ppm到ppb转换计算器
ppm和ppb定义为:
1ppm = 1/10 6 = 10-6
1ppb = 1/10 9 = 10-9
所以
1ppm = 1000ppb
十亿分之一数 xppb 等于百万分之一数 x ppm 乘以 1000:
x ppb = xppm ⋅ 1000
示例:7ppm 等于 7000ppb:
xppb = 7ppm ⋅ 1000 = 7000ppb
ppm 到 ppb 转换表
ppm | ppb |
---|---|
0.001 | 1 |
0.01 | 10 |
0.1 | 100 |
1 | 1000 |
10 | 10000 |
100 | 100000 |
1000 | 1000000 |
10000 | 10000000 |