FastQCFastQC Report
Sun 21 May 2023
EGAF00007837117

Summary

[OK]Basic Statistics

MeasureValue
FilenameEGAF00007837117
File typeConventional base calls
EncodingSanger / Illumina 1.9
Total Sequences84164
Sequences flagged as poor quality0
Sequence length250
%GC52

[OK]Per base sequence quality

Per base quality graph

[WARN]Per tile sequence quality

Per tile quality graph

[OK]Per sequence quality scores

Per Sequence quality graph

[FAIL]Per base sequence content

Per base sequence content

[FAIL]Per sequence GC content

Per sequence GC content graph

[OK]Per base N content

N content graph

[OK]Sequence Length Distribution

Sequence length distribution

[FAIL]Sequence Duplication Levels

Duplication level graph

[FAIL]Overrepresented sequences

SequenceCountPercentagePossible Source
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTTGCTCCCCACGCT37314.4330117389857895No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTAGGGTGCGAGCGTTA20092.387006320992348No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTTGCTACCCACGCT19292.291953804476974No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTAGGTCCCGAGCGTTG19282.2907656480205314No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTAGGTGGCAAGCGTTG18532.2016539137873674No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTAGGGTGCGAGCGTTA15411.830949099377406No Hit
ATTATCAGGCCGGACTACTGGGGTATCTAATCCTGTTTGCTCCCCACGCT14171.683617698778575No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGGGGGGTGCGAGCGTTA14171.683617698778575No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTAGGTCCCGAGCGTTG12891.5315336723539756No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTAGGTGGCAAGCGTTG12241.4543035026852336No Hit
ATTATCAGGCCGGACTACCGGGGTTTCTAATCCTGTTTGCTCCCCACGCT11421.3568746732569743No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTAGGGTGCGAGCGTTA10861.2903379116962121No Hit
ATTATCAGGCCGGACTACTCGGGTTTCTAATCCTGTTTGCTCCCCACGCT10641.2641984696544841No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTAGGTCCCGAGCGTTG10451.2416234969820825No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTAGGTGGCAAGCGTTG9871.172710422508436No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCCGTTCGCTCCCCTGGCT9691.1513236062924765No Hit
ATTATCAGGCCGGACTACGGGGGTTTCTAATCCTGTTTGCTCCCCACGCT9651.146570980466708No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGGGGGGTGCGAGCGTTA9541.1335012594458438No Hit
ATTATCAGGCCGGACTACTAGGGTTTCTAATCCTGTTTGCTCCCCACGCT9201.0931039399268097No Hit
ATTATCAGGCCGGACTACTGGGGTATCTAATCCTGTTTGCTACCCACGCT8601.0218145525402784No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGTAGGGTGCGAGCGTTA8421.000427736324319No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGGGGGGTGCGAGCGTTA8070.9588422603488427No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGGAAGGTCCAGGCGTTA8040.9552777909795162No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTAGGGCGCGAGCGTTG7950.9445843828715366No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGTAGGTCCCGAGCGTTG7660.910127845634713No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGGAAGGTCCAGGCGTTA7150.8495318663561617No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACAGAGGGTGCGAGCGTTA7070.8400266147046244No Hit
ATTATCAGGCCGGACTACAGGGGTTTCTAATCCTGTTTGCTCCCCACGCT6800.8079463903806853No Hit
ATTATCAGGCCGGACTACCGGGGTTTCTAATCCTGTTTGCTACCCACGCT6770.8043819210113587No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGTAGGTGGCAAGCGTTG6650.7901240435340526No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTCGCTCCCCACGCT6600.7841832612518416No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTTGCTCCCCATGCT6350.754479349840787No Hit
ATTATCAGGCCGGACTACTCGGGTTTCTAATCCTGTTTGCTACCCACGCT6200.7366570029941543No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGGAGGGTGCGAGCGTTA5830.6926952141057935No Hit
ATTATCAGGCCGGACTACGGGGGTTTCTAATCCTGTTTGCTACCCACGCT5660.6724965543462763No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACAGAGGGTGCGAGCGTTA5450.6475452687609904No Hit
ATTATCAGGCCGGACTACTAGGGTTTCTAATCCTGTTTGCTACCCACGCT5210.619029513806378No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTAGGGCGCGAGCGTTG5060.6012071669597453No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGGGGGGTGCGAGCGTTA5050.6000190105033031No Hit
ATTATCAGGCCGGACTACGCGGGTTTCTAATCCTGTTTGCTCCCCACGCT4780.5679387861793641No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTAGGGGGCAAGCGTTA4730.5619980038971532No Hit
ATTATCAGGCCGGACTACGAGGGTTTCTAATCCTGTTTGCTCCCCACGCT4550.5406111876811939No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGGAGGATGCGAGCGTTA4430.5263533102038876No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGGAGGGTGCGAGCGTTA4280.5085309633572549No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGGAAGGTCCAGGCGTTA4220.5014020246186018No Hit
ATTATCAGGCCGGACTACGGGGGTATCTAATCCTGTTTGCTCCCCACGCT4170.4954612423363909No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACAGAGGGTGCGAGCGTTA4160.49427308587994867No Hit
ATTATCAGGCCGGACTACCGGGGTATCTAATCCTGTTTGCTCCCCACGCT4130.4907086165106221No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTATGTCACAAGCGTTA4050.4812033648590846No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTATGTCACAAGCGTTA3990.4740744261204315No Hit
ATTATCAGGCCGGACTACTCGGGTATCTAATCCTGTTTGCTCCCCACGCT3930.46694548738177843No Hit
ATTATCAGGCCGGACTACAGGGGTTTCTAATCCTGTTTGCTACCCACGCT3910.464569174468894No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTAGGGCGCGAGCGTTG3870.4598165486431253No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTCGATACCCGCACC3730.4431823582529347No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGGAAGGTCCAGGCGTTA3670.4360534195142816No Hit
ATTATCAGGCCGGACTACTGGGGTATCTAATCCCGTTCGCTCCCCTGGCT3650.43367710660139724No Hit
ATTATCAGGCCGGACTACCAGGGTTTCTAATCCTGTTTGCTCCCCACGCT3620.4301126372320707No Hit
ATTATCAGGCCGGACTACCCGGGTTTCTAATCCTGTTTGCTCCCCACGCT3620.4301126372320707No Hit
ATTATCAGGCCGGACTACGCGGGTTTCTAATCCTGTTTGCTACCCACGCT3480.4134784468418801No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTAGGTGGCGAGCGTTG3350.39803241290813174No Hit
ATTATCAGGCCGGACTACTAGGGTATCTAATCCTGTTTGCTCCCCACGCT3260.3873390048001521No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGGAGGATGCGAGCGTTA3180.3778337531486146No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGTAGGGCGCGAGCGTTG3120.3707048144099615No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGGAAGGTCCGGGCGTTA3090.367140345040635No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTTGATACCCGCACC3020.35882324984553965No Hit
ATTATCAGGCCGGACTACCGGGGTTTCTAATCCCGTTCGCTCCCCTGGCT2870.3410009029989069No Hit
ATTATCAGGCCGGACTACGAGGGTTTCTAATCCTGTTTGCTACCCACGCT2860.3398127465424647No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTAGGGGGCAAGCGTTA2830.33624827717313815No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGGAGGGTGCGAGCGTTA2830.33624827717313815No Hit
ATTATCAGGCCGGACTACAGGGGTATCTAATCCTGTTTGCTCCCCACGCT2730.3243667126087163No Hit
ATTATCAGGCCGGACTACTCGGGTTTCTAATCCCGTTCGCTCCCCTGGCT2670.3172377738700632No Hit
ATTATCAGGCCGGACTACGGGGGTTTCTAATCCCGTTCGCTCCCCTGGCT2640.31367330450073666No Hit
ATTATCAGGCCGGACTACTGGGGTATCTAATCCTGTTCGCTCCCCACGCT2630.31248514804429445No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACAGAGGGTGCGAGCGTTA2610.31010883513141013No Hit
ATTATCAGGCCGGACTACTCGGGTATCTAATCCTGTTTGCTACCCACGCT2570.3053562093056414No Hit
ATTATCAGGCCGGACTACTGGGGTATCTAATCCTGTTTGCTCCCCATGCT2570.3053562093056414No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGGAGGATGCGAGCGTTA2560.3041680528491992No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTAGGGGGCAAGCGTTA2510.2982272705669883No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGGAAGGTCCGGGCGTTA2510.2982272705669883No Hit
ATTATCAGGCCGGACTACGGGGGTATCTAATCCTGTTTGCTACCCACGCT2510.2982272705669883No Hit
ATTATCAGGCCGGACTACCGGGGTATCTAATCCTGTTTGCTACCCACGCT2510.2982272705669883No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTAGGTCCCGAGCGTTA2470.29347464474121954No Hit
ATTATCAGGCCGGACTACTAGGGTTTCTAATCCCGTTCGCTCCCCTGGCT2460.2922864882847773No Hit
ATTATCAGGCCGGACTACAAGGGTTTCTAATCCTGTTTGCTCCCCACGCT2410.2863457060025664No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGGAGGGTGCGAGCGTTA2350.2792167672639133No Hit
ATTATCAGGCCGGACTACACGGGTTTCTAATCCTGTTTGCTCCCCACGCT2320.27565229789458673No Hit
ATTATCAGGCCGGACTACCAGGGTTTCTAATCCTGTTTGCTACCCACGCT2290.2720878285252602No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTAGGTGGCGAGCGTTG2290.2720878285252602No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTATGTCACAAGCGTTA2200.26139442041728056No Hit
ATTATCAGGCCGGACTACGAGGGTATCTAATCCTGTTTGCTCCCCACGCT2150.2554536381350696No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTAGGTGGCGAGCGTTA2030.2411957606577634No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGGAGGGTGCAAGCGTTA2010.23881944774487904No Hit
ATTATCAGGCCGGACTACCCGGGTTTCTAATCCTGTTTGCTACCCACGCT1980.2352549783755525No Hit
ATTATCAGGCCGGACTACGGGGGTTTCTAATCCTGTTCGCTCCCCACGCT1930.22931419609334155No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGGAGGATGCGAGCGTTA1910.2269378831804572No Hit
ATTATCAGGCCGGACTACTAGGGTATCTAATCCTGTTTGCTACCCACGCT1910.2269378831804572No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGTATGTCACAAGCGTTA1890.2245615702675728No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGGAAGGTTCGGGCGTTA1820.21624447507247752No Hit
ATTATCAGGCCGGACTACACGGGTTTCTAATCCTGTTTGCTACCCACGCT1800.21386816215959317No Hit
ATTATCAGGCCGGACTACAGGGGTTTCTAATCCCGTTCGCTCCCCTGGCT1770.21030369279026662No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTCGCTCCCCATGCT1760.20911553633382443No Hit
ATTATCAGGCCGGACTACCGGGGTTTCTAATCCTGTTTGCTCCCCATGCT1730.20555106696449787No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGGAAGGTCCGGGCGTTA1680.19961028468228698No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGGAAGGTCCGGGCGTTA1660.19723397176940258No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGTAGGGGGCAAGCGTTA1660.19723397176940258No Hit
ATTATCAGGCCGGACTACGCGGGTATCTAATCCTGTTTGCTCCCCACGCT1650.1960458153129604No Hit
ATTATCAGGCCGGACTACAGGGGTATCTAATCCTGTTTGCTACCCACGCT1650.1960458153129604No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTTGATCCCCACGCT1650.1960458153129604No Hit
ATTATCAGGCCGGACTACTCGGGTTTCTAATCCTGTTTGCTCCCCATGCT1650.1960458153129604No Hit
ATTATCAGGCCGGACTACTAGGGTTTCTAATCCTGTTTGCTCCCCATGCT1640.19485765885651823No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTATGTCACGAGCGTTA1620.19248134594363386No Hit
ATTATCAGGCCGGACTACTAGGGTTTCTAATCCTGTTCGCTCCCCACGCT1610.19129318948719168No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGGAGGGTGCAAGCGTTA1580.18772872011786512No Hit
ATTATCAGGCCGGACTACTCGGGTTTCTAATCCTGTTCGCTCCCCACGCT1540.18297609429209638No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTAGGTCCCGAGCGTTA1500.17822346846632767No Hit
ATTATCAGGCCGGACTACTGGGGTATCTAATCCTGTTCGATACCCGCACC1470.17465899909700108No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTATGTCACGAGCGTTA1440.17109452972767455No Hit
ATTATCAGGCCGGACTACGGGGGTTTCTAATCCTGTTCGATACCCGCACC1430.16990637327123234No Hit
ATTATCAGGCCGGACTACCGGGGTTTCTAATCCTGTTCGCTCCCCACGCT1420.16871821681479018No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTATGTCGCAAGCGTTA1420.16871821681479018No Hit
ATTATCAGGCCGGACTACGGGGGTTTCTAATCCTGTTTGCTCCCCATGCT1390.16515374744546363No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTAGGTGGCGAGCGTTA1390.16515374744546363No Hit
ATTATCAGGCCGGACTACGCGGGTATCTAATCCTGTTTGCTACCCACGCT1360.16158927807613704No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTAGGTGGCGAGCGTTG1360.16158927807613704No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTAGGTCCCGAGCGTTA1360.16158927807613704No Hit
ATTATCAGGCCGGACTACCGGGGTATCTAATCCCGTTCGCTCCCCTGGCT1350.1604011216196949No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTATTTGCTCCCCACGCT1320.15683665225036833No Hit
ATTATCAGGCCGGACTACGAGGGTATCTAATCCTGTTTGCTACCCACGCT1320.15683665225036833No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTTGATACCCACGCT1320.15683665225036833No Hit
ATTATCAGGCCGGACTACAGGGGTTTCTAATCCTGTTCGCTCCCCACGCT1320.15683665225036833No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGTATGTCGCAAGCGTTA1310.15564849579392614No Hit
ATTATCAGGCCGGACTACAAGGGTTTCTAATCCTGTTTGCTACCCACGCT1310.15564849579392614No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGGAAGGTTCGGGCGTTA1270.1508958699681574No Hit
ATTATCAGGCCGGACTACAGGGGTTTCTAATCCTGTTTGCTCCCCATGCT1230.14614324414238866No Hit
ATTATCAGGCCGGACTACGCGGGTTTCTAATCCCGTTCGCTCCCCTGGCT1210.1437669312295043No Hit
ATTATCAGGCCGGACTACCAGGGTATCTAATCCTGTTTGCTCCCCACGCT1210.1437669312295043No Hit
ATTATCAGGCCGGACTACTCGGGTTTCTAATCCTGTTCGATACCCGCACC1200.1425787747730621No Hit
ATTATCAGGCCGGACTACCGGGGTTTCTAATCCTGTTCGATACCCGCACC1190.14139061831661995No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTTGCTCCCCTAGCT1160.13782614894729336No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGTAGGTGGCGAGCGTTG1150.1366379924908512No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTTGATACCCACGCC1140.135449836034409No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTCGATACCCGCACT1140.135449836034409No Hit
ATTATCAGGCCGGACTACGAGGGTTTCTAATCCCGTTCGCTCCCCTGGCT1140.135449836034409No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGGAGGGTGCAAGCGTTA1130.13426167957796684No Hit
TAGCATCGTGTGTGTCAGCAGCCGCGGTAATACGGAGGATACGAGCGTTA1120.13307352312152465No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGGAAGGTTCGGGCGTTA1120.13307352312152465No Hit
ATTATCAGGCCGGACTACGGGGGTTTCTAATCCTGTTTGATACCCGCACC1110.13188536666508247No Hit
ATTATCAGGCCGGACTACCGGGGTTTCTAATCCTGTTTGATACCCGCACC1110.13188536666508247No Hit
ATTATCAGGCCGGACTACACGGGTATCTAATCCTGTTTGCTCCCCACGCT1070.12713274083931372No Hit
ATTATCAGGCCGGACTACTGGGGTATCTAATCCTGTTTGATACCCGCACC1050.12475642792642935No Hit
ATTATCAGGCCGGACTACCCGGGTATCTAATCCTGTTTGCTCCCCACGCT1050.12475642792642935No Hit
ATTATCAGGCCGGACTACTGGGGTTTCTAATCCTGTTTGCTCCCCACGCC1050.12475642792642935No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTAGGTGGCGAGCGTTA1030.122380115013545No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTAGGGGGCGAGCGTTA1030.122380115013545No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGGAGGATACGAGCGTTA1030.122380115013545No Hit
ATTATCAGGCCGGACTACTAGGGTTTCTAATCCTGTTCGATACCCGCACC1020.1211919585571028No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGTATGTCACGAGCGTTA990.11762748918777625No Hit
ATTATCAGGCCGGACTACTCGGGTATCTAATCCCGTTCGCTCCCCTGGCT980.11643933273133406No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTATGTCGCAAGCGTTA970.11525117627489188No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTATGTCGCGAGCGTTA940.11168670690556533No Hit
ATTATCAGGCCGGACTACGCGGGTTTCTAATCCTGTTCGCTCCCCACGCT940.11168670690556533No Hit
ATTATCAGGCCGGACTACTAGGGTATCTAATCCCGTTCGCTCCCCTGGCT890.10574592462335439No Hit
TAGCATCGTGTGTGCCAGCAGCCGCGGTAATACGGAGGATACGAGCGTTA870.10336961171047003No Hit
ATTATCAGGCCGGACTACTCGGGTTTCTAATCCTGTTTGATACCCGCACC860.10218145525402786No Hit
TAGCATCGTGTGTGCCAGCCGCCGCGGTAATACGTATGTCACGAGCGTTA860.10218145525402786No Hit
ATTATCAGGCCGGACTACGGGGGTATCTAATCCCGTTCGCTCCCCTGGCT860.10218145525402786No Hit
TAGCATCGTGTGTGTCAGCCGCCGCGGTAATACGTAGGGTCCAAGCGTTA850.10099329879758566No Hit

[OK]Adapter Content

Adapter graph