80 Strips PH Acid Range 6.9-8.4/9.0-14/8.2-10/0.5-5.0/6.4-8.0/3.8-5.4 PH paper Water Litmus Alkaline Paper Indicating Test Kit

-10%

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0

0

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2

2

-6%

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0

1

-40%

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1

1

-4%

Incomplete data

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0

0

(10 pieces/lot) accuracy: ph 0.2-0.3, ph range: 3.8-5.4,accurate ph test paper,80 strips short-range ph paper 3.8-5.4

0

0

-26%

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0

0

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1

0

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0

-6%

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0

-9%

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2

1

-7%

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1

0

-9%

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0

0

-10%

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0

0

(20 pieces/lot)accuracy: ph 0.2-0.3, ph range: 6.4-8.0,accurate ph test paper,80 strips short-range ph paper 6.4-8.0

0

0

-0.2%

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0

0

-30%

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2

0

-4%

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1

0

-3%

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2

0

-11%

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1

1

5.0

-4%

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0

0

-6%

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0

0

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0

0

-6%

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1

0

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1

2

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1

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0

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2

1

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0

-5%

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0

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2

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0

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1

-5%

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1

0

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5

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0

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2

0

-21%

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1

4.0

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0

0

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3

1

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1

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5.0

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0

0

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0

-12%

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0

0

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1

11

5.0