
氢氧化钠(克/升)
NaOH (k/l)
10-14 12
甲醛(克/升)
Methanal (k/l)
4-9 6

2、工作液处理100ft2板,需补加SBT-207A 1.2L,SBT-207B 1.2L。
2. 1.2L SBT-207A and 1.2L SBT-207B shall be added each time when 100 ft2 plate is processed with the working solution.
3、当室温低于25℃时可每天适量补加甲醛100-200ml,也可根据分析结果补加。
3. When the ambient temperature is lower than 25℃, 100-200ml methanal shall be added every day, or add appropriate amount of methanal according to the results of analysis.
4、存放需保持空气鼓气。
4. Keep air blowing for storage.
5、长期停工前需用稀硫酸将工作液PH值降至8-10。
5. Before long-term shut down, the PH of working solution shall be lowered to 8-10 with dilute sulphuric acid.
6、当镀液密度达至1.10克/立方厘米,必须放掉一半工作液,并配制新溶液。
6. When the density of the plating solution reaches 1.10g/cm3, half of the working solution shall be drained out, and new solution shall be prepared.

六、分析方法
VI. Analysis Methods

(一) Cu(铜)
(I) Cu

1. 步骤
1. Steps

(1). 取25mL Sample,加40mL(20%)H2SO4
(1) Take 25mL Sample, add 40mL(20%)H2SO4
(2). 加0.5g氨基磺酸加热煮沸1min,冷却 5 分钟
(2) Add 0.5g sulfamic acid and heat the solution to boiling, keep it boiling for 1min, and cool down for 5min.
(3). 加2g KI搅拌3分钟
(3) Add 2g KI, mix for 3 min.
(4). 以0.1N Na2S2O3 滴定至淡黄色
(4) Titrate the solution to light yellow with 0.1N Na2S2O3
(5). 加5mL淀粉(Starch)指示剂
(5) Add 5mL Starch indicator
(6). 加20mL 10% KSCN
(6) Add 20mL of 10% KSCN
(7). 继续以0.1N Na2S2O3 滴定至乳白色
(7) Continue to titrate the solution to ivory with 0.1N Na2S2O3

2. 计算
2. Calculation

Cu(g/L) = N of Na2S2O3×mLs of Na2S2O3×63.54÷25
例 eg. : 2.9g/L = 0.1N×11.4mL×63.54÷25
3. 分析补加公式
3. Adding formula analysis
补加物料207A/B(L):(标准值—分析值)×槽积/ 29
Added material 207A/B(L): (standard value-analysis value) ×volume of the tank/29
(二) NaOH&HCHO分析法
(II) NaOH&HCHO analysis method

步骤
1. Steps

Note : 1M Na2SO3须先利用0.1N NaOH 调至pH=10
Note : The PH of 1M Na2SO3 shall be adjusted to 10 with 0.1N NaOH
(1). 取5mL Sample于烧杯中加100L去离子水
(1) Take 5mL Sample into a beaker, and add 100L deionized water
(2). 冲洗电极放入Sample
(2) Wash the electrode, and put them into the Sample
(3). 以0.1N HCl标准液滴定至 pH10.2 ---- A mLs (NaOH含量)
(3) Titrate the solution to pH10.2 ---- A mLs (NaOH content) with 0.1N HCl standard solution
(4). 继续以0.1N HCl调至pH10
(4) Continue to titrate with 0.1N HCl until the PH is 10
(5). 加入25mL 1M Na2SO3,搅拌5min
(5) Add 25mL 1M Na2SO3, mix for 5min
(6). 以0.1N HCl标准液滴定至pH10 ---- B mLs (HCHO含量)
(6) Titrate the solution to pH10 ----B mLs (HCHO content) with 0.1N HCl standard solution

2. 计算
2. Calculation

(1) NaOH (g/L) = N of HCl×A mLs of HCl ×40÷5
例 eg : 12(g/L) = 0.1N×15mL×40÷5
分析补加公式:补加物料207B(L) :(标准值—分析值)×槽积/340
Adding formula analysis: Added material 207B(L): (standard value-analysis value) ×volume of the tank/340
(2) HCHO (g/L) = B mLs of HCl×N of HCl×30÷5
例 eg : 5(g/L) = 0.1N×8.3mL×30÷5
析补加公式: 补加物料207C(L) :(标准值—分析值)×槽积 /400 Adding formula analysis: Added material 207C(L): (standard value-analysis value) ×volume of the tank/400

七、废水处理
VII. Wastwater Treatment

   加入1%体积比的甲醛,15克/L的硫酸亚铁,加热到70℃直到溶液分解,使铜沉淀出来为止。
  Add methanal with 1% volume ratio, 15g/L FeSO4, heat to 70℃, until the solution is pyrolyzed, and Cu deposites.


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